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Requirements:• Proven ability to develop comprehensive protocols using Solidity (+Yul)• Minimum of 9 months of hands-on experience in writing smart contracts for the EVM ecosystem• At least 4 years of programming experience across various languages• Excellent communication skills for effective collaboration with team members• Strong passion for DeFi, financial derivatives, and/or NFTsPreferred Qualifications:• Experience in a cryptocurrency-focused company• Background in mathematics and/or security research• Familiarity with Typescript• Interest in Capture the Flag (CTF) competitions
About the job
About Waterfall:
Waterfall is an innovative trading protocol designed for rare NFTs and collectible digital art, featuring real-time on-chain pricing. Our mission is to enhance the liquidity and composability of NFTs by pioneering new infrastructure and auction mechanisms. Our unique concept allows users to trade shards to forecast NFT prices, facilitating immediate price discovery for any asset listed.
Supported by prominent investors like Electric Capital and Pantera Capital, we maintain a dynamic and agile team culture that prioritizes inclusivity. We are committed to making Waterfall not just a platform of choice, but a great place to advance your career.
Waterfall is at the forefront of transforming the NFT landscape, providing innovative tools and mechanisms for trading digital assets. Our commitment to inclusivity and impact makes us a standout choice for your career in the blockchain space.
About Waterfall:Waterfall is an innovative trading protocol designed for rare NFTs and collectible digital art, featuring real-time on-chain pricing. Our mission is to enhance the liquidity and composability of NFTs by pioneering new infrastructure and auction mechanisms. Our unique concept allows users to trade shards to forecast NFT prices, facilitating immediate price discovery for any asset listed.Supported by prominent investors like Electric Capital and Pantera Capital, we maintain a dynamic and agile team culture that prioritizes inclusivity. We are committed to making Waterfall not just a platform of choice, but a great place to advance your career.Stay connected with us by following our social media channels and visiting our website!
Ellipsis Labs is a pioneering and profitable startup based in New York, dedicated to creating innovative products and infrastructure in the realm of decentralized finance.As the developer of Phoenix, the leading order book spot exchange on the Solana blockchain, we have established ourselves as a top 10 decentralized exchange (DEX), boasting over $70 billion in transaction volume since our launch in 2023. Furthermore, we are recognized as one of the most active and influential on-chain market makers in the cryptocurrency space.All roles are based in the Ellipsis Labs office in New York City.
About RainRain is pioneering the future of global payments through innovative solutions. Our dynamic team is composed of experienced founders and passionate builders dedicated to making stablecoins practical for real-world applications, including card transactions, international transfers, B2B transactions, remittances, and more. We collaborate with fintech companies, neobanks, and financial institutions to create inclusive, efficient, and globally accessible solutions. Join us and be part of a fast-growing company backed by leading investors in the fintech and crypto sectors, such as Sapphire Ventures, Norwest, and Galaxy Ventures. If you are curious, daring, and eager to contribute to a borderless financial landscape, we want to connect with you.Our Company CultureAt Rain, we embrace a flat organizational structure that encourages growth and exploration. Every team member, regardless of their position, has the autonomy to innovate and influence the company's vision and roadmap.Role OverviewAs a Software Engineer focused on EVM, you will design, develop, and maintain EVM smart contracts and associated backend services. You will also contribute to our shared infrastructure across EVM, Solana, and Stellar networks. Our platform is designed to handle high transaction volumes and complex on-chain data, ensuring scalability and reliability from the outset.ResponsibilitiesLead the end-to-end development of EVM smart contracts, from design to deployment and ongoing maintenance.Develop robust and scalable backend services that interface with EVM, Solana, and Stellar networks.Enhance our on-chain infrastructure to accommodate millions of users worldwide, facilitating transaction processing, data ingestion, and real-time capabilities.Contribute significantly to the technical and product roadmap.Make critical architectural decisions in a rapidly changing environment.Quickly and iteratively deliver new features to our customers.QualificationsExtensive experience with the EVM ecosystem, including smart contract development and best practices.Proficient in Solidity programming language.Familiarity with development frameworks such as Hardhat or Foundry.
Category Labs (formerly known as Monad Labs) is an innovative team of systems engineers and researchers dedicated to advancing decentralized technology. Our mission is to create groundbreaking improvements over existing blockchain solutions. Following a successful $225 million Series A funding round led by Paradigm, we are excited to expand our talented team.The RoleWe are seeking a Smart Contract Engineer to join our core engineering team, focusing on application layer development. Your responsibilities will encompass collaborating with external application and infrastructure teams and designing and implementing new primitives enabled by our high-performance Ethereum Virtual Machine (EVM) client. You will thrive in a dynamic startup atmosphere as part of a small, efficient team.What You Will DoDevelop smart contracts optimized for the resources and throughput provided by our Monad client.Assess and address the needs of the app developer ecosystem through close collaboration with the core engineering team.Engage directly with external application and infrastructure teams to provide insights and solutions drawn from your in-depth understanding of their domains and the Category Labs client.Who You AreYou possess at least 4 years of software engineering experience, including a minimum of 3 years focused on writing smart contracts in Solidity.You bring prior experience in blockchain engineering, specifically within Layer-1, Layer-2, or Infrastructure projects (such as Oracles, Bridges, Indexers, RPC Providers, Wallets, or other high-performance applications).You are proficient with tools such as Foundry and Hardhat, and you have a strong understanding of security vulnerabilities at the application layer.Your background includes backend engineering experience using low-level programming languages like C, C++, or Rust.You have successfully built significant projects from scratch, ideally with a user base (the more, the better).You are an excellent communicator, enthusiastic about engaging in technical discussions, reviews, and documentation.You embody qualities that reflect our engineering team's values, including a practical approach to problem-solving and strong design skills.
Join Omen as a Blockchain EngineerAt Omen, we are revolutionizing the trading landscape by creating a unified platform that allows users to trade various asset types with ultimate flexibility and efficiency.Picture a world where you can seamlessly buy spot equities and cryptocurrencies, trade on leveraged positions, short companies, or hold tokenized shares in diverse income-generating assets—all managed from a single interface without the hassle of multiple brokers or protocols.We envision a future for retail investors that mirrors the composability and power of institutional trading, ensuring speed, precision, and security.Our dynamic team consists of 8 dedicated engineers collaborating in our full-floor office located in the vibrant heart of Midtown NYC. Our collective expertise includes trading systems, startup innovation, application development, and a shared passion for our mission.Supported by leading seed investors, we are committed to relentless progress towards our ambitious goals.Role Overview:We are developing a cutting-edge perpetual derivatives platform featuring a high-performance off-chain trading engine complemented by on-chain settlement and enforcement. As a Blockchain Engineer, you will be an integral part of our blockchain team, creating the smart contract infrastructure that ensures the safety, accuracy, and enforceability of off-chain trades.Your collaboration with the trading systems team will be crucial in establishing clear and precise settlement semantics between off-chain states and on-chain finality.
About Waterfall:At Waterfall, we are pioneering a revolutionary trading protocol designed for rare NFTs and collectible digital art, featuring live on-chain pricing. Our mission is to enhance the liquidity and composability of NFTs by creating innovative infrastructure and auction mechanisms. We have conceptualized a unique trading system allowing users to trade shards to forecast NFT prices, enabling rapid price discovery for any listed asset.Supported by Electric Capital and Pantera Capital, our dynamic and agile team is committed to fostering an inclusive culture. We aim not only to make a significant impact in the NFT space but also to ensure that Waterfall is the ideal workplace for your future aspirations. To stay informed and connected, be sure to follow our socials and explore our website!
Full-time|Hybrid|In-Person or Remote | NYC Preferred
About UsPaxos Labs is at the forefront of developing enterprise infrastructure that drives the next generation of trusted on-chain financial products. We collaborate with major financial institutions worldwide to create transparent and verifiable on-chain solutions tailored for everyday financial activities. If you are passionate about making decentralized finance (DeFi) and digital assets accessible to a broader audience, we invite you to explore a career with us at Paxos Labs.We are currently seeking a Smart Contract Engineer to enhance Paxos Labs' DeFi protocol infrastructure.What We're Looking ForOur smart contract team comprises skilled developers who have successfully delivered multiple decentralized applications ranging from lending markets to vaults. We seek a proactive developer who can not only craft code but also research and apply a profound understanding of DeFi to develop mission-critical software for the world's largest enterprises.Key Interests Include:DeFi Yield StrategiesTokenizationDecentralized LendingUnder/Un-Collateralized LendingKey ResponsibilitiesInvestigate and design innovative protocol mechanisms related to vaults, lending, and other DeFi primitives.Guide protocol design decisions, weighing trade-offs between trust assumptions and efficiency.Create Solidity contracts and develop comprehensive test suites for our protocols.Uphold stringent organizational and security standards for our open-source codebase.
Ellipsis Labs is a thriving and profitable startup based in New York City, dedicated to creating innovative products and infrastructure in the realm of decentralized finance.We are the proud developers of Phoenix, the foremost order book spot exchange on the Solana blockchain, and a top 10 decentralized exchange (DEX) boasting over $70 billion in volume since our inception in 2023. Moreover, we are recognized as one of the most active and reputable on-chain market makers in the cryptocurrency sector.All positions are based at the Ellipsis Labs office in New York City.The OpportunityEllipsis Labs is on the lookout for a Senior Smart Contract Engineer specializing in SVM to enhance our dynamic team. In this pivotal role, you will:Design, develop, and maintain essential smart contracts for the SVM, along with implementing the necessary monitoring systems.
About Us:Ether.fi is an innovative and rapidly expanding crypto-native financial platform dedicated to empowering users with complete control over their wealth. We simplify the processes of saving, earning, and spending cryptocurrency. As a frontrunner in the decentralized finance (DeFi) sector, ether.fi provides a comprehensive, non-custodial suite of products—Stake, Liquid, and Cash—that connect cryptocurrency utility with real-world convenience.With over $8 billion in assets under management and a dynamic team of over 25 professionals, we are constructing a sustainable, secure, and scalable financial infrastructure designed to onboard the next billion cryptocurrency users. Our offerings, which include liquid staking, automated yield strategies, and crypto-native payment solutions such as credit cards, create a holistic decentralized banking experience.As we continue to grow, we are on the lookout for talented, mission-driven individuals eager to help shape the future of finance.Discover more at ether.fi.
About Waterfall:At Waterfall, we are revolutionizing the way rare NFTs and collectible digital art are traded through our innovative trading protocol that features live on-chain pricing. Our mission is to enhance the liquidity and composability of NFTs by building cutting-edge infrastructure and auction systems. We have pioneered a unique concept for users to trade shards, allowing for accurate predictions of NFT prices, thus facilitating instant price discovery for any listed asset.With backing from Electric Capital and Pantera Capital, our small but agile team is dedicated to fostering an inclusive culture. We aim not just to make an impact in the NFT space but also to create an environment that makes Waterfall the best choice for your career and future aspirations.Stay in the loop by following our social media channels and visiting our official website!
Contract|$65K/yr - $85K/yr|On-site|New York, United States
Company Overview:Compass Pathways plc (Nasdaq: CMPS) is a pioneering biotechnology firm focused on advancing patient access to groundbreaking innovations in mental health. Headquartered in London, UK, with a significant presence in New York City, we aim to develop transformative treatments that enhance the lives of individuals facing mental health challenges, particularly those unresponsive to existing therapies.We are at the forefront of a new approach to mental health treatment, emphasizing rapid and lasting responses through our investigational COMP360 synthetic psilocybin therapy, which is poised to be a first-in-class solution. This therapy has been granted Breakthrough Therapy designation by the US FDA and has received Innovative Licensing and Access Pathway designation in the UK for treatment-resistant depression (TRD), addressing a critical unmet need in mental health care.As we advance through phase 3 trials for TRD and have successfully completed phase 2 studies for both post-traumatic stress disorder (PTSD) and anorexia nervosa, we are preparing for further late-stage research in PTSD. Our vision encapsulates a world where mental well-being extends beyond the mere absence of illness, enabling individuals to thrive.Job Overview:The IT Support Engineer will play a critical role in providing technical assistance to internal users within the organization. This position involves supporting audio-visual and IT-related setups and resolving various technical issues to ensure seamless operations.
Role overview The Chief Contracting Officer (ACCO) leads the City of New York’s contracting operations, shaping how public procurement serves the city. This executive role manages the entire contracting process, from initial planning through to final execution. What you will do Direct all contracting activities and manage related workflows Maintain compliance with legal standards and city policies Advance procurement practices that are both effective and efficient Support innovative solutions to meet the diverse needs of New York’s communities Location This position is based in New York, NY.
About 10a Labs: At 10a Labs, we are the trusted safety and threat-intelligence layer for leading AI innovators, Fortune 10 firms, and global technology platforms. Our expertise in adversarial red teaming, model evaluations, and intelligence collection empowers engineering, safety, and security teams to proactively counter evolving threats and deploy AI technologies securely.About the Role: We are looking for an AI Engineer for a four-month contract, with the possibility of extension, to collaborate with internal teams and engineers in crafting innovative AI solutions. In this role, you will develop practical systems that utilize advanced language models to address real-world challenges.This position combines applied AI knowledge, strong engineering skills, and innovative problem-solving. You will rapidly prototype, iterate, and convert emerging model capabilities into dependable, production-ready systems.Your Responsibilities:Design and develop AI-driven systems using AI APIs in inventive and efficient ways.Create prototypes and production workflows utilizing language models for tasks such as classification, evaluation, and synthetic data generation.Integrate AI APIs, vector stores, and necessary infrastructure to support scalable applications.Experiment with and assess both hosted and open-source models as appropriate.Collaborate with product managers, analysts, and technical writers to distill complex systems into clear requirements and external documentation.Offer technical insights to product and engineering teams to enhance system quality and performance.We Are Looking For Candidates Who:Have experience in AI engineering, software development, or applied machine learning roles.Are proficient with modern coding copilots and model-assisted development tools (e.g., Claude Code, Codex, or similar).Possess hands-on experience with model provider APIs.Are resourceful, creative, and capable of quick iteration in complex problem areas.Work independently with strong problem-solving abilities while managing multiple projects.Are collaborative, detail-oriented, and thrive in dynamic, high-impact settings.Have experience in handling end-to-end ownership of intricate technical challenges.
Join Our Team at GovSignalsAt GovSignals, we are revolutionizing the landscape of government contracting with innovative AI-powered solutions. We’re making waves in a multi-billion dollar industry, enabling private-sector technologies to secure government contracts more efficiently than ever, bolstering national security while stimulating economic growth.Our cutting-edge government contracting AI platform is the most advanced available today. Catering to everyone from small businesses to Fortune 500 companies, our platform enhances the opportunities contractors can explore, allowing them to craft fully compliant, successful proposals in mere hours instead of months. As one of the largest aggregators of U.S. government data, we lead the pack in setting trends.The Opportunity: Product Engineer (Based in NYC)As a Product Engineer, you will swiftly strategize, construct, and refine essential customer-facing features. Merging structured thinking with rapid execution, you will utilize TypeScript, Postgres, and Cloudflare Workers to provide seamless user experiences. Your responsibilities will include planning new product flows, diagnosing customer issues in real-time, and deploying polished updates consistently. Leveraging AI coding tools like Cursor, you'll enhance delivery speed and maintain high code quality even amidst ambiguous requirements. We expect you to prioritize customer needs and balance immediate product enhancements with long-term growth objectives.Main ResponsibilitiesOwn high-impact product areas and deliver improvements on a consistent schedule, collaborating with customer success teams to focus on high-leverage initiatives.Quickly iterate on UI, UX, and core application components to ensure a fluid customer journey.Translate ambiguous objectives into actionable plans, identify necessary data for success, and assess outcomes.Develop and maintain TypeScript codebases that work seamlessly with Postgres, authentication, and edge logic on Cloudflare Workers.Utilize AI pair programming tools to enhance productivity and uphold best practices in testing, performance, and security.Collaborate with design, product, and platform teams to think innovatively, prioritize effectively, and execute rapidly.Monitor production metrics, resolve issues, and implement fixes that preserve user trust and satisfaction.QualificationsA minimum of two years of full-stack engineering experience or a related field, demonstrating a proven track record of delivering high-quality products.Proficiency in TypeScript, experience with Postgres, and familiarity with Cloudflare Workers.Strong analytical skills with the ability to transform complex problems into clear, actionable steps.Experience in collaborating with cross-functional teams, including design and product management.Ability to thrive in a fast-paced environment, demonstrating agility in both execution and strategic thinking.
About RainAt Rain, we're revolutionizing the payments landscape by making next-generation payment solutions accessible worldwide. Our dynamic team consists of passionate innovators and experienced founders dedicated to transforming the financial ecosystem. We enable the real-world application of stablecoins through our robust infrastructure that powers card transactions, cross-border payments, B2B purchases, remittances, and more. By collaborating with fintechs, neobanks, and financial institutions, we launch solutions that are global, inclusive, and efficient. Join us at this hypergrowth company backed by top-tier investors in fintech, crypto, and SaaS including Sapphire Ventures, Norwest, Galaxy Ventures, Lightspeed, Khosla, and others. If you're curious, bold, and eager to help shape a borderless financial future, we want to hear from you!Our EthosWe foster an open and flat organizational structure where every team member can grow into the role that aligns with their aspirations. Our employees at all levels have the autonomy to explore innovative ideas and significantly influence the roadmap and vision of our company.About the PositionAs a Software Engineer, you will design, develop, and maintain Soroban smart contracts on the Stellar platform alongside backend services that integrate with them. You will also contribute to shared infrastructure across EVM, Solana, and Stellar. Our platform supports crypto-backed card products, handling high transaction volumes while continuously ingesting on-chain data and managing the unique complexities of each blockchain, with scalability and reliability built-in from the outset.Your ResponsibilitiesTake ownership of Soroban smart contracts from development through deployment and maintenance.Develop robust and scalable backend services that interact with Stellar, EVM, and Solana networks.Enhance our on-chain infrastructure to support millions of users globally, facilitating transactions, data ingestion, and real-time processing.Play a vital role in shaping our technical and product roadmap.Drive architectural decisions in a fast-paced, rapidly evolving environment.Rapidly deliver new capabilities to our customers.What We RequireExtensive knowledge of the Stellar ecosystem, including Soroban's programming model, tools, and best practices.Proficiency in Rust programming language.In-depth understanding of smart contract security patterns and common vulnerabilities.
Join Equinox, a leader in the fitness industry, as a Content Creator. In this dynamic role, you will be responsible for producing engaging and high-quality content that resonates with our audience. Your creativity will help enhance our brand presence and drive engagement across multiple platforms.
Full-time|$253.5K/yr - $269.3K/yr|Remote|Brooklyn, NY or Remote (North America)
Applicant Privacy NoticeAre you ready to be part of an elite blockchain development team? At Ava Labs, we simplify the deployment of high-performance solutions for the Web3 environment, spearheading groundbreaking innovations on the Avalanche platform. Founded by a coalition of Cornell University computer scientists and seasoned Wall Street professionals, our mission is to revolutionize the way value is created through permissionless networks. Join us in our quest to enable individuals and organizations to seamlessly digitize the world’s assets on our open, programmable blockchain framework.We are seeking a Staff Engineer to become a pivotal member of our Platform Engineering Group. This team is dedicated to the maintenance and advancement of the EVM within the Avalanche blockchain ecosystem.Key Responsibilities:Enhance and maintain Avalanche’s EVM-compatible chains.Design and implement innovative extensions atop standard EVMs while ensuring ecosystem compatibility.Contribute to notable projects such as:libevm (repo): a library version of the EVM; a backwards-compatible fork of geth with customizable configuration directives to reduce merge conflicts.Streaming Asynchronous Execution (spec / talk / repo): a decoupled consensus and execution model that allows for continuous concurrent execution without enforced dormancy.Ideal Candidate Profile:A proactive individual with a relentless curiosity, comfortable navigating and understanding existing codebases. You view code as the ultimate truth and can identify subtle distinctions within it.A keen eye for detail, with a passion for producing clean and maintainable code. You write software that prioritizes user experience while embracing the joy of coding.You thrive in a hacker culture, believing creativity extends beyond the arts. You grasp system rules primarily to innovate and adapt them.What You Will Bring:Exceptional proficiency in Golang, along with a robust understanding of its core principles.
Full-time|$90K/yr - $150K/yr|On-site|New York City
Join the Future of Legal Services with Crosby!At Crosby, we are pioneering a new era in corporate legal services. Our dynamic team of legal professionals and technologists is dedicated to transforming how legal work is approached, leveraging proprietary technology and innovative workflows to optimize the lawyer-machine collaboration.Founded by Ryan (Penn, Stanford Law, ex-Cooley, former GC) and John (Penn M&T, ex-Ramp, ex-Google).Our Core Beliefs:A robust legal system is essential for a thriving society.Legal work merges art and science, and we aim to codify its scientific aspects.Offering services, not just software, maximizes productivity with GenAI in professional services.We thrive on in-person collaboration at our NYC office.About the Role:As a Contracts Specialist, you will play a crucial role in expanding our document review and legal service capabilities. Collaborating with attorneys, clients, and our tech team, you will ensure that legal documents are processed efficiently and with high accuracy.Your Responsibilities:Review and process commercial contracts and legal documents with speed and precision.Work alongside legal team members to analyze contract terms and identify key obligations, risks, and anomalies.Utilize Crosby’s internal tools to enhance the document review process.Identify inefficiencies and propose solutions for process improvements.Assist in standardizing recurring contract types and developing playbooks.Collaborate with cross-functional teams in engineering and operations to optimize workflows.
Why Join AlixPartners Work on projects that shape companies, clients, and communities during pivotal moments. Be part of a skilled team that values teamwork, integrity, and high standards. Grow your career in a setting that encourages challenging work, inclusion, and authenticity. Take advantage of a hybrid work model designed for flexibility, wellness, and collaboration. AlixPartners addresses complex and urgent challenges by moving quickly from analysis to action, creating lasting value for organizations and their stakeholders. The firm fosters an inclusive culture by respecting the needs of employees, clients, and communities, and values diverse perspectives. Ongoing efforts focus on improving policies and practices to support authenticity, growth, and equity. Role Overview: Contracts Attorney - Restructuring Location: New York, NY (Hybrid) This Legal Counsel role sits within the Turnaround & Restructuring Services (TRS) Americas practice. The position focuses on structuring, launching, and managing high-stakes client engagements. Collaboration is key: work closely with colleagues in Legal, Compliance, Risk, TRS Americas consultants, and outside counsel to help the firm navigate complex matters efficiently and with sound judgment. This is a full-time role based in New York, NY, reporting to the Associate General Counsel - Restructuring. What You Will Do Draft, review, and negotiate engagement letters, agreements, NDAs, disclaimers, report access letters, and related documents for TRS clients. Conduct legal and risk reviews of reports and work products before client distribution. Negotiate contingent fee arrangements. Review Directors & Officers (D&O) insurance policies, prepare board resolutions, and coordinate with brokers and outside counsel for interim management engagements. Work with internal stakeholders and external counsel to resolve outstanding issues and secure engagement approvals. Maintain internal records and documentation to support legal compliance.
Role overview Pelago is hiring a Senior Recruiter on a contract basis in New York, NY. This position plays a key role in managing the full recruitment process while supporting the company’s employer branding efforts. The Senior Recruiter will work closely with hiring managers and contribute to building a strong team. What you will do Manage the entire recruitment cycle for various open positions Source, screen, and engage candidates across different functions Partner with hiring managers to understand hiring needs and priorities Support and suggest ideas for employer branding initiatives Requirements Experience as a recruiter, preferably at a senior level Proven ability to hire top talent Experience supporting or shaping employer branding projects
About Waterfall:Waterfall is an innovative trading protocol designed for rare NFTs and collectible digital art, featuring real-time on-chain pricing. Our mission is to enhance the liquidity and composability of NFTs by pioneering new infrastructure and auction mechanisms. Our unique concept allows users to trade shards to forecast NFT prices, facilitating immediate price discovery for any asset listed.Supported by prominent investors like Electric Capital and Pantera Capital, we maintain a dynamic and agile team culture that prioritizes inclusivity. We are committed to making Waterfall not just a platform of choice, but a great place to advance your career.Stay connected with us by following our social media channels and visiting our website!
Ellipsis Labs is a pioneering and profitable startup based in New York, dedicated to creating innovative products and infrastructure in the realm of decentralized finance.As the developer of Phoenix, the leading order book spot exchange on the Solana blockchain, we have established ourselves as a top 10 decentralized exchange (DEX), boasting over $70 billion in transaction volume since our launch in 2023. Furthermore, we are recognized as one of the most active and influential on-chain market makers in the cryptocurrency space.All roles are based in the Ellipsis Labs office in New York City.
About RainRain is pioneering the future of global payments through innovative solutions. Our dynamic team is composed of experienced founders and passionate builders dedicated to making stablecoins practical for real-world applications, including card transactions, international transfers, B2B transactions, remittances, and more. We collaborate with fintech companies, neobanks, and financial institutions to create inclusive, efficient, and globally accessible solutions. Join us and be part of a fast-growing company backed by leading investors in the fintech and crypto sectors, such as Sapphire Ventures, Norwest, and Galaxy Ventures. If you are curious, daring, and eager to contribute to a borderless financial landscape, we want to connect with you.Our Company CultureAt Rain, we embrace a flat organizational structure that encourages growth and exploration. Every team member, regardless of their position, has the autonomy to innovate and influence the company's vision and roadmap.Role OverviewAs a Software Engineer focused on EVM, you will design, develop, and maintain EVM smart contracts and associated backend services. You will also contribute to our shared infrastructure across EVM, Solana, and Stellar networks. Our platform is designed to handle high transaction volumes and complex on-chain data, ensuring scalability and reliability from the outset.ResponsibilitiesLead the end-to-end development of EVM smart contracts, from design to deployment and ongoing maintenance.Develop robust and scalable backend services that interface with EVM, Solana, and Stellar networks.Enhance our on-chain infrastructure to accommodate millions of users worldwide, facilitating transaction processing, data ingestion, and real-time capabilities.Contribute significantly to the technical and product roadmap.Make critical architectural decisions in a rapidly changing environment.Quickly and iteratively deliver new features to our customers.QualificationsExtensive experience with the EVM ecosystem, including smart contract development and best practices.Proficient in Solidity programming language.Familiarity with development frameworks such as Hardhat or Foundry.
Category Labs (formerly known as Monad Labs) is an innovative team of systems engineers and researchers dedicated to advancing decentralized technology. Our mission is to create groundbreaking improvements over existing blockchain solutions. Following a successful $225 million Series A funding round led by Paradigm, we are excited to expand our talented team.The RoleWe are seeking a Smart Contract Engineer to join our core engineering team, focusing on application layer development. Your responsibilities will encompass collaborating with external application and infrastructure teams and designing and implementing new primitives enabled by our high-performance Ethereum Virtual Machine (EVM) client. You will thrive in a dynamic startup atmosphere as part of a small, efficient team.What You Will DoDevelop smart contracts optimized for the resources and throughput provided by our Monad client.Assess and address the needs of the app developer ecosystem through close collaboration with the core engineering team.Engage directly with external application and infrastructure teams to provide insights and solutions drawn from your in-depth understanding of their domains and the Category Labs client.Who You AreYou possess at least 4 years of software engineering experience, including a minimum of 3 years focused on writing smart contracts in Solidity.You bring prior experience in blockchain engineering, specifically within Layer-1, Layer-2, or Infrastructure projects (such as Oracles, Bridges, Indexers, RPC Providers, Wallets, or other high-performance applications).You are proficient with tools such as Foundry and Hardhat, and you have a strong understanding of security vulnerabilities at the application layer.Your background includes backend engineering experience using low-level programming languages like C, C++, or Rust.You have successfully built significant projects from scratch, ideally with a user base (the more, the better).You are an excellent communicator, enthusiastic about engaging in technical discussions, reviews, and documentation.You embody qualities that reflect our engineering team's values, including a practical approach to problem-solving and strong design skills.
Join Omen as a Blockchain EngineerAt Omen, we are revolutionizing the trading landscape by creating a unified platform that allows users to trade various asset types with ultimate flexibility and efficiency.Picture a world where you can seamlessly buy spot equities and cryptocurrencies, trade on leveraged positions, short companies, or hold tokenized shares in diverse income-generating assets—all managed from a single interface without the hassle of multiple brokers or protocols.We envision a future for retail investors that mirrors the composability and power of institutional trading, ensuring speed, precision, and security.Our dynamic team consists of 8 dedicated engineers collaborating in our full-floor office located in the vibrant heart of Midtown NYC. Our collective expertise includes trading systems, startup innovation, application development, and a shared passion for our mission.Supported by leading seed investors, we are committed to relentless progress towards our ambitious goals.Role Overview:We are developing a cutting-edge perpetual derivatives platform featuring a high-performance off-chain trading engine complemented by on-chain settlement and enforcement. As a Blockchain Engineer, you will be an integral part of our blockchain team, creating the smart contract infrastructure that ensures the safety, accuracy, and enforceability of off-chain trades.Your collaboration with the trading systems team will be crucial in establishing clear and precise settlement semantics between off-chain states and on-chain finality.
About Waterfall:At Waterfall, we are pioneering a revolutionary trading protocol designed for rare NFTs and collectible digital art, featuring live on-chain pricing. Our mission is to enhance the liquidity and composability of NFTs by creating innovative infrastructure and auction mechanisms. We have conceptualized a unique trading system allowing users to trade shards to forecast NFT prices, enabling rapid price discovery for any listed asset.Supported by Electric Capital and Pantera Capital, our dynamic and agile team is committed to fostering an inclusive culture. We aim not only to make a significant impact in the NFT space but also to ensure that Waterfall is the ideal workplace for your future aspirations. To stay informed and connected, be sure to follow our socials and explore our website!
Full-time|Hybrid|In-Person or Remote | NYC Preferred
About UsPaxos Labs is at the forefront of developing enterprise infrastructure that drives the next generation of trusted on-chain financial products. We collaborate with major financial institutions worldwide to create transparent and verifiable on-chain solutions tailored for everyday financial activities. If you are passionate about making decentralized finance (DeFi) and digital assets accessible to a broader audience, we invite you to explore a career with us at Paxos Labs.We are currently seeking a Smart Contract Engineer to enhance Paxos Labs' DeFi protocol infrastructure.What We're Looking ForOur smart contract team comprises skilled developers who have successfully delivered multiple decentralized applications ranging from lending markets to vaults. We seek a proactive developer who can not only craft code but also research and apply a profound understanding of DeFi to develop mission-critical software for the world's largest enterprises.Key Interests Include:DeFi Yield StrategiesTokenizationDecentralized LendingUnder/Un-Collateralized LendingKey ResponsibilitiesInvestigate and design innovative protocol mechanisms related to vaults, lending, and other DeFi primitives.Guide protocol design decisions, weighing trade-offs between trust assumptions and efficiency.Create Solidity contracts and develop comprehensive test suites for our protocols.Uphold stringent organizational and security standards for our open-source codebase.
Ellipsis Labs is a thriving and profitable startup based in New York City, dedicated to creating innovative products and infrastructure in the realm of decentralized finance.We are the proud developers of Phoenix, the foremost order book spot exchange on the Solana blockchain, and a top 10 decentralized exchange (DEX) boasting over $70 billion in volume since our inception in 2023. Moreover, we are recognized as one of the most active and reputable on-chain market makers in the cryptocurrency sector.All positions are based at the Ellipsis Labs office in New York City.The OpportunityEllipsis Labs is on the lookout for a Senior Smart Contract Engineer specializing in SVM to enhance our dynamic team. In this pivotal role, you will:Design, develop, and maintain essential smart contracts for the SVM, along with implementing the necessary monitoring systems.
About Us:Ether.fi is an innovative and rapidly expanding crypto-native financial platform dedicated to empowering users with complete control over their wealth. We simplify the processes of saving, earning, and spending cryptocurrency. As a frontrunner in the decentralized finance (DeFi) sector, ether.fi provides a comprehensive, non-custodial suite of products—Stake, Liquid, and Cash—that connect cryptocurrency utility with real-world convenience.With over $8 billion in assets under management and a dynamic team of over 25 professionals, we are constructing a sustainable, secure, and scalable financial infrastructure designed to onboard the next billion cryptocurrency users. Our offerings, which include liquid staking, automated yield strategies, and crypto-native payment solutions such as credit cards, create a holistic decentralized banking experience.As we continue to grow, we are on the lookout for talented, mission-driven individuals eager to help shape the future of finance.Discover more at ether.fi.
About Waterfall:At Waterfall, we are revolutionizing the way rare NFTs and collectible digital art are traded through our innovative trading protocol that features live on-chain pricing. Our mission is to enhance the liquidity and composability of NFTs by building cutting-edge infrastructure and auction systems. We have pioneered a unique concept for users to trade shards, allowing for accurate predictions of NFT prices, thus facilitating instant price discovery for any listed asset.With backing from Electric Capital and Pantera Capital, our small but agile team is dedicated to fostering an inclusive culture. We aim not just to make an impact in the NFT space but also to create an environment that makes Waterfall the best choice for your career and future aspirations.Stay in the loop by following our social media channels and visiting our official website!
Contract|$65K/yr - $85K/yr|On-site|New York, United States
Company Overview:Compass Pathways plc (Nasdaq: CMPS) is a pioneering biotechnology firm focused on advancing patient access to groundbreaking innovations in mental health. Headquartered in London, UK, with a significant presence in New York City, we aim to develop transformative treatments that enhance the lives of individuals facing mental health challenges, particularly those unresponsive to existing therapies.We are at the forefront of a new approach to mental health treatment, emphasizing rapid and lasting responses through our investigational COMP360 synthetic psilocybin therapy, which is poised to be a first-in-class solution. This therapy has been granted Breakthrough Therapy designation by the US FDA and has received Innovative Licensing and Access Pathway designation in the UK for treatment-resistant depression (TRD), addressing a critical unmet need in mental health care.As we advance through phase 3 trials for TRD and have successfully completed phase 2 studies for both post-traumatic stress disorder (PTSD) and anorexia nervosa, we are preparing for further late-stage research in PTSD. Our vision encapsulates a world where mental well-being extends beyond the mere absence of illness, enabling individuals to thrive.Job Overview:The IT Support Engineer will play a critical role in providing technical assistance to internal users within the organization. This position involves supporting audio-visual and IT-related setups and resolving various technical issues to ensure seamless operations.
Role overview The Chief Contracting Officer (ACCO) leads the City of New York’s contracting operations, shaping how public procurement serves the city. This executive role manages the entire contracting process, from initial planning through to final execution. What you will do Direct all contracting activities and manage related workflows Maintain compliance with legal standards and city policies Advance procurement practices that are both effective and efficient Support innovative solutions to meet the diverse needs of New York’s communities Location This position is based in New York, NY.
About 10a Labs: At 10a Labs, we are the trusted safety and threat-intelligence layer for leading AI innovators, Fortune 10 firms, and global technology platforms. Our expertise in adversarial red teaming, model evaluations, and intelligence collection empowers engineering, safety, and security teams to proactively counter evolving threats and deploy AI technologies securely.About the Role: We are looking for an AI Engineer for a four-month contract, with the possibility of extension, to collaborate with internal teams and engineers in crafting innovative AI solutions. In this role, you will develop practical systems that utilize advanced language models to address real-world challenges.This position combines applied AI knowledge, strong engineering skills, and innovative problem-solving. You will rapidly prototype, iterate, and convert emerging model capabilities into dependable, production-ready systems.Your Responsibilities:Design and develop AI-driven systems using AI APIs in inventive and efficient ways.Create prototypes and production workflows utilizing language models for tasks such as classification, evaluation, and synthetic data generation.Integrate AI APIs, vector stores, and necessary infrastructure to support scalable applications.Experiment with and assess both hosted and open-source models as appropriate.Collaborate with product managers, analysts, and technical writers to distill complex systems into clear requirements and external documentation.Offer technical insights to product and engineering teams to enhance system quality and performance.We Are Looking For Candidates Who:Have experience in AI engineering, software development, or applied machine learning roles.Are proficient with modern coding copilots and model-assisted development tools (e.g., Claude Code, Codex, or similar).Possess hands-on experience with model provider APIs.Are resourceful, creative, and capable of quick iteration in complex problem areas.Work independently with strong problem-solving abilities while managing multiple projects.Are collaborative, detail-oriented, and thrive in dynamic, high-impact settings.Have experience in handling end-to-end ownership of intricate technical challenges.
Join Our Team at GovSignalsAt GovSignals, we are revolutionizing the landscape of government contracting with innovative AI-powered solutions. We’re making waves in a multi-billion dollar industry, enabling private-sector technologies to secure government contracts more efficiently than ever, bolstering national security while stimulating economic growth.Our cutting-edge government contracting AI platform is the most advanced available today. Catering to everyone from small businesses to Fortune 500 companies, our platform enhances the opportunities contractors can explore, allowing them to craft fully compliant, successful proposals in mere hours instead of months. As one of the largest aggregators of U.S. government data, we lead the pack in setting trends.The Opportunity: Product Engineer (Based in NYC)As a Product Engineer, you will swiftly strategize, construct, and refine essential customer-facing features. Merging structured thinking with rapid execution, you will utilize TypeScript, Postgres, and Cloudflare Workers to provide seamless user experiences. Your responsibilities will include planning new product flows, diagnosing customer issues in real-time, and deploying polished updates consistently. Leveraging AI coding tools like Cursor, you'll enhance delivery speed and maintain high code quality even amidst ambiguous requirements. We expect you to prioritize customer needs and balance immediate product enhancements with long-term growth objectives.Main ResponsibilitiesOwn high-impact product areas and deliver improvements on a consistent schedule, collaborating with customer success teams to focus on high-leverage initiatives.Quickly iterate on UI, UX, and core application components to ensure a fluid customer journey.Translate ambiguous objectives into actionable plans, identify necessary data for success, and assess outcomes.Develop and maintain TypeScript codebases that work seamlessly with Postgres, authentication, and edge logic on Cloudflare Workers.Utilize AI pair programming tools to enhance productivity and uphold best practices in testing, performance, and security.Collaborate with design, product, and platform teams to think innovatively, prioritize effectively, and execute rapidly.Monitor production metrics, resolve issues, and implement fixes that preserve user trust and satisfaction.QualificationsA minimum of two years of full-stack engineering experience or a related field, demonstrating a proven track record of delivering high-quality products.Proficiency in TypeScript, experience with Postgres, and familiarity with Cloudflare Workers.Strong analytical skills with the ability to transform complex problems into clear, actionable steps.Experience in collaborating with cross-functional teams, including design and product management.Ability to thrive in a fast-paced environment, demonstrating agility in both execution and strategic thinking.
About RainAt Rain, we're revolutionizing the payments landscape by making next-generation payment solutions accessible worldwide. Our dynamic team consists of passionate innovators and experienced founders dedicated to transforming the financial ecosystem. We enable the real-world application of stablecoins through our robust infrastructure that powers card transactions, cross-border payments, B2B purchases, remittances, and more. By collaborating with fintechs, neobanks, and financial institutions, we launch solutions that are global, inclusive, and efficient. Join us at this hypergrowth company backed by top-tier investors in fintech, crypto, and SaaS including Sapphire Ventures, Norwest, Galaxy Ventures, Lightspeed, Khosla, and others. If you're curious, bold, and eager to help shape a borderless financial future, we want to hear from you!Our EthosWe foster an open and flat organizational structure where every team member can grow into the role that aligns with their aspirations. Our employees at all levels have the autonomy to explore innovative ideas and significantly influence the roadmap and vision of our company.About the PositionAs a Software Engineer, you will design, develop, and maintain Soroban smart contracts on the Stellar platform alongside backend services that integrate with them. You will also contribute to shared infrastructure across EVM, Solana, and Stellar. Our platform supports crypto-backed card products, handling high transaction volumes while continuously ingesting on-chain data and managing the unique complexities of each blockchain, with scalability and reliability built-in from the outset.Your ResponsibilitiesTake ownership of Soroban smart contracts from development through deployment and maintenance.Develop robust and scalable backend services that interact with Stellar, EVM, and Solana networks.Enhance our on-chain infrastructure to support millions of users globally, facilitating transactions, data ingestion, and real-time processing.Play a vital role in shaping our technical and product roadmap.Drive architectural decisions in a fast-paced, rapidly evolving environment.Rapidly deliver new capabilities to our customers.What We RequireExtensive knowledge of the Stellar ecosystem, including Soroban's programming model, tools, and best practices.Proficiency in Rust programming language.In-depth understanding of smart contract security patterns and common vulnerabilities.
Join Equinox, a leader in the fitness industry, as a Content Creator. In this dynamic role, you will be responsible for producing engaging and high-quality content that resonates with our audience. Your creativity will help enhance our brand presence and drive engagement across multiple platforms.
Full-time|$253.5K/yr - $269.3K/yr|Remote|Brooklyn, NY or Remote (North America)
Applicant Privacy NoticeAre you ready to be part of an elite blockchain development team? At Ava Labs, we simplify the deployment of high-performance solutions for the Web3 environment, spearheading groundbreaking innovations on the Avalanche platform. Founded by a coalition of Cornell University computer scientists and seasoned Wall Street professionals, our mission is to revolutionize the way value is created through permissionless networks. Join us in our quest to enable individuals and organizations to seamlessly digitize the world’s assets on our open, programmable blockchain framework.We are seeking a Staff Engineer to become a pivotal member of our Platform Engineering Group. This team is dedicated to the maintenance and advancement of the EVM within the Avalanche blockchain ecosystem.Key Responsibilities:Enhance and maintain Avalanche’s EVM-compatible chains.Design and implement innovative extensions atop standard EVMs while ensuring ecosystem compatibility.Contribute to notable projects such as:libevm (repo): a library version of the EVM; a backwards-compatible fork of geth with customizable configuration directives to reduce merge conflicts.Streaming Asynchronous Execution (spec / talk / repo): a decoupled consensus and execution model that allows for continuous concurrent execution without enforced dormancy.Ideal Candidate Profile:A proactive individual with a relentless curiosity, comfortable navigating and understanding existing codebases. You view code as the ultimate truth and can identify subtle distinctions within it.A keen eye for detail, with a passion for producing clean and maintainable code. You write software that prioritizes user experience while embracing the joy of coding.You thrive in a hacker culture, believing creativity extends beyond the arts. You grasp system rules primarily to innovate and adapt them.What You Will Bring:Exceptional proficiency in Golang, along with a robust understanding of its core principles.
Full-time|$90K/yr - $150K/yr|On-site|New York City
Join the Future of Legal Services with Crosby!At Crosby, we are pioneering a new era in corporate legal services. Our dynamic team of legal professionals and technologists is dedicated to transforming how legal work is approached, leveraging proprietary technology and innovative workflows to optimize the lawyer-machine collaboration.Founded by Ryan (Penn, Stanford Law, ex-Cooley, former GC) and John (Penn M&T, ex-Ramp, ex-Google).Our Core Beliefs:A robust legal system is essential for a thriving society.Legal work merges art and science, and we aim to codify its scientific aspects.Offering services, not just software, maximizes productivity with GenAI in professional services.We thrive on in-person collaboration at our NYC office.About the Role:As a Contracts Specialist, you will play a crucial role in expanding our document review and legal service capabilities. Collaborating with attorneys, clients, and our tech team, you will ensure that legal documents are processed efficiently and with high accuracy.Your Responsibilities:Review and process commercial contracts and legal documents with speed and precision.Work alongside legal team members to analyze contract terms and identify key obligations, risks, and anomalies.Utilize Crosby’s internal tools to enhance the document review process.Identify inefficiencies and propose solutions for process improvements.Assist in standardizing recurring contract types and developing playbooks.Collaborate with cross-functional teams in engineering and operations to optimize workflows.
Why Join AlixPartners Work on projects that shape companies, clients, and communities during pivotal moments. Be part of a skilled team that values teamwork, integrity, and high standards. Grow your career in a setting that encourages challenging work, inclusion, and authenticity. Take advantage of a hybrid work model designed for flexibility, wellness, and collaboration. AlixPartners addresses complex and urgent challenges by moving quickly from analysis to action, creating lasting value for organizations and their stakeholders. The firm fosters an inclusive culture by respecting the needs of employees, clients, and communities, and values diverse perspectives. Ongoing efforts focus on improving policies and practices to support authenticity, growth, and equity. Role Overview: Contracts Attorney - Restructuring Location: New York, NY (Hybrid) This Legal Counsel role sits within the Turnaround & Restructuring Services (TRS) Americas practice. The position focuses on structuring, launching, and managing high-stakes client engagements. Collaboration is key: work closely with colleagues in Legal, Compliance, Risk, TRS Americas consultants, and outside counsel to help the firm navigate complex matters efficiently and with sound judgment. This is a full-time role based in New York, NY, reporting to the Associate General Counsel - Restructuring. What You Will Do Draft, review, and negotiate engagement letters, agreements, NDAs, disclaimers, report access letters, and related documents for TRS clients. Conduct legal and risk reviews of reports and work products before client distribution. Negotiate contingent fee arrangements. Review Directors & Officers (D&O) insurance policies, prepare board resolutions, and coordinate with brokers and outside counsel for interim management engagements. Work with internal stakeholders and external counsel to resolve outstanding issues and secure engagement approvals. Maintain internal records and documentation to support legal compliance.
Role overview Pelago is hiring a Senior Recruiter on a contract basis in New York, NY. This position plays a key role in managing the full recruitment process while supporting the company’s employer branding efforts. The Senior Recruiter will work closely with hiring managers and contribute to building a strong team. What you will do Manage the entire recruitment cycle for various open positions Source, screen, and engage candidates across different functions Partner with hiring managers to understand hiring needs and priorities Support and suggest ideas for employer branding initiatives Requirements Experience as a recruiter, preferably at a senior level Proven ability to hire top talent Experience supporting or shaping employer branding projects
Apr 22, 2026
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