Senior Software Engineer - Protocol Development

About Move IndustriesAt Move Industries, we are pioneering the People’s Chain, a Move-based Layer 1 blockchain. Our diverse ecosystem empowers innovative creators to redefine finance, infrastructure, and tangible value on-chain. As a vital contributor to the Movement Network, we integrate advanced protocol engineering with community-driven governance, return…

About Sei LabsSei Labs is pioneering open-source technology for the high-performance Sei Blockchain, the first parallelized EVM Layer 1 blockchain engineered for industry-scale efficiency. Our innovative optimizations empower Web3 applications to achieve Web2 levels of scalability and performance, propelling the widespread adoption of digital assets.Our diverse teams include experts from leading organizations such as Google, Goldman Sachs, Robinhood, Nvidia, and Databricks, all committed to integrating the next billion users into a robust ecosystem of applications.Sei Labs has secured over $30 million from prestigious investors like Jump Crypto, Multicoin Capital, Coinbase Ventures, Distributed Global, Hudson River Trading, and Flow Traders.For more information, visit our website and our documentation.Protocol Engineering at SeiWe are in search of a Protocol Engineer to spearhead the development of essential components of the Sei Blockchain. In this role, you will be at the cutting edge of blockchain infrastructure, tasked with designing and refining the foundational layers of a scalable decentralized network. You will collaborate closely with our engineering team and ecosystem partners, continuously innovating to advance blockchain technology. If you possess a passion for low-level systems design, performance optimization, and influencing the future of decentralized networks, this is an exceptional opportunity to leave a significant mark in the Web3 landscape.

Join our innovative team at stemxpert1 as an Embedded Software Engineer specializing in MOST Protocols. In this role, you will be responsible for designing, developing, and optimizing embedded software solutions that enhance our product offerings.You will collaborate with cross-functional teams to drive projects from conception to deployment, ensuring high-quality results and adherence to industry standards.

Are you ready to challenge your limits and redefine what's possible in the world of technology?At Coinbase, our mission is to enhance economic freedom globally. This ambitious undertaking requires our utmost dedication as we construct the on-chain platform that will shape the future of the global financial system.We are in search of a unique individual who shares our passion and believes in the transformative potential of cryptocurrency and blockchain technology to revolutionize the financial landscape. We want someone who is eager to leave a lasting impact, thrives under pressure, and embraces constructive feedback as a means for personal growth. If you’re someone who eagerly confronts challenges and seeks to solve complex problems, we want to hear from you.Our work culture is dynamic and intense, designed for those who are committed to excellence. If you aspire to build the future alongside exceptional colleagues who hold high expectations, there’s no better place to be.While many positions at Coinbase are remote-first, we value in-person collaboration. Regular attendance at team and company-wide offsites, which occur multiple times a year, is expected and encouraged.The MissionAt Coinbase, we are dedicated to increasing economic freedom globally. Staking plays a pivotal role in this mission, allowing individuals to actively secure blockchain networks and earn rewards. Coinbase operates one of the largest Solana staking operations worldwide, managing a validator fleet that accounts for roughly 9.25% of all staked SOL. Our commitment is to provide industry-leading, risk-adjusted yields while ensuring top-tier security, compliance, and reliability.The RoleWe are seeking a Senior Staff Software Engineer to act as the Solana Staking Protocol Chief Technology Officer at Coinbase — the definitive technical authority for all aspects of Solana staking within the company. This role transcends traditional engineering responsibilities. You will leverage your deep understanding of the Solana protocol and provide strategic technical leadership that will guide Coinbase's Solana staking initiatives for years to come. You will oversee the technical strategy for validator operations, staking integrations, and protocol evolution, collaborating closely with engineering leadership, product teams, and external stakeholders, including the Solana Foundation. As a recognized Solana expert, you will represent Coinbase at industry conferences, engage with the validator community, and influence the direction of the protocol.

Fastly seeks a Staff Software Engineer to focus on Edge Protocols. This position involves designing and building new solutions that enhance the edge cloud platform. The work has a direct impact on performance, scalability, and the experience of clients worldwide. Role focus This role centers on developing protocols and systems that support Fastly's edge infrastructure. Engineering decisions here shape how data moves efficiently and reliably across the platform. Impact Solutions built in this role influence the speed and reliability of Fastly's services. Engineers in this area help ensure clients around the globe receive consistent, high-quality performance. Locations Denver, CO New York City, NY San Francisco, CA

Join our Corporate Technology Strategy Group, where we spearhead the innovation of Client technologies at the corporate level. Our team is dedicated to research and collaboration on groundbreaking business solutions and technologies. We are seeking skilled individuals to work on advanced networking technologies that are fueled by emerging applications such as IoT, AI, and VR/AR/MR.

Join Saga, where our mission is to empower developers to create the next 1000 chains within the multichain metaverse. As a pioneering protocol, we automatically provision application-specific blockchains, revolutionizing interactions for both developers and end-users. By leveraging shared security, advanced validator orchestration, and a standardized CI/CD deployment pipeline across single-tenant VMs, Saga simplifies the process of launching dedicated blockchains or chainlets, making it as seamless as deploying a smart contract.Our primary focus lies in gaming and entertainment chains, and as the metaverse evolves, the demands for performance and user experience continue to escalate. We understand that crypto-based applications must meet these heightened expectations.Our ambition is vast, and we are on the lookout for the brightest and most committed engineers to join our journey. Our team comprises seasoned web3 pioneers and builders from esteemed organizations such as Ignite (Tendermint), Apple, Twitter, NVIDIA, and Skuchain, and we are eager to expand our ranks.We provide a flexible remote working environment, welcoming you to a supportive, friendly, and international team committed to your personal and professional development. This is an exciting opportunity to actively engage in the blockchain sector and contribute to the decentralization of the future.

Join our innovative team at Lightning Labs as a Lightning Protocol Engineer, where you'll play a pivotal role in the advancement of cryptocurrency technology. We are seeking a skilled systems software engineer with expertise in applied cryptography, peer-to-peer networks, distributed systems, open-source software, and cryptocurrency protocols. Your responsibilities will include enhancing lnd and neutrino, conducting groundbreaking cryptocurrency research, contributing to the design of BOLT specifications, and helping to shape the future of smart contract applications on Bitcoin.The ideal candidate will possess a deep passion for Bitcoin and a commitment to making Bitcoin transactions more affordable, faster, and user-friendly for everyone.Key Responsibilities:- Develop and implement essential Lightning Network (LN) protocols and algorithms.- Contribute to critical peer-to-peer cryptocurrency daemons, primarily using Go.- Collaborate with the broader team on researching and designing future versions of LN.- Engage in issue triage and review open-source contributions across our repositories.- Communicate effectively with the larger community and industry about our software and technology.

Join Rockstar, a pioneering foundation committed to advancing the growth, decentralization, and sustainability of a leading decentralized finance protocol. Our mission focuses on delivering value in key areas such as Protocol and Innovation, Developer Support, Governance, Research, and Security through strategic grant-making.We are on the lookout for a skilled Protocol Engineer to become a vital part of our technical team. You will play an instrumental role in developing smart contracts for in-house initiatives, the Unichain protocol, and collaborations with grantees.In this position, you will be tasked with designing, implementing, and optimizing smart contract systems. You will actively engage in technical design discussions, evaluating trade-offs among optimization, flexibility, and integration, while also offering design feedback to ecosystem participants, including hook developers and DeFi projects on Unichain.Key Responsibilities:Design, implement, and optimize Solidity-based smart contracts for protocol-related projects, prioritizing security, efficiency, and maintainability.Provide technical guidance and design feedback to external developers building on the protocol and Unichain, including hook developers and DeFi projects.Explore and prototype novel DeFi primitives, trading mechanisms, and smart contract architectures to enhance the protocol’s functionalities.Participate in design sessions and code reviews to uphold high standards in code quality, security, and organization.Implement unit tests, fuzz testing, and gas optimizations to ensure the reliability and performance of smart contracts.Potential Areas of Work:Hooks and reference implementations for the protocol's latest versionExperimental swapping UX designsIndexers and graph traversal algorithmsComposable DeFi legosSDK abstractions and developer toolingPeriphery integrations such as liquidity management tools and swap-and-add functionalitiesQualifications:Required Skills & Experience:In-depth understanding of DeFi patterns and smart contract architectureMinimum two years of experience crafting complex Solidity smart contracts with a focus on readability, maintainability, and securityProficiency with Foundry, including cheatcodes, foundry.toml, and script executionExperience in unit testing and fuzz testing for smart contract securityConfidence in using Git and managing version control in a collaborative engineering environmentAbility to design clean abstractions and reusable smart contract componentsFamiliarity with the latest version of the protocol's contracts and associated DeFi protocolsPreferred Qualifications:Experience with Yul and other low-level programming languages

At Dragos, we are driven by our unwavering commitment to safeguarding industrial organizations that are essential to modern civilization, such as those providing clean water, reliable electricity, and secure industrial workplaces. As the frontrunner in ICS/OT Cybersecurity, we empower our clients with top-tier technology, threat intelligence, and services to effectively and efficiently protect their systems. Embracing a remote-first culture, our operations span North America, Europe, the Middle East, and APAC. We are in search of mission-driven individuals who exemplify our core values of authenticity, transparency, and trust. Are you prepared to make a significant impact? Join us in a mission that has the potential to change the world!About the Role: We are looking for an experienced Staff Protocol Dissection Engineer to join our innovative team. In this pivotal role, you will be tasked with dissecting and analyzing various communication protocols, engaging with clients to identify their needs, rapidly prototyping solutions, and collaborating with cross-functional teams, including product development, reverse engineering, and sales.

Join Protocol Cares as a Behavioral Health Care Manager and play a pivotal role in enhancing the lives of individuals dealing with mental health challenges. In this position, you will collaborate with multidisciplinary teams to develop tailored care plans, monitor patient progress, and ensure the delivery of high-quality health services. Your expertise will contribute to creating a supportive and effective environment for both patients and staff.

Join charnetwork as a Protocol Core Engineer, where you'll play a critical role in designing and implementing cutting-edge protocols that drive our innovative solutions. Collaborate with a dynamic team of engineers and contribute to the development of scalable and robust systems.

Join Jito Labs, where we are shaping the future of high-performance distributed systems on Solana. As the creators of Jito-Solana, the foremost MEV Solana client, and the Jito Block Engine, we are transforming block building on Solana. Currently, Jito-Solana operates on 93% of stake and 1,100 validators, generating an additional $1B in revenue for stakers and validators within the network.You'll collaborate with a dynamic team of engineers and operators who are dedicated to addressing complex technical challenges at the forefront of Solana trading and infrastructure. As a nimble and profitable company with proven product-market fit, we are uniquely positioned to undertake ambitious technical challenges while preserving our startup agility.Our team culture is built on:- High Ownership: Every team member plays a crucial role in driving technical decisions and influencing our product roadmap.- Fast Execution: We prioritize rapid shipping and iterative improvements based on real-world feedback. Our focus is on progress, not just activity.- Technical Excellence: We approach complex problems with elegant and scalable solutions.- Sustainable Growth: With strong financials and confirmed market fit, we are dedicated to achieving long-term impact.If you are passionate about:- Tackling complex challenges in distributed systems- Engaging with cutting-edge MEV and trading infrastructure- Contributing to open-source blockchain technology- Making a substantial impact on one of the fastest-growing L1 blockchains…then we want to connect with you.We are not just developing tools - we are designing the future of high-performance distributed systems. Our work has a direct influence on Solana's ecosystem, facilitating a faster network, enhanced capital efficiency, and more robust DeFi applications for millions of users.We provide competitive compensation, substantial equity, and the chance to tackle impactful challenges. Don’t just watch the evolution of blockchain technology—join us in building it.

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.

About UsAt Fun.xyz, we are champions of a tokenized future that empowers individuals worldwide, providing financial freedom to anyone with internet access. We envision a blockchain-centric global economy where value exchanges are not only intuitive but also secure and effortless.Introducing Checkout - the premier payment solution in the web3 landscape. By integrating Checkout, decentralized applications (dApps) allow users to execute any on-chain transaction using cryptocurrency from a wallet, a centralized exchange, or fiat currency from a bank account or card. With access to top-tier asset routing and their portfolios at the point of sale, users are quicker, more loyal, and deeply engaged.We engineered Checkout with a vision of a world where purchasing anything with any asset is feasible for everyone, everywhere. If this vision resonates with you, we would love to connect.Role OverviewWe are seeking a skilled Protocol Engineer to join our core blockchain team and contribute to the development of foundational Web3 payment infrastructure. This pivotal role presents the chance to tackle complex technical challenges at the crossroads of smart contracts, cross-chain protocols, and decentralized finance.You will be responsible for designing and implementing secure and efficient smart contract systems and blockchain integrations that facilitate millions of transactions across various chains. This position is ideal for a technically adept engineer who flourishes in dynamic environments and is eager to influence the future of decentralized finance.

At develop-health, we are dedicated to transforming access to essential medications through innovative AI solutions. In less than two years, we have scaled from $0 to over $10 million in annual recurring revenue, assisting more than 400,000 patients each month by automating intricate healthcare processes such as benefit verification and prior authorization.By partnering with leading pharmacy benefit managers and payers nationwide, we are pioneering a new era of healthcare efficiency, removing human delays and streamlining interactions. Our core team, comprised of successful entrepreneurs and engineers who have previously launched and exited healthcare startups like Rupa Health and Canvas Medical, is poised for rapid expansion following a significant funding round.About The Role:We are seeking a Senior Software Engineer to architect and implement the systems that drive our AI-powered healthcare platform. This role involves full-stack development, including robust backend API creation, seamless integration with AI models, and the development of user-friendly frontend experiences that simplify complex healthcare tasks.You will collaborate closely with our AI and Product teams to incorporate advanced LLM capabilities into practical workflows, focusing on performance, usability, and reliability. This position requires on-site presence in Menlo Park at least three days a week, giving you ownership over key product areas from inception to delivery while laying the groundwork for our future growth.Your Impact – What You’ll Achieve in the First 3–6 Months:Develop and optimize Python-based backend systems and APIs that facilitate AI-driven automation in healthcare.Create modern, responsive frontend applications using React and TypeScript, empowering clinicians and operations teams to harness AI insights effortlessly.Integrate LLM services into production environments, ensuring optimal performance and user experience.Work with AI and product teams to enhance workflows, collect user feedback, and convert insights into actionable product enhancements.Make pivotal technical decisions regarding system architecture, scalability, and the developer experience.Improve observability, testing procedures, and CI/CD pipelines to facilitate rapid and confident iteration.Your Ownership – Driving Growth Beyond 12 Months:Steer the development of new AI-driven product features that enhance clinical and operational workflows.Lead initiatives for system optimization and performance enhancements.

Wormhole Labs stands at the forefront of blockchain innovation, dedicated to creating decentralized systems that promote a more equitable global economy. We are transforming financial infrastructures across the entire cryptocurrency landscape, from foundational protocol development to trading systems and user-centric applications.We pride ourselves on being technological pioneers, merging traditional finance with the boundless opportunities presented by cryptocurrency. Our experienced team applies extensive technical knowledge to craft solutions that push the industry forward. We invite skilled individuals who resonate with our vision and possess the technical expertise necessary to actualize it — come be part of our journey!As a Solana Protocol Engineer at Wormhole Labs, you will play a vital role in enhancing Wormhole’s suite of programs and protocols on the Solana platform. You will collaborate with domain experts throughout the complete protocol development lifecycle, including ideation, design, implementation, security assessment, and deployment.

Description: As a versatile CNO Reverse Engineer, you will be at the forefront of innovative projects involving network-based devices. Your role will involve designing, developing, prototyping, modifying, and integrating solutions aimed at achieving mission-critical outcomes. Collaborating closely with analysts, operators, data scientists, and fellow software engineers, you will provide vital tactical support for our missions.Responsibilities:Enhance existing toolsets to improve functionality and performance.Gather, document, and analyze project requirements to ensure success.Create prototypes that demonstrate an understanding of mission objectives.Develop end-user tools that operate effectively within specified mission constraints.

Join Superstate, a pioneering force in the crypto space, as we seek a dynamic Business Development professional specializing in Protocols and DeFi to become a key member of our team in New York City. Your mission will be to drive the modernization of financial markets through innovative tokenization strategies. Reporting directly to the Head of Business Development, you will engage in comprehensive market analysis, forge strategic partnerships, create detailed proposals, and secure significant capital to propel our growth and enrich our ecosystem.We are looking for an ideal candidate who possesses a deep understanding of both traditional and decentralized finance landscapes, exceptional problem-solving and negotiation skills, and a proven track record in selling technical products and services to blockchain networks, DeFi protocols, foundations, and crypto-centric organizations.

Join protocol-cares as a Business Development and Operations Support Manager, where you will play a pivotal role in driving growth and optimizing operational processes. We seek a dynamic professional who can lead strategic initiatives and enhance the effectiveness of our business development efforts. You will collaborate closely with various teams to identify opportunities, develop strategies, and implement solutions that align with our organizational goals.