Senior Frontend Infrastructure Engineer at Uniswap | New York

Join Uniswap Labs, a pioneering organization at the forefront of decentralized finance (DeFi), where we create user-friendly products that empower millions. From our innovative web app and wallet to essential crypto infrastructure such as the Uniswap Trading API and Unichain, our contributions to the Uniswap Protocol have facilitated over $2.9 trillion in tr…

Join Uniswap Labs, a vital contributor to the Uniswap Protocol, the world's largest decentralized exchange (DEX), facilitating over $4 trillion in trading volume across 17 different blockchains. We develop innovative products that empower millions to engage with the protocol, including the Uniswap Web App, Wallet, and Trading API. Additionally, we serve as the primary technical provider for Unichain, a DeFi-centric Ethereum Layer 2 designed to unify liquidity across multiple chains.By joining our team, you will be part of a transformative journey that is redefining how value is exchanged on the internet.We are seeking a passionate and proactive Senior Frontend Engineer to help us create the next wave of financial products. In this pivotal role, you will own our current suite of web products while also having the opportunity to shape and influence the design and development of future offerings. You will ensure a seamless and high-quality user experience across various interfaces, from trading platforms to data-centric analytics pages and documentation portals.Our headquarters is located in SoHo, New York City, and this position offers the flexibility to work partially or fully remotely.

At Uniswap Labs, we are at the forefront of revolutionizing decentralized finance (DeFi). As a key contributor to the Uniswap Protocol, which boasts over $4 trillion in trading volume across 17 blockchains, we create innovative products that empower millions to access the protocol. Our offerings include the Uniswap Web App, Wallet, and Trading API, and we also serve as the primary technical provider for Unichain, an Ethereum Layer 2 designed to enhance liquidity across multiple chains.Joining Uniswap means becoming part of a transformative team committed to redefining the flow of value on the internet.We are searching for a passionate and self-driven Senior Backend Engineer to join us in developing the next generation of financial products.Our headquarters is located in the vibrant SoHo district of New York City, and this role offers the flexibility of partially or fully remote work.

At Uniswap Labs, we are a leading contributor to the Uniswap Protocol, the largest decentralized exchange (DEX) in the world, processing over $4 trillion in volume across 17 different chains. Our innovative products empower millions to access the protocol seamlessly, including the Uniswap Web App, Wallet, and Trading API. Furthermore, we serve as the primary technical provider for Unichain, a DeFi-native Ethereum Layer 2 solution designed to enhance liquidity across various chains.Joining Uniswap means becoming a member of a pioneering team that is redefining how value is transferred on the internet.As a Staff Backend Engineer, you will be instrumental in shaping our systems' architecture and strategic direction. This is a rare opportunity to lead critical technical initiatives, foster innovation, and ensure that Uniswap remains a trailblazer in the crypto realm.Our headquarters are located in SoHo, New York City, with the flexibility for this position to be partially or fully remote.

Uniswap Labs stands at the forefront of the decentralized finance revolution as a pivotal contributor to the Uniswap Protocol, the largest decentralized exchange (DEX) globally, facilitating over $4 trillion in trading volume across 17 different blockchain networks. Our innovative products, including the Uniswap Web App, Wallet, and Trading API, empower millions of users to seamlessly access our protocol. Additionally, we serve as the primary technical provider for Unichain, a DeFi-native Ethereum Layer 2 designed to unify liquidity across multiple chains.Joining Uniswap Labs means becoming part of a dynamic team that is transforming the flow of value across the internet.We are in search of a passionate and self-driven designer to help shape the future of financial products. As a Senior Product Designer, you will join a close-knit team recognized for crafting exceptional user experiences. Your role will involve tackling advanced human-computer interface challenges and developing innovative mental models for the next wave of decentralized finance users.This position is based in our SoHo office in New York City, with an expectation of regular in-person collaboration.

Uniswap Labs is a leading innovator in decentralized finance, contributing significantly to the Uniswap Protocol, renowned as the world’s largest decentralized exchange (DEX), with over $4 trillion in trading volume across 17 blockchain networks. Our mission is to develop pioneering products that empower millions to access the protocol effectively, including the Uniswap Web App, Wallet, and Trading API. Furthermore, we serve as the primary technical provider for Unichain, an Ethereum Layer 2 solution designed specifically for liquidity across multiple chains.Joining Uniswap means being part of a transformative team that is redefining the dynamics of value exchange on the internet.

Uniswap Labs stands at the forefront of the decentralized finance revolution as a key contributor to the Uniswap Protocol, the largest decentralized exchange globally, with a remarkable $4 trillion in trading volume across 17 different blockchains. We create innovative products that empower millions to access the protocol, including the Uniswap Web App, Wallet, and Trading API. Additionally, Uniswap Labs serves as the primary technical provider for Unichain, a DeFi-native Ethereum Layer 2 solution designed to optimize liquidity across chains.Joining Uniswap means becoming part of a team that is fundamentally transforming the flow of value on the internet.We are currently seeking a talented PhD candidate or recent graduate for a 6-month paid fellowship opportunity commencing in June 2026, based at our Soho headquarters in New York City. The fellowship offers invaluable training and hands-on experience within our research team, along with networking and mentorship opportunities to accelerate your career.

At Uniswap Labs, a pivotal contributor to the Uniswap Protocol—the largest decentralized exchange globally with over $4 trillion in trading volume across 17 blockchain networks—we create innovative tools that empower millions to engage with the protocol. Our offerings include the Uniswap Web App, Wallet, and Trading API. Additionally, we are the primary technical provider for Unichain, a DeFi-focused Ethereum Layer 2 designed to facilitate cross-chain liquidity.Joining Uniswap means becoming part of a team dedicated to transforming the flow of value on the internet.The Platform Team is vital in ensuring our products are scalable, secure, and efficient. We are seeking a skilled Backend Engineer to contribute to building and maintaining the essential services that underpin our ecosystem.This position is based in SoHo, New York City, with options for partial or full remote work.

Join Our Innovative TeamAt Graphite, we are revolutionizing the code review process and shaping the future of high-quality software development. Our philosophy hinges on the belief that exceptional craftsmanship comes from collaboration. This guiding principle informs everything we create and how we operate.If you are passionate about the next wave of software development, now is the perfect time to make a significant impact in your career with us.Our culture prioritizes people, values scientific and artistic approaches, fosters disciplined ambition, and promotes ownership—both through equity and the responsibilities you'll hold within our growing team. Outside of work, you can find us enjoying espresso, making music, or practicing yoga. We’re excited to see what you can bring to our vibrant environment!About the RoleAs Graphite continues to expand, we are in search of a Senior Frontend Engineer to guide our technical vision and direction.Transforming the way agile engineering teams write and review code is a formidable challenge, and we believe that the best solutions arise from the collaboration of talented, driven, and diverse individuals.Your ResponsibilitiesCollaborate with our team to develop a real-time, interactive code review platform enriched with social features.Contribute to establishing the technical trajectory of Graphite.Mentor fellow engineers and assist in building a scalable codebase.

About RilletAt Rillet, we empower accounting and finance teams to enhance their operational efficiency. Our clients are the financial strategists of their organizations, and our mission is to provide them with tools that deliver unparalleled speed, accuracy, and insights.Rillet is an innovative AI-driven ERP solution designed to facilitate rapid financial closures. What sets us apart is our cohesive data model, extensive range of seamless integrations (including Stripe, Ramp, Salesforce), automated workflows that are both efficient and auditable, and our growing suite of specialized AI agents that tackle various financial tasks. We take pride in maintaining a perfect customer satisfaction score. High-growth companies such as Mercer, Windsurf, and Function Health appreciate our ability to scale alongside their financial infrastructure.With significant backing of $100M from top-tier investors including Sequoia, a16z, Iconiq, Oak HC/FT, and First Round, we are poised to revolutionize financial operations.Our CultureRillet is a fast-paced environment where intelligence is essential. To thrive here, one must exhibit remarkable agility, proactivity, and adaptability.Successful team members at Rillet take initiative, internalize our mission, devise innovative strategies, and deliver superior results that surpass expectations.Our work is customer-centric, and we seek individuals who take pride in delivering high-impact solutions, even when they diverge from the initial plan.While accounting experience is not mandatory, a genuine appreciation for how our solutions empower our clients is crucial. Our team members are passionate about enhancing the financial backbone of the most dynamic companies around the globe.Position OverviewWe are in search of a skilled Senior Frontend Engineer to enhance the user interface of Rillet's cutting-edge accounting and finance software. In this role, you will collaborate with our CTO, product team, and designers to create user-friendly, high-performance interfaces that finance professionals will love to utilize.We value in-person collaboration and prefer candidates who are within commuting distance of our New York City or San Francisco offices, or those willing to relocate. Our team members are expected to work in the office on Tuesdays and Thursdays, along with one additional flexible in-office day. Some roles may necessitate more in-office presence based on specific functions.

About Confido Confido builds AI-powered infrastructure for Consumer Packaged Goods (CPG) brands, helping them manage everything from deduction resolution to production planning. The platform brings together cash application, deductions, disputes, trade promotion management, forecasting, demand planning, and analytics in one place. This integration saves clients time and supports better business decisions. Over 200 brands, including OLIPOP, Simple Mills, Dr. Squatch, and Tropicana, use Confido to manage more than $20 billion in revenue. Backed by $15 million in Series A funding from Footwork Ventures and Y Combinator, the company is positioned for rapid growth. Role Overview The Senior Frontend Engineer will lead the design and development of the user-facing side of Confido’s platform. The focus is on building intuitive, high-performance interfaces that make complex financial workflows easier for users. What You Will Do Design and develop frontend features for the Confido platform Create interfaces that simplify complex operational and financial data Collaborate with engineering and design teams Work with customers to turn detailed requirements into seamless product experiences Location This role is based in the New York City office.

About TruelogicTruelogic is a premier provider of nearshore staff augmentation services, based in New York. With over 20 years of experience, we have successfully delivered exceptional technology solutions to a diverse array of clients, from cutting-edge startups to established industry leaders, empowering them to realize their digital transformation ambitions.Our dedicated team of over 600 skilled technology professionals drives digital innovation by collaborating with U.S. companies on their most significant projects. Whether working alongside Fortune 500 corporations or scaling startups, we focus on delivering impactful results.By applying for this role, you will take the first step toward joining a vibrant team that values your expertise and career aspirations. We strive to align your talents with opportunities that promote outstanding career growth and success while contributing to projects that are shaping the future.Our ClientOur client is revolutionizing the hotel guest experience by providing day access to luxury hotel amenities, such as stunning pools, private beaches, and luxurious spas, allowing locals to indulge without leaving the city. If you are inspired to contribute to this vision, we would love your assistance.Our expanding team of tech and hospitality innovators has partnered with over 1,500 top hotels and resorts.Job SummaryWe are seeking a skilled Frontend Engineer to join our Hotels team, which is dedicated to ensuring the success of our resort partners in the marketplace by equipping them with effective management tools for their offerings. This team also develops products that enhance the guest experience upon arrival at the property. You will collaborate closely with cross-functional partners in Product, Design, and Data to create high-performing products that delight our customers and resort partners, exceeding both site metrics and business KPIs.The ideal candidate should be located in or around the NYC area, as this position requires in-person attendance at our NYC headquarters four days a week.

About HyphaHypha is an innovative AI-driven platform that is revolutionizing asset management throughout its entire lifecycle—covering acquisition, management, and exit strategies. With a specialized focus on healthcare facilities and multifamily real estate, we are transforming the industry through three fundamental pillars:Observability: Delivering real-time insights into asset performance, deal progression, and market dynamics for all stakeholders involved.Intelligence: Facilitating AI-enhanced optimization across multiple dimensions, including risk assessments, tax strategies, and performance benchmarking.Orchestration: Establishing seamless workflows and a unified source of truth to eradicate inefficiencies.Role OverviewIn the capacity of a Senior / Staff Frontend Engineer at Hypha, you will take ownership of the user experience layer of our platform. You will create interfaces that allow users to navigate through intricate financial data, AI-extracted entities, document viewers, dashboards, and conversational search functionalities. Collaborating closely with product and design teams, you will convert intricate workflows into interfaces that are intuitive, swift, and user-friendly.This position emphasizes both the art of frontend development and the architecture behind it. You will lead the charge in developing high-quality user interfaces, influence interaction patterns across our platform, and make critical decisions regarding component architecture, performance, state management, and frontend scalability. Your objective is to simplify complex data and AI-driven workflows while defining standards and systems that maintain frontend speed, cohesiveness, and maintainability as Hypha continues to grow.This opportunity is tailored for senior and staff-level frontend engineers with extensive experience in crafting polished, high-performance product experiences and shaping frontend architecture in a production environment. Compensation will be commensurate with experience, technical expertise, and scope of responsibility.

About GigaGiga has recently secured a significant $61 million in Series A funding and boasts a roster of esteemed clients, including DoorDash. We are on a mission to revolutionize customer experience with our next-generation AI agents that can comprehend emotions, resolve issues in real-time, and scale efficiently across prominent enterprises worldwide.This is a pivotal moment for Giga as we aspire to elevate our status to the leading AI platform for enterprise automation, driven by our voice superintelligence. To reach these ambitious goals, we are in search of exceptional engineers to join our team.The impact of our work touches millions of lives daily, and our engineers are empowered to make substantial contributions. This is a unique opportunity to join a company with visionary founders that has achieved commercial success and is on track to become a generational enterprise.Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipGiga develops AI agents that are trusted by the largest B2C companies globally. Industry leaders like DoorDash rely on Giga for managing their most complex support and operational workflows across voice, chat, and email. If this aligns with your aspirations, we encourage you to apply!The RoleWe are seeking a Frontend Infrastructure Engineer to create the tools and systems that will enhance the productivity of our frontend engineers. Your primary users will be internal engineers rather than end customers; you will focus on developing design systems, developer tooling, and foundational abstractions that empower the rest of the engineering team.This position is distinct from product engineering roles that focus on delivering features directly to customers. You will engage in frontend API design, ensure code quality infrastructure, and construct reusable components that provide a superior user experience. If you have experience on a design systems team, frontend platform team, or developer experience team in a larger organization, this role will resonate with you.What You'll Work OnHere are a few examples of projects you may tackle:Design System: Create and maintain a component library with clear APIs, consistent patterns, and comprehensive documentation.Developer Tooling: Develop CLIs, build tools, and automation processes that accelerate frontend development cycles.

Supported by top-tier Silicon Valley investors, Peregrine Technologies is dedicated to assisting public safety organizations, state and local governments, federal agencies, and private-sector entities in overcoming societal challenges with unmatched speed and precision. Our AI-driven platform transforms isolated and fragmented data into actionable operational intelligence, allowing for prompt access to mission-critical information that facilitates swift decision-making and enhances outcomes at every level. Currently, Peregrine serves hundreds of clients across over 30 states and two countries, impacting more than 125 million individuals, as we broaden our influence into the enterprise sector and international markets.Role OverviewWe are seeking a Senior Infrastructure Engineer to join our dynamic team, where you will be responsible for designing and implementing the infrastructure that underlies the Peregrine platform.Within our engineering division, we believe that empathy fosters superior solutions. Observing users interact with our product is a priority that guides us toward effective answers. Engineers will collaborate closely with our onsite team to grasp the varied use cases that Peregrine addresses. We emphasize strong ownership while promoting teamwork and ongoing feedback.In this role, you will utilize a diverse range of technologies to scale our platform, ensuring secure connections to client networks, while managing vast amounts of data. You will engage with a variety of complex challenges, including:Creating highly available and secure production environmentsDesigning scalable and secure network architecturesEnhancing the ingest engine for extensive data processingStreamlining the entire engineering lifecycleOur technology stack is continually evolving, currently based on AWS GovCloud, Kubernetes, Docker, Terraform, Pulumi, PostgreSQL, Redshift, Elasticsearch, and more.

Join our dynamic team at stemxpert1 as a Senior Frontend Developer. In this role, you will be responsible for designing and implementing user-friendly web applications using cutting-edge technologies. Your expertise will help us enhance our digital presence and deliver exceptional user experiences.

Become a Catalyst for Positive Change at Axon.At Axon, our mission is to Protect Life. We are pioneers, addressing society’s most pressing safety and justice challenges with our innovative ecosystem of devices and cloud-based software. Our collaborative culture thrives on openness and respect, embracing diverse perspectives from our customers, communities, and one another.Working at Axon is dynamic, rewarding, and impactful. Here, you will take charge and create genuine change, continuously evolving while contributing to a mission that truly matters at a company that values your presence.About PreparedAs of October 1, 2025, Prepared proudly became a part of Axon—a significant achievement for our team and the broader public safety landscape. United by the mission to Protect Life, Axon and Prepared are leading a transformative era in AI-powered emergency communication. Together, we’re bridging the gap between the initial call for assistance and the resolution in the field—equipping responders with the clarity they need when every moment is critical.The 911 system is the backbone of public safety in the United States. However, the professionals answering these crucial calls have long been hampered by outdated technology. Prepared aims to rectify this. Since our inception in 2021, we have utilized advanced AI to optimize millions of emergency calls across 49 states, serving over 90 million individuals and revolutionizing the possibilities in crisis response.At Prepared, you’re not just joining a team; you’re shaping the future of emergency services and contributing to a safer, more interconnected world.Position OverviewWe are looking for passionate and experienced frontend engineers who excel in building resilient, responsive, and seamlessly integrated web and desktop platforms. This is a unique opportunity to join a small, agile engineering team (approximately 40 engineers) and make a significant impact while enjoying a high degree of autonomy and ownership.This is a hybrid role, requiring you to be in our Manhattan office four days a week.While traditional software in 911 centers can be cumbersome and outdated, we are committed to designing seamless and intuitive user experiences that empower our users in their essential daily tasks. This position plays a crucial role in developing scalable, reusable, and high-performance user interfaces. You will collaborate closely with design and engineering teams to create engaging user experiences while ensuring our codebase remains clean, maintainable, and efficient.

Are you excited to be a part of a dynamic team that is shaping the future of decision-making? At Verneek, a pioneering deep-tech AI startup, we are on a mission to create the most valuable AI experiences for consumers. We believe in the transformative power of AI to enhance knowledge and deliver insights to individuals across the globe. Join us and be at the forefront of the AI revolution!If you are seeking to break free from monotonous projects and wish to immerse yourself in a vibrant startup environment where you can innovate, learn, and make an impact every day, Verneek offers the ideal opportunity. As a Frontend Engineer, you will be instrumental in developing intricate AI and NLP models that drive our AI platform.At Verneek, you will tackle unique, complex, and socially significant challenges. Being an early-stage startup, we are unencumbered by legacy systems, allowing your contributions to have a direct effect on our company’s success.

About UsBaton Corporation is at the forefront of technology innovation, developing and maintaining the complete tech stack behind pump.fun, the leading memecoin launchpad in operation today. Our systems are engineered for low latency, high throughput, and resilience under continuous load—precision is critical to our success.Your RoleIn the position of Senior Staff Frontend Engineer, you will take a hands-on approach while guiding the technical vision of our frontend platform. You will tackle complex frontend challenges, including performance under real-world conditions, scalability in architecture, and ensuring accuracy in intricate, stateful systems.Design and enhance large-scale frontend systems using React and Next.js that cater to hundreds of thousands, expanding eventually to millions of users.Develop and steer long-term frontend architecture strategies while actively contributing to pivotal components of the system.Take ownership of performance, reliability, and accuracy across essential user interactions, encompassing rendering performance, state management, caching, and data synchronization.Lead the architecture of frontend systems capable of managing real-time updates, blockchain state transitions, and high-frequency interactions without compromising user experience.Establish scalable patterns and abstractions to facilitate rapid iteration of products without increasing systemic complexity.Drive architectural decisions in collaboration with backend and Solana engineers, defining clear client-server boundaries and data contracts.Proactively identify scaling bottlenecks and redesign systems in anticipation of constraints.Oversee multi-quarter frontend projects from inception through design to deployment, monitoring, and subsequent iterations.Enhance engineering standards by implementing thorough design reviews, performance evaluations, testing protocols, and ensuring operational readiness.Boost developer productivity by refining tools, build systems, CI/CD processes, observability, and frontend infrastructure.Act as a technical leader during critical launches or incidents impacting core user flows.

ElectronX™ is a U.S.-regulated marketplace focused on direct access to electricity derivatives. Headquartered in New York City, with an office in Chicago, the company builds financial infrastructure and risk management tools for the U.S. energy sector. ElectronX is backed by venture capital partners including Innovation Endeavors, Systemiq Capital, Equinor Ventures, Shell Ventures LLC, DCVC, Amplo, BoxGroup, and Lightning Capital. ElectronX operates in the competitive world of quantitative capital markets. The team values resourcefulness, curiosity, and adaptability. Collaboration and entrepreneurial thinking are central to the company’s culture, and team members are expected to demonstrate intellectual resilience and a drive for technical excellence. Role overview The Senior Systems & Infrastructure Engineer will guide and improve the core platforms that power the ElectronX exchange. This position covers cloud infrastructure, containerized environments, observability, security operations, and networking. The engineer will join a lean, high-trust team with significant autonomy and direct impact on production systems. ElectronX seeks candidates who are committed to raising organizational standards. The right person approaches architectural challenges and support requests alike with a positive, solution-focused mindset. Clear communication, reliability, and sharing technical best practices are essential. What you will do Cloud Infrastructure: Design, deploy, and maintain multi-tiered cloud environments using infrastructure-as-code tools such as Terraform and Ansible. Manage container orchestration platforms, overseeing lifecycle management, autoscaling, ingress, persistent storage, and workload isolation. Establish and enforce cloud organization policies, Identity and Access Management (IAM), and key network security measures. Apply FinOps principles to optimize cloud spending and resource allocation.