Top Front End Developer Jobs in Boston, MA

Senior frontend-focused software engineer responsible for authentication, verification, and fraud experiences across web, mobile, and backend systems. The role owns team goals, designs and delivers highly available systems, collaborates with product and design partners, improves engineering standards, supports operations and on-call efforts, and mentors engineers. Candidates should have strong web application architecture experience, proficiency with React or Vue and JavaScript or TypeScript, and excellent communication skills.

Own the technical direction and architecture of WHOOP’s growth-focused web experiences, including join flow, checkout, and shop. Lead cross-functional projects, design A/B tests, improve performance and accessibility, integrate payment and ecommerce systems, and ensure reliability through monitoring and incident response. Mentor engineers, review technical plans and code, lead postmortems, and contribute to engineering processes and documentation.

Build and maintain performant, responsive, mobile-first web applications using Next.js, React, and Tailwind CSS. Translate product goals into polished member-facing experiences, prototype and ship features with AI-assisted workflows, integrate RESTful APIs, and collaborate with product, design, and backend teams. Establish frontend best practices for architecture, accessibility, performance, and maintainability while contributing to UX decisions and navigating ambiguous problems.

As a Frontend Software Engineer, design, develop, and deploy web applications, collaborate with UX engineers, and implement user-friendly interfaces.

Own end-to-end frontend development for core crypto payment flows across web and mobile. Improve latency, availability, and SLOs; build user-facing features (contacts, real-time transaction status); identify and fix performance bottlenecks; partner with product/design/backend; mentor junior engineers to reduce customer friction at scale.

Develop and maintain scalable frontend solutions using JavaScript, Angular, and React. Collaborate with cross-functional teams, contribute to architecture, conduct code reviews, uphold security and performance standards, and support cloud-based platforms. Diagnose technical issues, improve system reliability, mentor teammates, and promote DevOps, continuous delivery, design patterns, and software engineering best practices.

Lead frontend development for Coinbase identity experiences including login, signup, OAuth, account security, and multi-factor authentication. Own projects from design through deployment and monitoring, guide Native versus Webview architecture, author technical designs, resolve systemic technical debt, lead on-call and incident response, and mentor engineers.

Lead the architecture and delivery of large-scale React and React Native applications across web and mobile. Establish frontend standards for performance, accessibility, reliability, and maintainability; build shared component libraries and design systems; resolve complex frontend and cross-stack issues; partner with product, design, and backend teams; and mentor engineers while shaping technical strategy across multiple product areas.

Build, maintain, and enhance secure frontend applications using TypeScript and React.js. Responsibilities include analyzing requirements, documenting technical specifications, creating test plans, writing and reviewing code, debugging, releasing software, developing web-based replacements for legacy applications, integrating APIs, demonstrating features to stakeholders, and improving development tools and processes.

Build and maintain React and TypeScript web applications for EEG analytics, clinical study management, and at-home patient diagnostics. Own user experience, performance, reliability, and observability while designing data-rich workflows and interactive visualizations. Collaborate asynchronously with product designers and cross-functional teams, contribute to roadmap direction, and develop scalable GraphQL consumers. The role involves supporting clinical operations, physician workflows, and diagnostic reporting.

Build and maintain high-performance Vue.js interfaces controlling automated restaurant robotics. Develop real-time WebSocket communication, manage complex reactive state, translate Figma designs into intuitive tools, and optimize frontend performance under heavy data loads. Collaborate with software, hardware, product, and design teams while learning additional technologies such as Elixir and Phoenix.

Volunteer Principal Front End Developer to build React/React Native web and mobile features, mentor engineers, implement scalable full‑stack solutions, ensure cross‑browser compatibility and testing, work with Node/MongoDB/AWS, attend weekly standups, and support a fundraising launch. Minimum 4 hours/week commitment.

Develop and enhance interactive enterprise planning, reporting, and analytics web applications using SAP Analytics Cloud and front-end technologies. Responsibilities include implementing UI/UX components, integrating REST APIs and data formats, improving application performance and scalability, reviewing requirements, documenting changes, participating in code reviews, and collaborating with technical teams. The role supports a federal customer remotely and requires Public Trust clearance and U.S. citizenship.

Develop and support interactive enterprise planning, reporting, and analytics web applications using SAP Analytics Cloud and front-end technologies. Responsibilities include building UI/UX components, reviewing requirements and designs, consuming REST APIs, optimizing performance and scalability, debugging, documenting changes, participating in code reviews, and collaborating with technical teams. The role supports a federal customer remotely and requires Public Trust clearance and U.S. citizenship.

Develop and enhance interactive front-end web applications for the Budget and Spend solution using SAP Analytics Cloud and JavaScript. Responsibilities include building planning and reporting applications, implementing UI/UX components, integrating REST APIs and data formats, improving performance and scalability, documenting changes, conducting code reviews, and collaborating with technical teams.

Develop and support front-end web applications for a Budget and Spend solution using SAP Analytics Cloud and JavaScript. Build interactive planning, reporting, dashboard, and analytics features; review requirements, implement UI/UX components, optimize performance and scalability, consume REST APIs, document changes, participate in code reviews, and collaborate with team members. The remote role supports a Washington, DC customer and requires Public Trust clearance and U.S. citizenship.

Develop and support interactive front-end web applications for the Budget and Spend solution using SAP Analytics Cloud and JavaScript. Build planning and reporting applications, create UI/UX components, integrate REST APIs and data formats, optimize performance and scalability, document changes, review code, and collaborate with technical teams. The role is remote, supports a federal customer, and requires Public Trust clearance and U.S. citizenship.

Lead front-end technical strategy for Coinbase Advanced trading platform: define and execute a scalable roadmap, deliver a low-latency interface across web and mobile, mentor engineers, anchor complex projects, and ensure high standards for code quality and system design.

Develop user interfaces for air traffic systems, focusing on map-based applications and real-time data processing.

Develop modern web applications focusing on UI components using React while ensuring performance, accessibility, and cross-browser compatibility.

Build high-performance, responsive, and accessible frontend applications across e-commerce, B2B, and internal tools using Next.js, React, and TypeScript. Implement design-system components, optimize Core Web Vitals, add animations, support A/B testing, collaborate in a monorepo with backend teams, and design interfaces for AI agents with real-time streaming and error handling.

3-month contract Frontend Engineer to build client-facing UIs and integrations for cybersecurity use cases. Collaborate with product, design, and engineering to deliver secure, performant, scalable features, maintain component libraries and automated tests. Remote (GMT+8) role focused on TypeScript and modern web tooling.

Build and own end-to-end frontend experiences for Coinbase card products across web and mobile. Ship high-scale consumer features, improve payment flow performance and SLOs, reduce latency and CX contacts, mentor engineers, and collaborate with product, design, and backend teams to deliver reliable, user-focused card functionality.

Build and ship a new dealer-facing product across the full stack: develop, test, and deploy high-quality code; maintain and improve core systems; and collaborate with product and data teams from design through measurement.

Architect and develop scalable frontend applications supporting sales and operational workflows. Lead frontend architecture, frameworks, tooling, accessibility, security, testing, performance, and maintainability. Mentor engineers, guide technical roadmaps, lead large projects, collaborate with product, design, backend, and platform teams, and modernize internal platforms. The role also champions pragmatic AI-assisted development and supports early-stage product evolution in a complex transactional domain.