Top Senior Front End Developer Jobs

Build scalable React and TypeScript web applications for a fintech platform. Develop reusable component libraries and design systems, translate complex financial workflows into intuitive interfaces, integrate with APIs and microservices, improve performance and testing, and guide frontend architecture. Collaborate closely with Product and Design while working with complex financial data and partially defined requirements.

Develop and maintain responsive front-end web applications for a defense and intelligence training data platform. Translate UI/UX designs into user-facing components, integrate interfaces with backend services through RESTful APIs or GraphQL, optimize performance, implement secure communications, manage code with Git, and create unit, integration, and end-to-end tests. Collaborate with designers, engineers, Agile teams, and end users throughout the software development lifecycle.

Build and improve Harmonic’s frontend platform for reliability, performance, scalability, and developer productivity. Responsibilities include resolving production issues, optimizing large-data rendering and bundles, implementing monitoring and observability, establishing testing strategies, creating reusable abstractions, driving technical migrations, making architecture decisions, and mentoring engineers.

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

Build and enhance Ramp’s marketing website, brand design system, and reusable component library. Partner with designers, engineers, paid advertising, and growth teams to create interactive experiences, conduct landing-page A/B tests, and drive lead generation. The role requires strong frontend and design engineering skills, responsive design expertise, and close attention to implementation details.

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.

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.

Architects, builds, documents, and maintains cross-platform design system foundations and web components. Owns repositories, release workflows, CI pipelines, automation, testing, documentation, and adoption measurement. Leads AI-assisted engineering workflows and governance while coaching contributors, supporting product teams, ensuring accessibility, and mentoring engineers. Collaborates closely with designers and engineers across platforms and helps migrate components into consuming applications.

As a Front-End Software Engineer, you will build AI-powered interfaces, tackle complex design problems, and collaborate across teams to enhance user experiences. Responsibilities include mentoring, implementing responsive UI, and engaging with AI technologies.

Senior Front-End Vue Developer focused on building and maintaining Vue.js applications, collaborating with teams, optimizing performance, and mentoring others.

Develop and sustain front-end interfaces for intelligence reporting and geospatial collaboration tools. Responsibilities include enhancing Section 508 accessibility, redeveloping user interfaces, integrating and troubleshooting application interfaces, and performing software development, testing, maintenance, and problem resolution using Java, GWT, PrimeFaces, Quarkus, HTML, CSS, and JavaScript.

Build and maintain frontend products and tools across the Brex stack. Collaborate with engineers and customer-facing teams, design experiments, own user experience and technical outcomes end to end, and improve scalability, operability, and performance. The role involves architecting, developing, and testing client-side applications while contributing to cross-functional projects and long-term technical vision.

Build and maintain frontend products, features, and scaling tools across the Brex stack. Collaborate with engineering, sales, support, product, design, and operations teams; design experiments; own user experience, data models, scalability, operability, and metrics; and lead complex cross-functional initiatives while maintaining high engineering standards.

Build and maintain frontend products and tools across the Brex stack using modern client-side technologies. Collaborate with engineers and user-facing teams, design experiments, own features end to end, and optimize user experience, scalability, operability, and metrics. The role also involves leading cross-functional projects and contributing to long-term technical vision.

Own and advance fomo’s mobile Expo app and web React Router/Vite app. Build new order types, asset classes, and social features while working autonomously across the stack when appropriate. Collaborate with a crypto-native engineering team and contribute to a fast-growing product in an in-person NYC environment.

Own and ship polished frontend and full-stack product features for student and teacher experiences. Partner with product and design teams, shape technical direction, improve frontend quality and performance, design APIs, and contribute throughout development, testing, rollout, and support. Mentor engineers, communicate technical tradeoffs, and work in a fast-paced startup environment. The role requires strong React and TypeScript expertise, backend fundamentals, and in-person work four days weekly in San Francisco or New York City.

Develop front-end web applications from concept through production using JavaScript or TypeScript frameworks. Build Node.js solutions, conduct usability analysis, create automated unit and end-to-end tests, collaborate with software teams, solve complex problems, and improve system architecture. The role requires a Top Secret clearance and the ability to obtain Security+ or CISSP certification within 30 days.

Lead the design, development, testing, optimization, and operation of accessible React-based web and mobile experiences. Own frontend architecture and delivery, integrate GraphQL and REST APIs, improve performance and reliability, build reusable components, monitor production systems, and mentor engineers. Collaborate with product, design, backend, and analytics teams to create healthcare experiences that help members manage care and understand costs.

Build and own high-performance, customer-facing frontend applications using React, Redux, and TypeScript. Integrate AI-powered features, establish AI development guardrails, optimize scalability and reliability, and maintain design systems, testing standards, and continuous delivery practices. Collaborate with product, design, and backend teams while mentoring engineers and driving features from concept through production.

Mochi Health seeks a Senior Front-End Engineer to build and own complex healthcare interfaces, ensuring a seamless user experience and managing client-side architecture. Responsibilities include collaborating with mobile teams, maintaining frontend reliability, and integrating AI into products.

As a Senior Frontend Engineer, you will design and develop user interfaces for the Confido platform, ensuring performance and usability while collaborating with backend engineers and stakeholders.

As a Senior Front End Software Engineer, you will develop user interfaces and APIs for data-intensive applications, ensuring usability and performance while mentoring other engineers.

Lead frontend architecture and development for customer-facing vehicle purchasing experiences, including configuration, trade-in, financing, leasing, and delivery. Build performant, accessible interfaces; guide component libraries, design systems, rendering strategies, and API integrations. Drive technical initiatives through design documents and reviews, improve frontend performance and resilience, collaborate with product and design, mentor engineers, and establish scalable engineering standards.

Develop and maintain Java-based applications for a US Government client. Build front-end features with JavaScript and CSS, enhance Apache Struts applications, troubleshoot defects, collaborate across teams, and follow federal security, documentation, and development standards.

Build and maintain responsive, accessible front-end interfaces within Drupal 10 for operational and experimental space weather websites. Develop reusable components, integrate dashboards and scientific data visualizations, collaborate with backend developers, and optimize interfaces across browsers, devices, and viewports. The role requires strong UI/UX engineering, modern web technologies, Drupal theming, accessibility compliance, and experience translating complex scientific data into intuitive user experiences.