Top Senior Front End Developer Jobs

Develop and maintain scalable React and TypeScript frontend applications for clinical healthcare workflows. Build reusable accessible components, integrate GraphQL and REST APIs, migrate legacy architectures, optimize performance, troubleshoot UI issues, and support testing, deployment, documentation, and engineering standards. Collaborate with product, design, and backend teams while using Node.js, AWS, and related tooling to deliver a unified frontend platform.

Develop and maintain frontend software applications across the full software development lifecycle. Design frontend architectures, user interfaces, and product roadmaps; collaborate with product, design, and engineering teams; conduct code reviews; mentor junior developers; resolve technical issues; and support secure, scalable full-stack solutions using modern frameworks, databases, containers, CI/CD tools, and monitoring platforms.

Build and own Kotlin/Android interfaces connecting customers with robotics capabilities, while developing React/Next.js web applications for partners and support staff. Integrate frontend systems with Go microservices, manage API lifecycles and client state, establish architecture and testing standards, and contribute to CI/CD and platform decisions. The role is hybrid in New York City and requires close collaboration with UX, robotics, backend, and product teams.

Build performant, accessible front-end interfaces for AI agents, dashboards, conversational user interfaces, and visualization tools. Collaborate with designers, AI engineers, and backend developers to create scalable components, optimize cross-browser experiences, and iterate on UX using testing, feedback, and usage data.

Build and own frontend product experiences for exploring, visualizing, sharing, and embedding data. Design and implement APIs, SDKs, and interfaces consumed by external customers. Partner with product, design, engineering, and customers to scope integrations, ship iteratively, and represent embed customer needs. The role requires strong JavaScript and TypeScript skills, independent delivery of production software, familiarity with data or business intelligence tools, and proficiency with AI coding workflows.

Build and optimize high-performance Vue 3 and Node.js SSR applications for a large-scale real estate marketplace. Responsibilities include improving Core Web Vitals, hydration, rendering, caching, JavaScript runtime performance, SEO, and scalability. The role involves profiling applications, implementing SSR/CSR strategies, writing tested code, reviewing architecture, mentoring engineers, collaborating across teams, and using AI-assisted development tools.

Build responsive Web3 applications, web SDKs, developer tools, reusable frontend components, and internal Customer Success tools. Collaborate with Product, Design, and Engineering to create scalable, accessible user experiences. Contribute to code and design reviews, automated testing, continuous delivery, coding standards, and AI-assisted development practices.

Build and architect responsive frontend interfaces for a quantum security platform. Translate complex network and security data into accessible dashboards, topology visualizations, investigations, reporting workflows, and remediation experiences. Collaborate with product, backend, QA, and solutions teams; optimize performance, maintain design systems, conduct usability testing, establish frontend standards, and mentor engineers.

Own frontend architecture for mission-critical React and TypeScript applications that visualize complex cyber operation data in real time. Lead UI technical direction, build interactive visualization systems, establish reusable component patterns, improve performance and reliability, and mentor engineers. Collaborate with product, design, backend, and operations teams to deliver secure, scalable capabilities for cloud and on-premises environments.

Build and scale high-quality frontend features for a large gaming platform serving more than 100 million users. Develop primarily with React in an Electron application, collaborate with leadership and the gaming community, and ship features rapidly. Own complex features end to end, optimize production performance, use profiling tools, and measure outcomes through A/B testing and usage metrics. The role is based in New York City with five days per week in the office.

Design and architect Android systems and modular components to support multiple apps. Ship end-to-end user features using an AI-assisted workflow, improve developer tooling and CI, set quality and safety standards for AI-generated code, solve performance and production issues, and document playbooks for the team.

Build high-performance React and TypeScript interfaces for real-time cyber operation data. Own frontend features end-to-end, contribute to architecture, develop interactive visualizations, write automated tests, optimize performance and reliability, and collaborate with product, design, backend, and operations teams. The role also includes code reviews, technical debt reduction, and supporting other engineers through pairing and feedback.

Build high-performance React and TypeScript interfaces for real-time cyber operation data. Responsibilities include frontend architecture, interactive visualizations, automated testing, performance optimization, reliability improvements, code reviews, and cross-functional collaboration. The role owns significant features end to end and supports other engineers while delivering secure, accessible software for cloud and on-premises environments.

The Senior Frontend Engineer will own the editing experience, improve performance, support real-time collaboration, and work with design and customers on UI enhancements.

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.

The Senior UI/UX Frontend Developer will design and develop front-end solutions, lead development efforts, and optimize user experiences, ensuring standards compliance and enhancing performance.

Develop and maintain user interfaces and interactive web applications, ensuring usability and accessibility while collaborating with design and backend teams. Lead technical deliverables and optimize front-end performance in an Agile environment.

Build and maintain scalable frontend applications supporting vehicle sales and operational workflows. Own features end-to-end from technical design through production, integrate backend APIs and third-party services, optimize performance and accessibility, contribute to shared component libraries, and collaborate with product, design, and engineering teams. The role also involves architectural leadership, code reviews, secure development practices, and using AI-assisted tools to improve engineering velocity.

Develop and enhance LangSmith frontend features using React and TypeScript. Build reusable components, translate designs into high-quality interfaces, optimize performance across browsers and devices, and collaborate with backend, full-stack, and UX/UI teams to improve usability and product quality.

Own and deliver major consumer-facing web and mobile features from technical design through experimentation and launch. Drive frontend architecture, performance, accessibility, testing, observability, and design-system standards. Build conversion-critical discovery, seat-selection, and checkout experiences, interpret A/B tests, mentor engineers, and collaborate with product, design, backend, mobile, and platform teams.

Own and evolve shared frontend infrastructure across web and mobile, including design systems, UI libraries, data layers, notifications, backend-for-frontend services, release automation, CI/CD, QA tooling, and performance improvements. Build AI-powered developer tools, lead large-scale migrations, contribute to product engineering, deliver high-quality tested code, document architecture, review code, and mentor engineers across teams.

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.