Top Senior Front End Developer Jobs

The role involves developing single page applications with React.js and TypeScript, focusing on front end architecture, UI performance, and mentoring junior engineers in an Agile environment.

Design, develop, and maintain cloud-native front-end applications using JavaScript and TypeScript. Address concurrency and near-real-time requirements, ensure code quality via testing and reviews, collaborate in Agile teams, lead technical initiatives, and mentor junior developers while leveraging modern cloud and container technologies.

Provide technical leadership for frontend platform architecture across web and mobile. Evolve Angular-based applications, micro-frontends, shared component libraries, observability, analytics instrumentation, and performance. Collaborate with Product, UX, Security, and DevOps to design scalable solutions, improve release processes, troubleshoot production incidents, mentor engineers, and drive frontend modernization and standards.

Design and build a component-driven frontend and design system, implement semantic search and data visualizations, collaborate with designers and engineers, and define frontend best practices for complex data products.

Lead frontend and full‑stack projects across Marimo's open-source ecosystem. Design simple, powerful editor experiences, build performant data visualizations and editor extensions, engage with the community, triage issues, and balance community needs with product roadmap.

Build and scale Medal's Electron-based React frontend to support 100M+ users. Ship high-quality, performant features, own end-to-end implementation, profile production performance, run A/B tests and measure feature metrics, iterate quickly with product leadership and the community, and collaborate in-person with the NYC product team.

Develop and maintain user-facing web applications, translate UI/UX deliverables into responsive interfaces, integrate front end with microservices via REST/GraphQL, implement front-end performance and security best practices, write unit and end-to-end tests, and participate in Lean Agile workflows and testing efforts.

Design and implement user-facing web application components from UI/UX artifacts. Build responsive front-end with Bootstrap and modern JS frameworks, connect to back-end microservices via REST/GraphQL, write unit and end-to-end tests, optimize performance and security, follow Lean Agile, and mentor teammates.

Build and maintain high-performance, accessible frontend applications within a microservices architecture. Design reusable UI components, integrate with backend REST services, optimize UI performance, support database querying, use version control, and work in an Agile environment on customer site.

Lead front-end architecture and build high-performance React/TypeScript web applications, integrating with back-end APIs, ensuring type safety, testing, CI/CD, scalability, and UX for AI-driven orchestration workflows.

Build and ship production frontend features using modern web technologies (Vue.js/TypeScript). Collaborate with product in a cross-functional squad to iterate UX, deliver secure, stable code, and create reusable, testable components. Operate in an AI-first workflow using agentic tools, participate in Git-based development, and apply basic AWS services to solve business problems.

Design, build, and optimize responsive, high-performance front-end interfaces for a Web3 DEX using modern JavaScript frameworks and TypeScript. Collaborate with designers, product, and back-end teams to integrate blockchain APIs and smart contracts, mentor junior developers, troubleshoot issues, and contribute to mobile-first/PWA development while ensuring scalability and maintainability.

Lead frontend development for an AI-driven finance automation platform: build a scalable React+TypeScript design system and interactive UIs (workflow builders, action libraries, observability dashboards, data type management), integrate REST APIs, collaborate with product/design/backend, and own features end-to-end while providing backend support when needed.

Develop and maintain front-end features for a B2B eCommerce site using Angular, TypeScript/NgRx, HTML/CSS and JavaScript. Integrate REST APIs and third-party platforms (AEM, Adobe Target, Bazaarvoice, Klaviyo). Build responsive, SEO-friendly, CMS-driven components, troubleshoot performance/usability issues, and collaborate with design and stakeholders to deliver time-sensitive site updates.

Design, develop, and maintain high-performance frontend web applications for real-time data visualization. Build UIs and data pipelines, improve 24/7 mission-critical apps, fix defects and vulnerabilities, participate in architecture and Agile processes, and mentor team members.

Design, develop, and maintain high-stakes frontend applications for exchange and Web3 wallet platforms. Collaborate with design, backend, and product teams to translate requirements, implement security and performance optimizations, and integrate blockchain/Web3 frameworks (Ethers.js, Web3.js, Wagmi). Build developer toolkits, monitor errors, and stay current on DeFi, DEXs, and on-chain trading technologies.

Build and optimize high-traffic, responsive web applications and hybrid in-app pages. Implement user-facing features, improve performance and scalability, and create libraries/frameworks to accelerate development and enhance code quality.

Build and maintain high-performance web3 wallet and DEX-related frontend applications using React and TypeScript. Collaborate with design, backend, and product teams, create reusable libraries, optimize performance, and ensure code quality, scalability, and responsiveness across desktop and mobile browsers.

Build and maintain React/TypeScript frontend features for a multi-chain DEX trading platform. Collaborate with product and backend teams, debug and optimize UI performance, and stay current on DeFi/Web3 trends while leveraging AI tools to improve development efficiency.

Lead technical design, development, and performance optimization for the Stablecoin frontend. Improve responsiveness, compatibility, security, and user experience while coordinating with product managers and ensuring frontend stability.

Design, build, and maintain high-performance web applications for a crypto wallet platform. Participate in full product lifecycle: requirements, design, coding, testing, deployment, documentation, and support. Implement responsive, user-facing features, optimize for speed and scale, and develop libraries/frameworks to improve development efficiency and code quality while collaborating with PM, DevOps, QA, and peers.

Lead front-end development for cloud-based business software, collaborating with product and design across the SDLC. Define architecture and best practices, mentor teams, ensure performance and scalability, troubleshoot incidents, and advocate for UX while leveraging data to inform decisions.

Join Goodie AI's AI Lab to design and build scalable front-end solutions and contribute to backend infrastructure and DevOps. Lead React development, collaborate with designers and data scientists, integrate APIs, ensure performance, and participate across the full application lifecycle to deliver high-quality AI platform features.

Senior front-end developer role requiring extensive UI/frontend development experience building responsive, cross-browser web apps. Work with JavaScript/TypeScript, HTML5/CSS3/SCSS, RESTful APIs, AG Grid, GraphQL, and integrate front-end components with backend services. Use front-end build tools and Git, apply UI/UX best practices, unit testing, and design patterns to deliver highly interactive, scalable, resilient, low-latency applications. React exposure preferred.

Lead front-end development with Angular (v10+), building reusable components and integrating Angular apps with AEM (headless, content fragments, Sling Models). Collaborate with designers and back-end teams, ensure performance, accessibility, and SEO, participate in design discussions and code reviews, and maintain testing and CI/CD practices.