Top Front End Developer Jobs in Boston, MA

Design and build a scalable, responsive UI; lead frontend architecture and optimization; apply UI/UX best practices; integrate with backend APIs; ensure high web performance and deploy user-facing features.

Build high-quality, maintainable frontend software with a small collaborative team. Advise client teams on modern development practices, create scalable applications, apply test-driven development, and continually improve technical skills through ongoing learning.

Lead frontend engineering initiatives for Grafana’s DataViz squad, from problem framing through rollout and measurement. Build and improve visualization features using TypeScript, React, uPlot, and eCharts; mentor engineers; contribute to design reviews and technical proposals; participate in on-call and incident response; support customer escalations; and collaborate across squads. The role also emphasizes open-source contribution, observability expertise, pragmatic AI-assisted development, and effective remote communication.

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.

Build and maintain patient- and provider-facing applications using SvelteKit, Tailwind, and TypeScript. Develop Android and iOS progressive web applications, extend PWAs with Kotlin and Swift plugins, integrate CGMs and Apple HealthKit, and consume secure APIs. Collaborate with backend engineers, designers, and clinical experts to deliver accessible, reliable, performant, and patient-safe healthcare experiences.

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.

Build and maintain fast, intuitive frontend applications for blockchain and Web3 products. Collaborate with product, design, and engineering teams; develop reusable components and frontend architecture; integrate wallets and smart-contract interactions; improve performance, reliability, and accessibility; participate in technical planning and code reviews; mentor other developers and establish frontend best practices.

Build, test, and optimize responsive web applications using Next.js and React. Collaborate with designers and back-end developers, implement UI/UX designs, write clean maintainable code, and debug front-end issues to ensure high performance across devices and browsers.

Build and maintain responsive, accessible React/NextJS web interfaces and support Chrome extension development (Manifest V3). Integrate with backend APIs or WebSockets, optimize performance, write tests, perform code reviews, monitor and document extension and web app behavior, and collaborate with cross-functional teams.

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.

Own frontend domains end to end, including architecture, implementation, testing, production quality, performance, accessibility, and security. Set technical direction, design reusable component systems, establish testing strategies, diagnose complex browser and production issues, and partner with Product, Design, QA, and engineering teams. Mentor engineers, review consequential changes, and use AI-first development practices while maintaining accountability for shipped software.

Leads frontend architecture strategy across products, directs design-system platform development, establishes quality, security, accessibility, performance, and testing standards, and creates tooling and guardrails for engineering teams. Sets AI-native frontend practices, improves production health, aligns Engineering, Product, Design, and QA, and develops senior engineers into broader technical ownership. The role remains hands-on for high-risk technical work while emphasizing organizational-scale technical direction.

Develop and maintain frontend components for transaction forms and eSign products using React and modern web technologies. Write tested, secure, high-performance code; improve monitoring and operational reliability; participate in on-call rotations, code reviews, planning, and design discussions. Deliver features independently, collaborate on complex designs, and become a subject matter expert on internal components while partnering cross-functionally with product and design teams.

Design, develop, test, and maintain complex distributed software systems with strong frontend expertise. Lead design and code reviews, translate requirements into scalable and secure solutions, guide sprint delivery, remove impediments, collaborate with stakeholders, and mentor engineers. The role emphasizes modern web applications, APIs, microservices, cloud platforms, containerization, DevSecOps, and technical strategy.

Build production React and TypeScript applications for an AI-powered hardware development platform. Develop shared component libraries, design systems, structured engineering-data interfaces, AI agent experiences, dashboards, and real-time project visibility. Write unit and end-to-end tests, integrate APIs and client SDKs, contribute to frontend architecture, conduct code reviews, and help establish engineering best practices while working closely with product and backend teams.

Build and ship polished, accessible, high-performance front-end features for Deepgram's Console and Playground. Partner with product and design to translate ideas into incremental releases, improve internal tools, and uphold front-end engineering standards through code reviews and design discussions.

Lead frontend-focused software architecture and development for a scalable real estate transaction platform. Own complex technical projects, improve reliability and operational excellence, reduce technical debt, and integrate AI, data pipelines, telemetry, and automated delivery practices. Collaborate with product and design teams, influence business decisions, mentor and recruit engineers, and build fault-tolerant, well-tested systems using modern frontend and cloud technologies.

Build and own interactive web experiences across Chat, Notes, Calendar, Docs, and Sheets. Develop reusable frontend architecture, real-time collaboration, rich-text editing, scheduling, tables, spreadsheets, and streaming AI integrations. Partner with product, design, backend, and AI engineering teams to deliver reliable, accessible, high-performance experiences across browsers and devices.

Develops modern, responsive, accessible front-end interfaces, reusable component libraries, templates, and interactive features for federal and DoD-aligned IT environments. Collaborates with UX, backend, CMS, and product teams on API integrations, performance optimization, accessibility compliance, cross-browser troubleshooting, documentation, code reviews, and Agile delivery. Requires an active Secret clearance, bachelor’s degree, and at least seven years of front-end development experience.

Develop and maintain responsive front-end interfaces for federal and DoD-aligned digital properties. Responsibilities include UI and CSS updates, Section 508/WCAG accessibility improvements, content-driven template and component changes, cross-browser testing, performance optimization, design system support, code reviews, and deployment validation. The developer collaborates with UX, design, content, and backend teams while following enterprise brand, security, documentation, and version-control standards.

Develop responsive, accessible enterprise user interfaces using HTML, CSS, and JavaScript. Build interactive components, translate UX designs into production code, integrate APIs, ensure WCAG and Section 508 compliance, troubleshoot cross-browser issues, optimize performance, and support component libraries. Collaborate with designers, backend engineers, analysts, and product owners in Agile environments while documenting standards and implementations.

Own frontend architecture for React and TypeScript applications supporting complex research and analytics workflows. Build performant, accessible interfaces; establish standards for performance, testing, accessibility, and CI quality gates; evolve shared component libraries and design systems; partner on API contracts; address technical debt; contribute to Django services; and mentor engineers while leading department-wide technical initiatives.

Build mission-critical frontend features for civil aviation: develop fast, maintainable React/TypeScript interfaces, real-time map-based visualizations with Mapbox/Maplibre/Google Maps, and leverage WebGL/WebGPU/ThreeJS and WebAssembly for accelerated rendering and performance.

The Frontend Engineer role involves developing scalable web applications using Angular, ensuring high-quality user experiences, optimizing performance, and collaborating with backend teams. Responsibilities include code reviews, testing, and supporting deployment processes.

Lead frontend architecture and development for an AI-powered voice platform. Build responsive dashboards and reusable components, integrate real-time WebSocket and WebRTC voice capabilities, consume AI backend APIs, manage complex application state, and optimize performance, accessibility, and reliability. Mentor frontend developers, establish coding standards, collaborate with designers and backend teams, and develop prototypes, testing strategies, and production-ready interfaces.