Top Front End Developer Jobs in Boston, MA

The Principal Front-End Engineer will enhance the Growth team's platform and infrastructure by developing tools, managing applications, and ensuring a high-quality user experience across projects.

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

Lead frontend architecture and strategy across web and mobile, build high-performance React and React Native applications, develop shared component libraries and design systems, optimize performance and accessibility, mentor engineers, collaborate with product/design/backend teams, and resolve complex cross-stack issues.

Lead design and delivery of cross-platform applications using Flutter/Dart. Architect scalable, maintainable code, enforce standards, integrate with backend APIs, optimize performance, and contribute to CI/CD and automated testing. Mentor junior engineers, conduct code reviews, troubleshoot complex issues, collaborate with product and design, and influence technical roadmaps to deliver high-quality mobile and web experiences.

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

The Senior Software Engineer will lead web experience architecture, mentor engineers, manage technical projects, and enhance frontend performance and reliability through data-driven decision making.

The Software Engineer II (Frontend) will design and develop user experiences for WHOOP's digital products, focusing on responsive web applications and collaboration across teams.

Develop innovative UI and web systems, managing project priorities and deadlines while working within a collaborative team environment.

As a Software Engineer I on the Growth team, you'll develop and maintain frontend applications, implement experiments, and improve user experiences while collaborating closely with cross-functional teams.

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.

The Staff Frontend Engineer will develop user-facing features, enhance performance, mentor junior engineers, and collaborate with product leadership and design teams.

Design, build, and maintain scalable frontend applications using Vue 3 and TypeScript. Own feature delivery from design through production, build reusable components and architecture, improve performance and accessibility, collaborate with backend teams on APIs, write tests, mentor engineers, and help shape frontend tooling, CI/CD, observability, and security practices.

This role involves architecting and building scalable web applications using React and TypeScript, ensuring high-quality user interfaces, driving frontend architecture decisions, optimizing performance, and collaborating with designers and backend engineers.

The Staff Front End Engineer will lead technical direction, improve app features, mentor engineers, and collaborate with cross-functional teams using React Native.

Design and implement frontend applications using JS, CSS, React, and Flutter. Collaborate on technical specs and contribute to documentation, ensuring user experience and performance.

Front end developers ensure web design and user experience alignment, optimize web pages, and maintain brand consistency, collaborating with various teams.

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

Own front-end development of web applications using React and TypeScript. Build reusable components, collaborate with design/backend/AI teams, integrate APIs, optimize performance and accessibility, and iterate via A/B testing and analytics.

As a Senior Frontend Engineer at Cinch, you'll lead the modernization and performance optimization of React-based user interfaces, collaborate with cross-functional teams, and architect scalable UI systems with a focus on AI-driven experiences.

The Front End Engineer will lead teams in front-end development, establish coding standards, consult on architecture, and ensure high-quality web applications.

Design and implement frontend components for the Solidity compiler, optimize performance, develop integration layers, and collaborate with researchers to enhance security features.

The Frontend Developer will design, build, and enhance user interfaces, collaborate with project teams, maintain responsive designs, debug issues, and ensure high performance.

Mark43 seeks an experienced Front-End Engineer to design and implement scalable cloud-based software. Responsibilities include collaborating with product teams, coding with React and Typescript, and improving software architecture.

Build high-performance, real-time Angular frontends for AI-driven agent workflows. Implement SSE/WebSocket streaming, advanced state management (Signals/NgRx/Akita), interactive visualizations (Canvas/SVG), HITL components, and performance optimizations. Collaborate with backend and AI engineers on JSON schemas and API contracts. Ensure quality via unit and E2E tests (Cypress).

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.