Top Front End Developer Jobs in Boston, MA

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

As a Senior Software Engineer, you will design and implement software solutions, support integration and testing, and collaborate across teams to address national security challenges.

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.

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.

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.

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

Build and maintain web platforms for restaurant discovery, onboarding, and data quality. Collaborate with engineers, PMs, designers, and researchers; work full-stack when needed; ship impactful features; run experiments with guests and restaurants; champion development, deployment, and quality best practices.

The Staff Frontend Engineer will develop shared frontend libraries, enhance performance, and manage a design system to improve user experiences.

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 architecture and development of a high-performance, responsive trading web app using React/Next.js/TypeScript. Own features, optimize performance (mobile-focused), integrate real-time data/WebSockets, maintain clean code, and collaborate with founders and cross-functional teams to drive product decisions.

The Front-End Developer will create user interfaces using Vue.js, optimize application performance, collaborate with teams, and maintain code quality through testing and reviews.

Develop and maintain WordPress websites, create custom themes and plugins, ensure cross-browser compatibility, and optimize for SEO. Provide guidance on user experience and explore new technologies.

The Front-End Engineer will develop and optimize production React applications, collaborating with cross-functional teams to deliver high-quality UIs and maintain component libraries.

Develop user-facing features using Vue.js, collaborate with back-end engineers, optimize performance, maintain code quality, and stay updated on blockchain trends.