Top Senior Front-End Engineer Jobs in Boston, MA

As a Senior Frontend Engineer, you'll lead frontend technical delivery and build React-based applications, collaborating with AI engineers and other teams to create trusted enterprise-ready product experiences.

The Senior Frontend Engineer will implement and launch features for Slush Wallet, update frontend architecture, and collaborate with design and product teams.

The role involves modernizing the front end stack, migrating to a monorepo architecture, developing component libraries, and improving cross-platform mobile applications while collaborating with product and design teams.

Design and implement pixel-perfect, high-performance web applications from wireframes to production. Collaborate with designers, PMs, and engineers, iterate on architecture and best practices, explore AI/ML integrations, and contribute to a collaborative engineering culture.

The role involves developing new user-facing features for LangSmith, optimizing components, and collaborating with developers and designers to enhance usability.

Join the frontend team to design and implement complex, real-time, data-driven web applications using Angular and observables. Collaborate with product and engineering to deliver scalable, reliable cloud-based features, handle asynchronous/streaming data, and contribute frontend business logic. Full-stack and Firebase experience is a plus.

Senior front-end engineer to build scalable, real-time, data-driven web applications using Angular, TypeScript, RxJS, and WebGL. Collaborate with product and engineering teams, implement complex UIs and asynchronous/streaming data interactions; full-stack knowledge and Firebase/GCP familiarity are a plus.

Lead frontend design and implementation for patient and physician products, shape frontend architecture (design systems, state, testing, performance), integrate AI/LLM features with backend/ML teams, and deliver polished, accessible, high-performance interfaces in a hybrid NYC/Boston environment.

This role involves leading web platform initiatives, mentoring senior engineers, architecting web applications, and implementing technical strategies for improved performance.

As a Senior Frontend Engineer, you will design and build web applications, owning major UI projects, collaborating with cross-functional teams, and optimizing performance for a seamless user experience.

The Senior Frontend Engineer will build and enhance core product experiences using Angular 2+ and React, ensuring high-quality code and collaboration with other teams.

The role involves designing and building user interfaces for industrial automation systems, improving frontend architecture, collaborating with backend engineers, and ensuring quality through testing and code reviews.

Design, implement, and deliver high-quality, performant frontend interfaces. Collaborate with cross-functional teams, optimize for SEO and user experience, and mentor junior engineers.

Lead frontend development initiatives, ensure user experience, architect flexible solutions, mentor junior developers, and collaborate with UI/UX and backend teams.

Design and implement front-end features, build high-quality user interfaces, take ownership of product and architecture decisions, collaborate with engineering team, and deliver performant, user-focused solutions.

Build and ship full-stack features for North, develop autonomous agents that access sensitive enterprise data, productionize state-of-the-art models, write minimal, secure low-resource code, and collaborate with researchers to deploy performant RAG/agentic applications while prioritizing security and user experience.

Develop responsive, well-tested web applications and lead frontend engineering initiatives while fostering technical excellence and improving frontend practices.

The role involves developing large-scale applications using HTML, CSS, JavaScript, and React/WordPress, code reviews, and crafting UI components while ensuring high quality and accessibility.

Build and ship performant, polished frontend features using React/TypeScript. Refactor code incrementally, implement smooth animations, contribute to backend Node.js APIs when needed, use AI-assisted tools, own production deployments, and collaborate directly with CTO/CPO on product and design.

As a Senior Design Engineer, you will build and evolve the design system and frontend components, collaborate with teams, ensure code quality, and improve developer experience.

As a Senior Design Engineer at Benepass, you will build and evolve the design system, collaborate with Design and Product teams, and drive high-quality frontend development while improving developer experience.

The Senior Software Engineer will develop features for Phantom's web platforms, lead new product initiatives, interface with users, and contribute to team culture.

The Senior Front End Software Developer will create secure, performant, cross-platform applications, collaborate on feature implementations, and ensure code usability and testing, with a focus on design and structure.

As a Senior ASIC Front-End Design Engineer, you will oversee digital SoC design, collaborating to create automotive communication semiconductors, ensuring target performance and area goals are met.

As a Senior Frontend Software Engineer, you'll develop user-facing features using React and TypeScript, ensuring performance and cross-device compatibility while collaborating with teams to maintain a component library.