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Senior Front End Engineer
Cambridge, Massachusetts, United States
$150k-$185k/yr OnsiteFull Time
10+ YOE10+ years frontend experience; expert in JavaScript/TypeScript; deep React knowledge; strong state management; build tooling; leadership and mentorship; frontend performance and accessibility.
JavaScript, TypeScript, React, Redux, MobX, Zustand, Webpack, Vite, esbuild, Jest, React Testing Library, Playwright, Cypress, GraphQL, WebSockets, Framer Motion, Accessibility (WCAG), CI/CD, Testing
1w
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Senior Frontend Engineer - Ostro
Boston, Massachusetts, United States
$110k-$270k/yr RemoteFull Time
5+ YOE5+ years building production SaaS frontend applications with deep React and modern frontend expertise; strong communication and cross-functional collaboration.
React, Javascript, Typescript, Tailwind, Material-UI, MobX, React Query, Zustand
2d
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Senior Frontend Engineer (Tech Lead)
Manchester, New Hampshire, United States
$188k-$250k/yr OnsiteFull Time
Expertise in React and TypeScript, frontend architecture, GraphQL/REST integration, performance and accessibility, proven technical leadership and large-scale frontend ownership.
React, TypeScript, GraphQL, REST, Next.js
2mo
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Senior Frontend Platform Engineer - Hybrid
Woonsocket, Rhode Island, United States
$100k-$125k/yr HybridFull Time
Senior or Lead frontend engineer focused on architecture and platform development; strong React and micro frontend experience; design scalable frontend systems; expertise in module federation and shared libraries.
React, Webpack, Vite, module federation, single-spa, build tools, SSR/CSR
1mo
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Senior Software Engineer (Frontend)
New York City or Boston
$185k-$215k/yr HybridFull Time
5+ YOE5+ years building production frontend software; deep fluency in TypeScript/JavaScript/CSS; strong command of React and Next.js; experience with design systems, state management, testing, and web performance; familiarity with AI/ML and LLM applications.
TypeScript, JavaScript, CSS, React, Next.js, Node.js, React Native
2mo
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Senior Front End Engineer (Angular, JavaScript)
Boston, Massachusetts, United States
$97k-$185k/yr OnsiteFull Time
5+ YOESenior Front End Engineer with Angular, JavaScript, TypeScript, RxJS, HTML/CSS; experience with NgRx/Redux; REST APIs; CI/CD; AWS/Docker; 5 years in software engineering; bachelor’s degree preferred.
Angular, JavaScript, TypeScript, RxJS, HTML, CSS/SCSS, NgRx, Redux, Playwright, Cypress, REST APIs, AWS, Docker, CI/CD
1w
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Staff Front End Engineer
Boston or Las Vegas or Pittsburgh or United States
$172k-$229k/yr HybridFull Time
Experienced frontend engineer with strong proficiency in React, TypeScript, and Vue; expertise in frontend architecture, UX, cross-team collaboration, and mentoring.
React, TypeScript, Vue, Node, Python
1mo
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Engineer III (Frontend)
Webster, Massachusetts, United States
$120k-$150k/yr OnsiteFull Time
5+ YOEBachelor's in CS/IT/Software Engineering required; 5+ years' relevant experience; front-end experience with Jutro, React, and Java; experience leading/mentoring engineers; Guidewire a plus.
Jutro, React, Java, Guidewire
1mo
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Senior Front End Software Engineer
Atlanta or Boston or Scottsdale or Seattle or Washington
$141k-$226k/yr OnsiteFull Time
6+ YOEBachelor's degree, 6+ years software development experience, expertise in JavaScript/TypeScript, HTML5, CSS3, Angular or React, Webpack, testing (Jest/Karma), large-scale web apps, AI-assisted development practices.
JavaScript, TypeScript, HTML5, CSS3, Angular, React, Webpack, Jest, Karma
2mo
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Principal Frontend Engineer (Modeling & Simulation)
San Francisco or Boston or United States
HybridFull Time
8+ YOE8+ years building front-end systems with deep React and TypeScript expertise, experience with Cesium and MUI, strong architectural judgment, and eligibility for U.S. Top Secret clearance.
TypeScript, React, Cesium, MUI
2mo
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Staff Software Development Engineer - Frontend
Woonsocket or Scottsdale or Hartford or Richardson or Alpharetta
$118k-$261k/yr HybridFull Time
7+ YOE7+ years frontend development with React/JavaScript/TypeScript; 3+ years testing frameworks; 3+ years CI/CD; frontend security and accessibility knowledge.
React, JavaScript, TypeScript, Jest, Cypress, Playwright, CI/CD, JxBrowser
1mo
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Senior Front End Software Engineer
Boston, Massachusetts, United States
$130k-$170k/yr RemoteFull Time
6+ YOE6+ years front-end experience with Angular, TypeScript, and RxJS/observables; experience building complex, data-driven web apps, working with asynchronous/streaming data; familiarity with Firebase, WebGL, Material Design, and Google Cloud preferred.
Angular, TypeScript, RxJS, WebGL, Firebase, Google Cloud, Material Design
2mo
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Senior Front End Software Developer (AI, React, JavaScript) - Remote US
Waltham or United States
$130k-$158k/yr RemoteFull Time
3+ YOE3-4+ years frontend JavaScript/React experience; UI/UX, Agile; experience with React/TypeScript and AI tooling; remote-friendly, collaborative.
JavaScript, TypeScript, React, AI tools
1mo
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Angular Front End Developer in Merrimack, NH (New York, NY, US)
Merrimack or New York
$100k-$130k/yr OnsiteFull Time
10+ YOE10+ years software development experience; strong expertise with Angular (18+), React, TypeScript, RxJS, Redux/NgRx, NodeJS/NestJS, GraphQL; experience with micro frontends, CI/CD, and test automation (Cypress, Playwright, Jest, Storybook).
Angular, React, RxJS, Redux, NgRx, TypeScript, Cypress, Playwright, Jest, Storybook, NodeJS, NestJS, GraphQL, CI/CD
1w
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Front End Software Engineer
Smithfield, Rhode Island, United States
$78k-$172k/yr OnsiteFull Time
6+ YOE6+ years Angular experience, 3+ years Node.Js, 2+ years Java (Spring Boot) preferred, strong RxJS/NgRx skills, test automation and AWS experience preferred, Bachelor's in computer science or related.
Angular, Node.Js, Java, Spring Boot, RxJS, NgRx, Angular CLI, Angular Material, CDK, HttpClient, Jest, Jasmine, Karma, Cypress, Playwright, AWS, Amazon CloudFront, S3, Lambda, API Gateway, Generative AI
2mo
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Senior ASIC Front End Infrastructure Engineer
Santa Clara or Westford or Austin or Durham
$184k-$357k/yr OnsiteFull Time
8+ YOE8+ years experience; Masters in Electrical Engineering, Computer Engineering, Computer Science or related; Python/Perl; AI tooling; Make; CI (Jenkins); strong problem solving; ASIC/CPU verification knowledge.
Python, Perl, Make, Jenkins
3d
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Senior Software Engineer, Frontend
United States or Atlanta or Boston
$170k-$190k/yr RemoteFull Time
Mastery of frontend web technologies (React, TypeScript), experience with mapping libraries, fullstack Node.js context, API design (REST/GraphQL/gRPC), PostgreSQL familiarity, and frontend performance optimization.
React, TypeScript, Node.js, Mapbox, Google Maps API, REST, GraphQL, gRPC, PostgreSQL, AWS
1w
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Front-End Software Engineer (React/Typescript)
Boston or New York City
HybridFull Time
8+ YOE8+ years front-end experience with React and Typescript, experience building data-rich apps, GraphQL familiarity, strong product/UX focus, and debugging/performance skills.
React, Typescript, GraphQL
2w
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Frontend C2 Systems Full Stack Developer
Hanscom Air Force Base, Massachusetts, United States
$113k-$257k/yr HybridFull Time
8+ YOE8+ years software development experience, lead/frontend expertise with React and TypeScript, REST/GraphQL integration, automated testing, CI/CD, containerized deployment, ability to obtain Secret clearance.
React, TypeScript, D3, Mapbox, Cesium, Jest, Cypress, GraphQL, REST, CI/CD
2w
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Frontend C2 Systems Full Stack Developer
Hanscom AFB or Hampton
$113k-$257k/yr OnsiteFull Time
8+ YOE8+ years software development experience with frontend expertise; React and TypeScript; accessibility (Section 508/WCAG); REST or GraphQL integration; automated testing, CI/CD, containerized deployment; ability to obtain Secret clearance.
React, TypeScript, Jest, Cypress, D3, Mapbox, Cesium, GraphQL, REST, SAST, DAST
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