382 react jobs at 200 companies in Londonderry, NH

2mo
Save
Mark Applied
Hide
GHR Full Stack Developer (React) – AVP
Quincy, Massachusetts, United States
$90k-$158k/yr OnsiteFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
5+ YOE5–10+ years in full stack development; strong React/TypeScript; API design; AWS deployment; Workday integrations; SDLC and Agile experience.
React, TypeScript, REST, GraphQL, AWS, Workday, CI/CD
3w
Save
Mark Applied
Hide
Full Stack Engineer (React Native)
Boston, Massachusetts, United States
HybridFull Time
Blink
Blink: Mobile-first employee experience platform for frontline workforces.
Extensive TypeScript experience across React Native and React, backend proficiency in Java/Scala, SQL, strong architecture, UI craft, testing/CI/CD, and scalability skills.
TypeScript, React Native, React, Java, Scala, SQL, Docker, Kubernetes, Grafana
1w
Save
Mark Applied
Hide
Front-End Software Engineer (React/Typescript)
Boston or New York City
HybridFull Time
Beacon Biosignals
Beacon Biosignals: Provides AI-powered EEG monitoring and analytics for brain health.
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
1mo
Save
Mark Applied
Hide
Senior Full Stack Engineer(React, Node.JS)
Boston, Massachusetts, United States
$155k-$175k/yr RemoteFull Time
Linus Health
Linus Health: Digital health platform providing AI-powered cognitive assessment tools.
5+ YOE5+ years software engineering experience with expertise in React and Node.js, 3+ years building RESTful services, strong JS/TypeScript tooling experience, frontend performance optimization, and excellent communication.
React, Node.js, JavaScript, TypeScript, Webpack, Vite, Babel, ESLint, Jest, Cypress, Playwright, React Native, iOS, Swift, D3, Victory, Recharts, Temporal, Aurora Postgres, Java
1mo
Save
Mark Applied
Hide
Senior Full Stack Engineer (Java/React)
Dedham or Taunton
$137k-$145k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
5+ YOEBachelor's in Software Engineering or related field and 5+ years experience (or Master's +3). Requires DoD Secret clearance and U.S. citizenship. Experience with Java, React/JavaScript, SQL/PostgreSQL, Hibernate, Spring; REST APIs; Agile preferred.
Java, React, SQL, PostgreSQL, JavaScript, Hibernate, Spring, Wildfly, REST API, RESTCONF, Material UI, SNMP, Public Key Infrastructure (PKI), Digital Certificate
2mo
Save
Mark Applied
Hide
Senior Front End Software Developer (AI, React, JavaScript) - Remote US
Waltham or United States
$130k-$158k/yr RemoteFull Time
Revvity
RevvityNYSE: RVTY: Sells laboratory equipment and diagnostic tests for healthcare research.
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
Save
Mark Applied
Hide
Software Engineer (Fullstack)
New York City or Boston
$185k-$225k/yr HybridFull Time
Counsel
Counsel: Provides AI-powered virtual medical consultations through asynchronous messaging.
2+ YOE2+ years professional experience; proficiency with React, TypeScript, Next.js, React Native, Postgres/Supabase, HTML/CSS (Tailwind), and AWS; experience building consumer-facing products and enterprise integrations.
React, TypeScript, Next.js, React Native, Postgres, Supabase, HTML, CSS, Tailwind, AWS
1mo
Save
Mark Applied
Hide
Mobile Engineer (SF)
San Francisco or Cambridge
HybridFull Time
General Medicine
General Medicine: An online store for upfront-priced medical care and consultations.
3+ YOE3+ years building mobile apps with production React Native experience; comfortable with Swift or Kotlin; experience with Expo, TypeScript, React, and Next.js; familiarity with backend tech (Ruby on Rails, Postgres) is a plus.
React Native, Swift, Kotlin, Expo, TypeScript, React, Next.js, Ruby on Rails, Postgres, SQL, HealthKit, EHR
1mo
Save
Mark Applied
Hide
Senior Software Engineer, Mobile
Bethesda or Waltham
$140k-$220k/yr HybridFull Time
ZoomInfo
ZoomInfoNASDAQ: GTM: Provides B2B contact data and sales intelligence software.
6+ YOE6+ years mobile development experience with React Native, strong JavaScript/TypeScript skills, state management (Redux/MobX), testing (Jest, React Native Testing Library), cross-platform iOS/Android production experience, and mentoring ability.
React Native, JavaScript, TypeScript, Redux, MobX, Jest, React Native Testing Library, RESTful APIs, GraphQL, Node.js, CI/CD
2mo
Save
Mark Applied
Hide
Jr/Mid/Senior/Staff Software Engineer, Applications
Boston, Massachusetts, United States
$105k-$300k/yr RemoteFull Time
AcuityMD
AcuityMD: Commercial intelligence platform for the medical technology industry.
2+ YOE2+ years as a software engineer; full-stack with TS/React/NodeJS; data-driven; eligible to work in USA.
JavaScript, TypeScript, React, GraphQL, Node.js, Python, SQL, BigQuery, Google Cloud Platform
2mo
Save
Mark Applied
Hide
Full Stack Software Engineer (XR Applications)
Watertown, Massachusetts, United States
$90k-$190k/yr OnsiteFull Time
Tutor Intelligence
Tutor Intelligence: Builds AI-powered robots for automated warehouse packaging and sorting.
Strong Python and React experience; capable of designing and deploying frontend interfaces and cloud infrastructure; experience in robotics or XR is a plus.
Python, React, Cloud Computing, GPU Rendering
2mo
Save
Mark Applied
Hide
Manager I, Engineering - Data Visualization Explorations
Boston or New York
$187k-$240k/yr HybridFull Time
Datadog
DatadogNASDAQ: DDOG: Observability and security platform for cloud applications and infrastructure.
2+ Mgmt2+ years people management in software, strong TypeScript/JavaScript, React, excellent communication, customer-focused, ownership mindset
TypeScript, JavaScript, React
2mo
Save
Mark Applied
Hide
Senior Software Developer
Boston, Massachusetts, United States
$150k-$200k/yr RemoteFull Time
Interra Health
Interra Health: Provides digital tools for ePrescribing and pharmacy price transparency.
10+ YOE10+ years in .NET (C#) and React; Azure; SQL Server; API design; CI/CD; agile; regulatory experience preferred.
.NET Core (C#), React, TypeScript, Azure, MS SQL Server, OAuth2, JWT, GitHub Actions, Azure DevOps, Docker, Kubernetes, OpenTelemetry, App Insights, CI/CD
1w
Save
Mark Applied
Hide
Senior Full Stack Engineer
Somerville, Massachusetts, United States
$120k-$165k/yr OnsiteFull Time
AgZen
AgZen: AI-powered precision agriculture technology for optimized crop spraying.
5+ YOEBachelor's or equivalent,5+ years engineering experience,proficiency in JavaScript/TypeScript and React,Python or Go preferred,experience with SQL/ORMs.
JavaScript, TypeScript, React, Python, Go, SQL, ORMs
1w
Save
Mark Applied
Hide
Staff Front End Engineer
Boston or Las Vegas or Pittsburgh or United States
$172k-$229k/yr HybridFull Time
Motional
Motional: Develops autonomous vehicle technology for driverless ride-hailing and delivery.
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
2mo
Save
Mark Applied
Hide
Senior Application Engineer (REMOTE or HYBRID TO MA)
Worcester, Massachusetts, United States
$101k-$126k/yr HybridFull Time
The Hanover Insurance Group
The Hanover Insurance GroupNYSE: THG: Provides property and casualty insurance products and services.
5+ YOESenior software developer with 7+ years of experience, skilled in React and Java/Spring Boot, strong communication, and ability to manage multiple priorities.
Java, Spring Boot, React, Docker, Kubernetes, GitHub Copilot, CI/CD, AWS, Azure, GCP
3d
Save
Mark Applied
Hide
Senior Frontend Engineer (Tech Lead)
Manchester, New Hampshire, United States
$188k-$250k/yr OnsiteFull Time
Meltwater
Meltwater: Global media intelligence and social analytics platform for businesses.
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
1w
Save
Mark Applied
Hide
Senior Frontend Engineer - Ostro
Boston, Massachusetts, United States
$110k-$270k/yr RemoteFull Time
Veeva Systems
Veeva SystemsNYSE: VEEV: Cloud-based software solutions for the global life sciences industry.
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
3mo
Save
Mark Applied
Hide
Software Engineer II (Full Stack, Platform)
Boston, Massachusetts, United States
$125k-$175k/yr OnsiteFull Time
WHOOP
WHOOP: Wearable technology for personalized health and performance tracking.
3+ YOE2–4 years experience; JS/TypeScript, React, Node.js; REST APIs; i18n, RTL; UI components; CI/CD; collaboration.
JavaScript, TypeScript, React, Node.js, REST APIs, PostgreSQL, MySQL, CircleCI, GitHub Actions, Figma, CSS, WCAG, Storybook, i18n, RTL, BiDi
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Boston, Massachusetts, United States
OnsiteFull Time
Levo
Levo: A building AI-powered workforce platform for healthcare providers.
3+ YOE3-6 years software engineering; React, TypeScript, Python; experience with LLMs and agentic workflows; product-minded; shipping production systems.
React, TypeScript, Python, LLMs, APIs, CI/CD