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273 senior react engineer jobs at 153 companies in Manchester, NH

2mo
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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
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2mo
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Senior Software Engineer, Lab Software
Cambridge, Massachusetts, United States
$144k-$210k/yr OnsiteFull Time
Lila Sciences
Lila Sciences: Develops an AI platform for autonomous scientific research and discovery.
5+ YOESenior backend-focused software engineer with 5-8+ years of experience building large-scale systems; full-stack development; Python, FastAPI, React, TS, SQL/NoSQL; cloud, AWS, Kubernetes; collaboration with scientists.
React, TypeScript, Tailwind, FastAPI, SQL, NoSQL, Python, Pydantic, AWS, Kubernetes, Terraform, CloudFormation, GitHub Actions, Airflow, Prefect, Temporal, Dagster
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3mo
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Senior Software Engineer
Boston, Massachusetts, United States
$140k-$160k/yr HybridFull Time
Grand Circle Corporation
Grand Circle Corporation: Provides international adventure travel and cruises for senior citizens.
5+ YOE5–8+ years full-stack engineering; C#/.NET or Java; React/TypeScript; APIs; SQL; Git; CI/CD; Azure; Agile; secure coding.
C#, Java, React, TypeScript, SQL, Git, CI/CD, Azure, Cloud
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2mo
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Senior Software Engineer
Merrimack or Smithfield
OnsiteFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
Senior software engineer with RESTful APIs, JavaScript frameworks, databases, SDLC, CI/CD, mentoring, and strong OO design.
JavaScript, Angular, AngularJS, Backbone.js, React.js, CSS3
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6d
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Software Engineer, React Focus
Nashua, New Hampshire, United States
$118k-$201k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
6+ YOERequires 6+ years building production software, 4+ years with TypeScript/JavaScript and Node, deep React expertise, system-level design ownership, mentoring, strong writing, and ability to obtain a DoD Secret clearance as a U.S. citizen.
TypeScript, JavaScript, Node, React, Next.js, gRPC, Protocol Buffers (protobuf), Turborepo, Nx, REST, Playwright, AG Charts, D3, Storybook, CI/CD
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1mo
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Senior Platform Engineer
Somerville, Massachusetts, United States
OnsiteFull Time
AgZen
AgZen: AI-powered precision agriculture technology for optimized crop spraying.
5+ YOE5+ years software engineering, bachelor's in CS or equivalent, strong Go, cloud infra (Terraform,AWS), Docker, TypeScript/React, bare-metal Linux, platform/tooling and distributed systems experience.
Go, Terraform, AWS, Docker, TypeScript, React, React Router, Linux
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2mo
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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
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1mo
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Senior Software Engineer - Computational Platform
Watertown, Massachusetts, United States
$154k-$200k/yr HybridFull Time
Dyno Therapeutics
Dyno Therapeutics: Designs AI-powered AAV vectors for targeted gene therapy delivery.
6+ YOE6+ years software engineering experience; cloud (GCP/AWS), Terraform, Kubernetes/Docker, data modeling, Python, React/JavaScript, strong engineering best practices and security.
GCP, AWS, Terraform, Kubernetes, Docker, Python, React, JavaScript, SQL, ETL, LLMs
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3mo
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Senior Software Engineer
Boston, Massachusetts, United States
$140k-$165k/yr HybridFull Time
Pixability
Pixability: Optimizes video ad performance across YouTube and Connected TV.
6+ YOE6+ years of professional software engineering; strong backend with Python; data pipelines or large-scale systems; production web apps, APIs, distributed systems; React frontend; MySQL/Snowflake; AWS; Docker, Terraform, CI/CD; testing; collaborative; Boston office 2 days/week.
Python, React, AWS, Docker, Terraform, CI/CD
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Senior Full Stack Engineer
Boston, Massachusetts, United States
$126k-$154k/yr HybridFull Time
Blue Cross Blue Shield of Massachusetts
Blue Cross Blue Shield of Massachusetts: Provides health and dental insurance plans and managed care.
8+ YOESenior software engineer with emphasis on test automation, QA governance, and full-stack development.
Cypress, Selenium, Playwright, Appium, BrowserStack, LoadRunner, JMeter, Gatling, Angular, React Native, Android Native, iOS Native, REST APIs, SpringBoot, Confluent Kafka, Splunk, Splunk Observability, New Relic, LogRocket, AWS CloudWatch, Performance Insights, Drupal, Akamai, F5
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3mo
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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
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2mo
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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
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2mo
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Senior Front End Engineer
Cambridge, Massachusetts, United States
$150k-$185k/yr OnsiteFull Time
Blitzy
Blitzy: Autonomous AI platform for enterprise software development.
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
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2mo
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Senior Software Engineer
Waltham, Massachusetts, United States
$147k-$198k/yr OnsiteFull Time
Markforged
MarkforgedNYSE: MKFG: Manufacturer of industrial 3D printing systems, software, and materials.
5+ YOE5+ years experience building and shipping high-quality full-stack software; Bachelor's in Computer Science or equivalent; strong JS/TS skills; React/Angular/Vue; Node.js/Express or Python frameworks; UX design basics; AWS/CI/CD; PostgreSQL; Figma; WebGL/Three.js; CAD/CAM knowledge.
Node.js, Express, React, Angular, Vue.js, Python, Django, Flask, AWS, GCP, Azure, PostgreSQL, Figma, WebGL, Three.js, D3, CAD/CAM
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3w
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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
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1w
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Senior Full Stack Engineer
Boston, Massachusetts, United States
$120k-$160k/yr HybridFull Time
Owl Labs
Owl Labs: Manufacturer of AI-powered 360-degree video conferencing devices.
BS/MS or strong portfolio; deep experience across frontend, backend, cloud, and IoT; expertise with React, TypeScript migrations, testing, CI/CD, and AWS; strong communication and mentoring skills.
React, Vite, TypeScript, Playwright, Cypress, AWS Lambda, Amazon ECS, API Gateway, Amazon S3, IAM, PostgreSQL, DynamoDB, MQTT, WebSocket, AWS IoT Core, Amazon SQS, Amazon SNS, Amazon EventBridge, CloudWatch, X-Ray, Honeycomb, Bitbucket, Claude, Codex
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3mo
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Senior Software Engineer
Boston or Chicago or Dallas or San Francisco
$120k-$150k/yr OnsiteFull Time
JLL
JLLNYSE: JLL: Global commercial real estate and investment management services.
7+ YOE7+ years in full stack software engineering; Python and Node.js; API/microservices experience; front-end frameworks; cloud (Azure/AWS/GCP); AI/RAG knowledge a plus; CI/CD and testing.
Python, Node.js, React, Angular, Docker, Kubernetes, Git, GitHub, Azure DevOps, SQL Server, CosmosDB
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2mo
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Senior Engineer, Software Infrastructure
Wilmington, Massachusetts, United States
$110k-$152k/yr OnsiteFull Time
Analog Devices
Analog DevicesNASDAQ: ADI: Designs and manufactures semiconductors for signal processing and power management.
Experience in web frontend/backEnd, React, TypeScript, Node.js REST APIs, Backstage, Git/GitHub, Docker, cloud (AWS/Azure/GCP), testing (Jest/Playwright/Cypress), CI/CD, SBOMs, Agile software development.
React, TypeScript, JavaScript, Node.js, REST APIs, Backstage, Git, GitHub, Docker, AWS, Azure, GCP, Jest, Playwright, Cypress, CI/CD, SBOMs
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2w
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Senior Quantitative Developer
Boston, Massachusetts, United States
$150k-$170k/yr HybridFull Time
Man Group
Man GroupLondon Stock Exchange: EMG: Global alternative investment management and systematic trading services.
5+ YOE5+ years software engineering experience for quantitative applications; expert Python and Pandas; Linux and Git proficiency; experience with large datasets, production systems, and relevant databases.
Linux, Python, NumPy, SciPy, Pandas, statsmodels, scikit-learn, Java, MongoDB, MS SQL, Postgres, Control-M, Airflow, Kafka, Bitbucket, Jenkins, Grafana, Prometheus, ELK, Docker, OpenStack, Ansible, Slack, React, Spark, Dask, Kubernetes, Redis, ArcticDB, Git
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2d
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Senior Software Engineer
Boston or Costa Mesa
$191k-$253k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOERequires 5+ years of software engineering experience, a technical degree, full-stack expertise, enterprise platform experience, JavaScript, React, TypeScript, and U.S. Person status.
Forge, Lattice OS, JavaScript, React, TypeScript, NextJS, ERP, MES, WMS, CRM
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