131 react engineer jobs at 69 companies in Gardner, MA
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React Developer_CVS_Woonsocket, RI
Woonsocket or Rhode Island
$40k-$140k/yr OnsiteFull Time, Contract
Photon: A career site recruiting technology professionals and contractors.
Expertise with React 18+, JavaScript (ES6+), and TypeScript; state management (Redux Toolkit, Context API, Zustand); application telemetry (Application Insights/OpenTelemetry); testing with Jest and React Testing Library; performance optimization.
React, React 18+, JavaScript (ES6+), TypeScript, Redux Toolkit, Context API, Zustand, Application Insights, OpenTelemetry, Jest, React Testing Library
2d
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Software Engineer, React
Nashua, New Hampshire, United States
$65k-$110k/yr HybridFull Time
Bachelor's degree or equivalent practical experience; JavaScript/TypeScript and frontend framework experience, preferably React; Git, testing, and project-building experience; ability to obtain DoD Secret clearance and U.S. citizenship.
React, TypeScript, JavaScript, Git, JIRA, Storybook, Node.js, Jest, Vitest, Playwright, Cypress, gRPC, Protocol Buffers (protobuf)
1mo
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Senior Full Stack Engineer (Java/React)
Dedham, Massachusetts, United States
$157k-$170k/yr OnsiteFull Time
8+ YOE8+ years software engineering experience (or Master's+6yrs), bachelor’s in software engineering/STEM, DoD Secret clearance and U.S. citizenship, Java/React experience, SQL/PostgreSQL, EM tools, strong communication and leadership.
SQL, PostgreSQL, Java, JavaScript, React, Hibernate, Spring, WildFly, REST, RESTCONF, Material UI, SNMP, Public Key Infrastructure, AI
3w
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Senior Software Engineer - Computational Platform
Watertown, Massachusetts, United States
$154k-$200k/yr HybridFull Time
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
3w
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Senior Platform Engineer
Somerville, Massachusetts, United States
OnsiteFull Time
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
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
6d
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Software Engineer: Infrastructure (Early Career)
Cambridge, Massachusetts, United States
$150k-$170k/yr HybridFull Time
Lightfield: AI-powered CRM automating customer interaction capture and insights.
Experience with TypeScript, React, Next.js, Node.js, Apollo GraphQL, and PostgreSQL; degree in Computer Science or related field; familiarity with LLMs; strong software engineering fundamentals and communication.
TypeScript, React, Next.js, Node.js, Apollo GraphQL, PostgreSQL
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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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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
3mo
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Lead Bioinformatics Engineer (Hyrbid)
Marlborough, Massachusetts, United States
$155k-$175k/yr HybridFull Time
7+ YOEBS with 7+ yrs, MS with 4+ yrs, or PhD with 3+ yrs in clinical/biological data; 5+ yrs in regulated life sciences; 4+ yrs software/engineering.
Python, JavaScript, TypeScript, R, Terraform, AWS CDK, Docker, Git, GitLab CI/CD, GitHub CI/CD, Flask, React, Bootstrap, Jupyter, R Markdown, ggplot2, tidyverse, Plotly, matplotlib, Tableau, d3.js
1w
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Software Engineer 3
Agoura Hills or Chicago or Santa Barbara or Atlanta or Needham
$89k-$136k/yr HybridFull Time
Experienced engineer with foundational software skills; familiarity with Java, Scala, Kotlin, TypeScript, AWS, Kubernetes, Kafka, and React; hybrid 3 days/week; must be authorized to work in the US without sponsorship.
Java, Scala, Kotlin, TypeScript, Amazon Web Services, Kubernetes, Kafka, React
2mo
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Principal Software Engineer
Waltham or North Bethesda
$200k-$225k/yr HybridFull Time
8+ YOE8–12+ years of software development; expert in Python, React/TypeScript, AWS; strong system architecture and enterprise integration experience; Bachelor's degree in CS/Engineering or related field.
Python, React, TypeScript, AWS
1mo
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Mobile Engineer (SF)
San Francisco or Cambridge
HybridFull Time
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
2mo
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Fullstack Lead Application Engineer
New York City or Waltham
$160k/yr HybridFull Time
Full stack engineer lead with Agile experience; strong TS/Node, Python, React, SQL; AI/agentic tooling; excellent communication.
Typescript, Node.js, Python, React, SQL, PostgreSQL, Claude Code, Copilot, Cursor
3w
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Staff Fullstack Engineer
Somerville, Massachusetts, United States
$140k-$170k/yr HybridFull Time
Strong object-oriented Python experience, backend API and distributed systems expertise, fullstack experience with backend focus, history shipping production systems and greenfield products.
Python, React
2w
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Software Engineer III
Waltham, Massachusetts, United States
$112k-$176k/yr HybridFull Time
5+ YOE5+ years experience, BS in Computer Science or equivalent, strong Java/Spring and microservices experience, MySQL/Mongo, GCP or AWS, CI/CD (Jenkins), familiarity with Hadoop/Elastic/Apache Beam; strong problem solving.
MySQL, Mongo, Spring, Java, Angular, React, Node-js, Python, Typescript, JavaScript, Google Cloud Platform (GCP), AWS, Hadoop, Solr, Lucene, Elastic search, Apache Beam, Jenkins
2mo
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Senior Software Engineer, App
Cambridge or San Francisco
$144k-$240k/yr HybridFull Time
5+ YOEBachelor’s or Master’s in CS/Engineering; 5-8+ years backend/full-stack exp; React, TypeScript, FastAPI, Python; AWS, Kubernetes; AI tooling; strong collaboration.
React, TypeScript, Nx, Tailwind, FastAPI, Python, Pydantic, SQL, NoSQL, AWS, Kubernetes, Terraform, GitHub Actions
1mo
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Software Engineer: Full-Stack Web Developer
Cambridge, Massachusetts, United States
$110k/yr OnsiteFull Time
5+ YOEBachelor's in engineering or CS, 5+ years full-stack web development, expertise in React/Node.js/Python, AWS services, SQL/NoSQL databases, web security and compliance (GDPR/HIPAA), experience with Docker and CI/CD.
Android Studio, Gradle, SDK, C/C++, Java, XML, Subversion (SVN), Git, Android, iOS, AES-256, SSL/TLS, HIPAA, HITECH, CES, HTML5, CSS3, React, Angular, Vue, Node.js, Python, Django, AWS EC2, AWS S3, AWS Lambda, AWS RDS, OAuth2, Tableau, Microsoft Power BI, PostgreSQL, MySQL, MongoDB, DynamoDB, DocumentDB, Docker, RESTful API
1mo
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Staff Software Engineer- Payroll Platform
Lowell, Massachusetts, United States
$130k-$186k/yr HybridFull Time
6+ YOE6+ years software engineering experience building large-scale distributed systems; expert Java, React, TypeScript; experience with SQL/NoSQL, cloud-native platforms (Azure/AWS/GCP); familiarity with AI/LLMs and observability; BS in CS or equivalent.
Java, React, TypeScript, SQL, NoSQL, Microsoft Azure, AWS, Google Cloud Platform, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), vector databases, agentic frameworks
2w
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Software Engineer, R&D Cytology
Marlborough, Massachusetts, United States
$87k-$136k/yr OnsiteFull Time
1+ YOEBS/MS in Computer Science or equivalent, 1+ years related experience (MS+1 or BS+3), full-stack development experience, familiarity with SDLC, experience in cross-functional teams; medical device experience a plus.
TypeScript, React, .NET, MSSQL, C#, WPF, Python, PowerShell, Visual Studio, GitHub, JIRA, Code Review Tools, Windows Desktop / Server, Azure, Google Cloud Platform, DICOM, HL7, OpenSeadragon, GitHub Copilot
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