44 reactjs developer jobs at 21 companies in Athol, MA

2mo
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Senior Software Engineer
Waltham, Massachusetts, United States
HybridFull Time
SS&C Technologies
SS&C TechnologiesNasdaq: SSNC: Provides software and technology for financial and healthcare sectors.
5+ YOE5+ years of software development; full-stack SaaS experience; clean, maintainable code; strong communication; able to work in fast-paced environment.
TypeScript, JavaScript (Node.js), Python, Java, React, Spring Boot, Express, Flask, REST, GraphQL, gRPC, Protobuf, AsyncAPI, PostgreSQL, MongoDB, Cassandra, Redis, Docker, Kubernetes, Helm, Ansible, Terraform, OpenTofu, OpenTelemetry, Prometheus, Splunk, Dynatrace, Git
3w
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Backend C2 Systems Full Stack Developer
Hanscom AFB or Hampton
$113k-$257k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
8+ YOE8+ years software development experience including backend/services, microservices, relational and NoSQL datastores, message/streaming platforms, containerization, frontend (React), CI/CD, and eligibility for Secret clearance.
Java, .NET, C#, Python, Go, Kafka, React, AWS, Kubernetes, Prometheus, Grafana, OpenTelemetry
3w
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Frontend C2 Systems Full Stack Developer
Hanscom Air Force Base, Massachusetts, United States
$113k-$257k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
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
1mo
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Application Engineer (HYBRID TO MA)
Worcester, Massachusetts, United States
$82k-$105k/yr HybridFull Time
The Hanover Insurance Group
The Hanover Insurance GroupNYSE: THG: Provides property and casualty insurance products and services.
3+ YOEBachelor's in CS/CE, 3+ years software development, US work authorization without sponsorship, strong SDLC knowledge, problem solving, communication, and experience with backend, frontend, AI integrations, Azure, containers, and CI/CD.
Java, Spring Boot, Microservices architecture, RESTful APIs, React, Angular, HTML, CSS, JavaScript, TypeScript, MySQL, PostgreSQL, SQL Server, Oracle (12c+), CosmosDB, Jenkins, GitHub Actions, Dynatrace, AppDynamics, New Relic, Python, Bash, Azure AI Foundry, Azure OpenAI, Cognitive Services, Microsoft Azure, App Services, Function Apps, Application Insights, Managed Identity, Redis, Ehcache, Docker, Kubernetes, CI/CD
1mo
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Application Engineer (HYBRID TO MA)
Worcester, Massachusetts, United States
$82k-$105k/yr HybridFull Time
The Hanover Insurance Group
The Hanover Insurance GroupNYSE: THG: Provides property and casualty insurance products to individuals and businesses.
3+ YOEBachelor's in CS/CE, 3+ years software development, US work authorization without sponsorship, experience with Java/Spring Boot, front-end frameworks, databases, Azure, containerization, CI/CD, monitoring, scripting, and strong communication.
Java, Spring Boot, Microservices, RESTful APIs, React, Angular, HTML, CSS, JavaScript, TypeScript, MySQL, PostgreSQL, SQL Server, Oracle (12c+), CosmosDB, Python, Bash, Azure AI Foundry, Azure OpenAI, Cognitive Services, App Services, Function Apps, Application Insights, Managed Identity, Redis, Ehcache, Docker, Kubernetes, Jenkins, GitHub Actions, Dynatrace, AppDynamics, New Relic, CI/CD
1mo
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Senior Full Stack Engineer
Framingham, Massachusetts, United States
$110k-$130k/yr HybridFull Time
Sincere
Sincere: Builds technology for celebrations and sharing digital memories
7+ YOE7+ years professional software development; experience across Ruby on Rails, TypeScript, React/Next.js, relational and NoSQL databases, cloud infrastructure (AWS), containerization, and AI-assisted tools; strong product and UX focus.
Ruby on Rails, TypeScript, React, Next.js, MySQL, Postgres, Redis, MongoDB, Sidekiq, OpenSearch, AWS, Docker, Claude Code, Codex, Datadog, Mixpanel, Terraform
1mo
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Principal Engineer - Digital Experience
Milford, Massachusetts, United States
$110k-$183k/yr OnsiteFull Time
Waters Corporation
Waters CorporationNYSE: WAT: Designs analytical instruments for laboratory testing and research.
8+ YOE8+ years AEM development, strong Java/J2EE, JavaScript/TypeScript and React skills, experience with AEM as a Cloud Service, Adobe Edge/Analytics/Launch, Marketo, REST/GraphQL, GitHub and CI/CD, Akamai and web performance/SEO/accessibility.
Adobe Experience Manager (AEM), AEM as a Cloud Service (AEMaaCS), Adobe Edge Delivery Services, Adobe Analytics, Adobe Launch, Marketo, React, Java, J2EE, JavaScript, TypeScript, HTML5, CSS3, REST APIs, GraphQL, GitHub, Cloud Manager, CI/CD, Akamai CDN, Sling, OSGi, Dispatcher
1mo
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Lead Bioinformatics Engineer
Marlborough or Addison or Secaucus
$155k-$175k/yr RemoteFull Time
Quest Diagnostics
Quest DiagnosticsNYSE: DGX: Provides clinical laboratory diagnostic testing and health information services.
3+ YOEBS+7 / MS+4 / PhD+3 experience with clinical/biological data, 5+ years in regulated life sciences, 4+ years software development, cloud (AWS) and bioinformatics experience, programming in Python/JavaScript/R, SQL/NoSQL, Terraform, Docker.
SQL, NoSQL, JSON based RESTful APIs, AWS, Terraform, AWS CDK, Microsoft Visio, DrawIO, Python, javascript/typescript, R, Docker, Python Flask, React Native, Bootstrap, R Markdown, Jupyter Notebook, ggplot2, tidyverse, Plotly, matplot lib, Tableau, d3.js, Git, Gitlab CI/CD, Github CI/CD
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
1mo
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Software Engineer
Cambridge or Concord
$110k-$120k/yr HybridFull Time
KAYAK
KAYAK: Global travel search engine for flights, hotels, and rentals.
5+ YOE5+ years software engineering experience, strong Java skills, API and SQL/MySQL experience, ability to design and deliver backend systems, cross-functional collaboration, mentoring, and CS degree or equivalent.
Java, RESTful APIs, SQL, MySQL, JavaScript, React, HTML, CSS
2mo
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Intermediate Level Software Engineer - Nashua, New Hampshire, United States
Nashua, New Hampshire, United States
$90k-$110k/yr HybridFull Time
Jacobs
JacobsNYSE: J: Global provider of professional engineering and technical services.
2+ YOEBachelor's degree in computer science or related field; 2+ years software development; US citizen; ability to obtain security clearance; skills in C#, JavaScript/TypeScript, .NET; Azure DevOps, Jira; web frameworks (HTML/CSS/React)
Azure DevOps, Jira, C#, JavaScript, TypeScript, .NET, HTML, CSS, React, AngularJS, Blazor
1d
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Software Engineer, React
Nashua, New Hampshire, United States
$65k-$110k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
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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Angular Front End Developer in Merrimack, NH (New York, NY, US)
Merrimack or New York
$100k-$130k/yr OnsiteFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
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
1mo
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Drupal and Integrations Developer
Northampton, Massachusetts, United States
$98k-$133k/yr OnsiteFull Time
Smith College
Smith College: Provides undergraduate and graduate liberal arts education for women.
5+ YOEBachelor's in CS/Engineering required; 5+ years Drupal backend and integrations experience; knowledge of Drupal 10+, REST APIs, JSON, OAuth; proficiency with Drupal, JavaScript, PHP, Composer, and Git; preferred master's and 8+ years with WordPress and API/ETL work.
Drupal 10+, REST APIs, JSON, OAuth, Salesforce, Slate, Workday, Technolutions Slate CRM, JavaScript, React, PHP, Composer, Git, GA4, Pantheon, WordPress, Salesforce Marketing Cloud, CI/CD, ETL
3w
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Staff Software Engineer-JAVA
Lowell, Massachusetts, United States
$130k-$186k/yr HybridFull Time
UKG
UKG: Provider of workforce management and human capital management software.
7+ YOE7+ years building enterprise Java web applications; strong Java, Spring Boot, Hibernate/JPA, React, SQL, cloud-native and AI integration experience; TDD and CI/CD practices.
Java, J2EE, Spring Boot, Spring Framework, Hibernate/JPA, React, JavaScript, HTML5, CSS3, REST APIs, SQL, LangGraph, OpenAI Agents SDK, CrewAI, AutoGen, OpenAI, Anthropic, Google Gemini, AWS, Microsoft Azure, Google Cloud Platform, Kubernetes, Docker, OpenShift, Terraform, CloudFormation, ARM Templates, GitHub Actions, Jenkins, Azure DevOps, GitLab CI, Datadog, Grafana, Prometheus, Splunk, OpenTelemetry, Bash, Python, PowerShell, GitHub Copilot, ChatGPT, Cursor, Claude
1mo
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Engineer III (Frontend)
Webster, Massachusetts, United States
$120k-$150k/yr OnsiteFull Time
MAPFRE
MAPFREBolsa de Madrid: MAP: Provides global insurance, reinsurance, and financial protection services.
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
5d
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Senior Software Engineer, Facilities
Boston or Framingham
$170k-$195k/yr HybridFull Time
Veho
Veho: Provides AI-powered last-mile delivery services for e-commerce brands.
5+ YOE5+ years building and deploying high-traffic production applications; strong full-stack skills with TypeScript, Node.js, GraphQL, and React; AWS experience; supply chain or warehouse domain preferred.
TypeScript, Node.js, GraphQL, React, AWS
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
2mo
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Full Stack Engineer
Merrimack, New Hampshire, United States
$80-$102/hr OnsiteFull Time
Fidelity Investments
Fidelity Investments: Financial services and investment management firm providing advisory solutions.
Experience building RESTful APIs, relational and NoSQL databases, strong OOP and design patterns, SDLC, CI/CD, mentoring, and front-end frameworks (Angular/React); strong communication and code-quality focus.
Angular, AngularJS, Backbone.js, React JS, JavaScript, CSS3
1w
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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