26 react js developer jobs at 11 companies in Groton, CT

3w
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Software Engineer II (Node, React, Typescript)
Hartford or St. Paul
$120k-$199k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
4+ YOEBachelor's in CS or STEM, 4+ years software engineering, experience with cloud, API development, Node/React/TypeScript/JavaScript, databases, CI/CD, observability, and Agile practices.
AWS, Serverless, EKS, Azure, REST, GraphQL, Terraform, AWS CDK, React.js, Node.js, JavaScript, TypeScript, Python, Kafka, DB2, MySQL, PostgreSQL, MongoDB, DynamoDB, Claude, GitHub Co-Pilot, NUnit, XUnit, Moq, Jest, Cypress, Git, CloudBees Jenkins, Jenkins Open Source, Azure DevOps, OAuth 2.0, OpenID Connect (OIDC), Dynatrace, ELK stack, OpenTelemetry, Jira, Rally
3w
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Software Engineer II (Node, React, Typescript)
Hartford or Saint Paul
$120k-$199k/yr HybridFull Time
Travelers
TravelersNew York Stock Exchange: TRV: Provider of commercial and personal property casualty insurance.
4+ YOEBachelor's in CS or related STEM and ~4 years software engineering experience; proficiency with cloud, APIs, React/Node, TypeScript/JavaScript, databases, CI/CD, observability, and strong communication.
AWS, EKS, Microsoft Azure, REST, GraphQL, Terraform, AWS CDK, React.js, Node.js, JavaScript, TypeScript, Python, Kafka, DB2, MySQL, PostgreSQL, MongoDB, DynamoDB, Claude, GitHub Co-Pilot, NUnit, XUnit, Moq, Jest, Cypress, Git, CloudBees Jenkins, Jenkins, Azure DevOps, OAuth 2.0, OpenID Connect (OIDC), Dynatrace, ELK, OpenTelemetry, Jira, Rally
1mo
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Senior .NET Full Stack Developer Lead (React/AWS)
Hartford, Connecticut, United States
$64k-$115k/yr OnsiteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
.NET Core/C# and React experience, AWS and SQL Server knowledge, proven technical leadership, stakeholder communication, and experience working with distributed/offshore teams.
.NET, .NET Core, C#, React, React.js, JavaScript, AWS, SQL Server
1w
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Java Fullstack Developer
Smithfield or Westlake
$70k-$85k/yr OnsiteFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
3+ YOE3+ years software development with Angular 18+, TypeScript, React, RxJS, micro front-end, Java Spring boot and Node JS; experience with CI/CD and test automation; strong problem-solving and communication skills.
Angular 18+, React, RxJS, Redux/NgRx, TypeScript, Java Spring boot, Node JS, NestJS, GraphQL, Cypress, Playwright, CI/CD
1w
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Senior .NET Full Stack Developer Lead (React/AWS)
Hartford, Connecticut, United States
$64k-$115k/yr OnsiteFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
Proven experience with .NET Core/C#, React.js, JavaScript, AWS, and SQL Server; experience leading technical teams, strong communication and software engineering best practices.
.NET Core, C#, React.js, JavaScript, AWS, SQL Server
1mo
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Lead Developer
Allentown or Louisville or Providence
HybridFull Time
PPL Corporation
PPL CorporationNYSE: PPL: Provides electricity transmission, distribution, and utility services.
7+ YOEBachelor's degree (or equivalent), 7+ years experience (Lead) or 5+ years (Senior); strong software development background with C#, Java, JavaScript/TypeScript, front-end frameworks (Angular/React), APIs/JSON, and SQL; experience with microservices, cloud, containerization and Kubernetes preferred.
C#, Java, Python, JavaScript, TypeScript, Angular, React, SQL, JSON, APIs, Microservices, DevOps, Multi-Cloud, IoT, Intelligent Automation, RPA, Test automation, Machine Learning, Artificial Intelligence, Kubernetes, Azure Kubernetes Service (AKS), SAP ABAP
1mo
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Senior Developer / Lead Developer
Allentown or Providence or Louisville
HybridFull Time
PPL
PPLNYSE: PPL: Provides electricity and natural gas to millions of customers.
5+ YOEBachelor's degree, 5+ years software development experience (senior) or 7+ (lead); proficiency in C#, Java, TypeScript, frontend frameworks, APIs and SQL; experience with cloud, microservices, and emerging tech.
C#, Java, TypeScript, JavaScript, Python, Angular, React, SQL, Microservices, Cloud Architecture, APIs, SAP ABAP, SAP S/4HANA, Kubernetes, Azure Kubernetes Service (AKS), DevOps, RPA, Artificial Intelligence
2mo
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Staff Software Development Engineer - Frontend
Woonsocket or Scottsdale or Hartford or Richardson or Alpharetta
$118k-$261k/yr HybridFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
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
2mo
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Full Stack Developer (CT, Middletown)
Middletown, Connecticut, United States
HybridFull Time
Reality Interactive
Reality Interactive: Designs and deploys digital merchandising and retail technology solutions.
5+ YOE5+ years in software development; 3+ years with C#/.NET; 3+ years front-end with React/Angular/Vue; Azure services; REST/OpenAPI; HTML/CSS/JavaScript/TypeScript; OAuth2/OpenID Connect; SQL; Git; automated tests; Agile; AI-assisted coding tools experience.
NET, Azure, React, Angular, Vue.js, HTML, CSS, JavaScript, TypeScript, OpenAPI, OAuth 2.0, OpenID Connect, SQL, Git, Automated testing frameworks
1mo
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Software Engineer II
Middletown, Rhode Island, United States
HybridFull Time
SEACORP
SEACORP: Provides engineering and technology services for naval defense systems.
5+ YOEDegree in CS or related field, 5+ years software engineering experience, proficiency in JavaScript, React, Node.js, and Java, experience building desktop apps and front-end UIs, U.S. citizenship required; Secret clearance preferred.
JavaScript, React, Node.js, Java
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
1w
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Software Engineer
United States or Austin or Boston or Chattanooga or Chicago or Dallas or Denver or Houston or Jefferson City or Kansas City or Madison or Milwaukee or Minneapolis or Nashville or Omaha or Providence or Springfield or Saint Louis or Washington
$76k-$234k/yr HybridFull Time
Husch Blackwell
Husch Blackwell: A nationwide firm providing industry-focused legal and litigation services.
5+ YOEBachelor's or equivalent,5+ years application engineering experience,full‑stack proficiency with backend focus,experience with generative AI and cloud deployment (Azure preferred),strong architecture and communication skills.
Python, Javascript, TypeScript, React, Vue, Azure, CI/CD, LLM APIs
2w
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Research Full Stack Coder
Providence, Rhode Island, United States
$68k-$112k/yr HybridFull Time
Brown University Health
Brown University Health: Provides clinical care, medical education, and biomedical research services.
3+ YOE3+ years developing AI applications; proficiency in Python and JavaScript (React/Node.js); experience with ML frameworks, cloud deployment, APIs, databases; ability to integrate public health domain knowledge.
Python, JavaScript, React, Node.js, TensorFlow, PyTorch, LangChain, AutoGen, Vue.js, Angular, AWS, Azure, Google Cloud, Docker, Kubernetes, SQL/NoSQL
2mo
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Systems Software & Integration Engineer 2026
Hartford, Connecticut, United States
$85k/yr OnsiteFull Time
Connecticut State Colleges & Universities
Connecticut State Colleges & Universities: Public system of colleges and universities in Connecticut.
4+ YOEBachelor's in CS/IS, 4+ years in ERP/system design and support (preferably Ellucian Banner), RDBMS and SQL experience, reporting tools (Argos/Cognos/PowerBI), strong communication and IT literacy.
Ellucian Banner, Oracle, Microsoft SQL, MySQL, Postgres, TOAD, SQL Developer, SQL, PL/SQL, PostgreSQL, Argos, Cognos, PowerBI, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Teams, Unix, Linux, HTML5, CSS, Bootstrap, JSON, Java, JavaScript, AngularJS, RESTful Web Services, NodeJS, React.js, Visual Studio, crontab, Automic, ISE (EnterpriseSCHEDULE), Ellucian Experience portal, Ellucian Data Connect, Ellucian Ethos, Intelligent Learning Platform (ILP), Blackboard