45 react full stack developer jobs at 26 companies in Connecticut

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Java Full Stack Developer
Boston or Hartford or Jersey City or New York City or Raleigh or Richardson
$64k-$109k/yr OnsiteFull Time
Infosys
InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.
Bachelor's degree or equivalent experience; hands-on Java, Python, Spring Boot, API, microservices, AWS, Angular or React, and full-stack development experience. Work authorization without sponsorship required.
Java, Python, Spring Boot, AWS, Amazon EKS, Amazon CloudFront, Amazon SQS, AWS Glue, Amazon DocumentDB, Angular, React, Oracle, PostgreSQL, AWS Aurora, Jenkins, TeamCity, Octopus Deploy, Agile, Scrum, CI/CD
1mo
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Full Stack Developer, MarTech
New Haven, Connecticut, United States
OnsiteFull Time
ASSA ABLOY
ASSA ABLOYNasdaq Stockholm: ASSA B: Global manufacturer of locks and automated entrance systems.
5+ YOE5+ years full‑stack development with strong front-end focus (React, Tailwind); experience with PHP/Laravel, Node.js, SQL, CI/CD, Docker, accessibility, CMS-driven marketing, and translating Figma to production.
React, Next.js, Tailwind, Laravel, PHP, SQL, Node.js, GitHub Actions, Docker, Figma, Changesets, Turborepo, Yarn, NPM, JSON-LD, Adobe Experience Manager (AEM), Maven, Apache Sling Models, JCR/Oak, GTM, GA4, OneTrust, Search Console, Sentry, APM, Git, Microsoft Office
1w
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Java Full Stack Developer
Austin or Charlotte or Dallas or Hartford or Jersey City or New York City or Pennington or Princeton or Raleigh or Richardson or Tampa
$76k-$127k/yr OnsiteFull Time
Infosys
InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.
Bachelor's degree or equivalent experience; expertise in Core Java, Spring Boot, Spring MVC, full-stack development, and Angular or React. SQL, microservices, Python, and AI tools preferred.
Java, J2EE, Spring Boot, Spring MVC, Struts, Angular, React JS, SQL, Oracle, PostgreSQL, MySQL, Microsoft SQL Server, REST API, Python, AI
3mo
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Full Stack Engineer, Senior
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yr HybridFull Time
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
7h
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Senior Full Stack Engineer
California or Colorado or Connecticut or Florida or Georgia or Illinois or Indiana or Kansas or Louisiana or Massachusetts or Maryland or Michigan or Minnesota or Missouri or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oregon or Pennsylvania or South Carolina or South Dakota or Tennessee or Texas or Virginia or Washington or Wisconsin
$136k-$185k/yr RemoteFull Time
Global Overview
Global Overview: Full-service agency scaling brands on Amazon and e-commerce platforms.
7+ YOEBachelor's preferred; 7+ years in full-stack development, data warehousing, SQL, and relational databases. Requires AWS, Redshift, PostgreSQL, Python, CI/CD, ETL, UI, cloud architecture, and mentoring expertise.
AWS, Amazon Redshift, PostgreSQL, Python, Scrum, Scaled Agile Framework (SAFe), Extreme Programming, GitHub, Jenkins, Tableau, Qlik, Amazon QuickSight, SQL, Oracle, SQL Server, Teradata, AWS CLI, PowerShell, Unix shell, AWS Glue, Alteryx, AWS Amplify, Amazon CloudFront, React, Vue, Node.js, HTML, C#, CSS, C++, JavaScript, HTTP, REST APIs, Git, Docker, AWS CloudFormation, YAML, AWS CodeCommit, jQuery
1mo
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Technical Lead – Full Stack Developer
Charlotte or Chicago or Columbus or Hartford
$126k-$189k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides property and casualty insurance and financial products.
7+ YOERequires 7+ years of full-stack development experience, Java, JavaScript/TypeScript, Python, AWS, APIs, microservices, databases, DevOps tools, and a bachelor's degree in a related field.
Java, Spring Boot, JavaScript, TypeScript, Python, Angular, React, AWS, AWS Lambda, Amazon ECS, Amazon EKS, Amazon RDS, Amazon S3, AWS IAM, Amazon SNS, Amazon SQS, Amazon EventBridge, REST, SOAP, SQL Server, Oracle, GitHub, Jenkins, Docker, Terraform, Rally, SonarQube, CloudFormation, AWS CDK, OpenText, SmartCOMM, Quadient, GitHub Copilot
4w
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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 digital business process services.
Proven experience designing and delivering enterprise applications with .NET Core/C#, React, AWS, and SQL Server; technical leadership and stakeholder-facing skills required.
.NET Core, C#, React.js, JavaScript, AWS, SQL Server
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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Full Stack Developer - WMA
New York City or Old Greenwich
$150k-$200k/yr OnsiteFull Time
WorldQuant
WorldQuant: Develops systematic investment strategies through quantitative research and data.
2+ YOERequires 2–5+ years in web development or analytics; React, HTML, CSS, JavaScript, SQL, relational databases, programming in Python, Java, or C++, Unix/Linux, shell scripting, DevOps, and web infrastructure experience.
React, Tailwind, Material UI, SQL, Polars, SQL Server, MySQL, PostgreSQL, Python, Java, C++, REST/JSON, Unix, Linux, Shell, Apache, NGINX, Tomcat, airflow, cron
2mo
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Senior Full Stack Software Engineer
New Haven, Connecticut, United States
$124k-$187k/yr OnsiteFull Time
D-Wave Quantum
D-Wave QuantumNYSE: QBTS: Provides commercial quantum computing systems, software, and cloud services.
5+ YOEBachelor's or higher in CS/ECE/math/physics, 5+ years full‑stack experience, strong Python and another high‑level language (Go/C++/Java), front‑end frameworks (Vue.js/React), AWS, SQL/PostgreSQL, Git, Docker, Kubernetes, RESTful APIs, testing, and mentorship experience.
Python, Go, C++, Java, Vue.js, React, AWS, PostgreSQL, Git, Docker, Kubernetes, RESTful APIs
2w
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Mid-Level Full Stack Software Engineer
California or Colorado or Connecticut or Florida or Georgia or Illinois or Indiana or Maryland or Massachusetts or Michigan or New Jersey or New Mexico or New York or North Carolina or Pennsylvania or Tennessee or Texas or Utah or Virginia or Washington
$100k-$117k/yr RemoteFull Time
Crisis Text Line
Crisis Text Line: Provides free 24/7 text-based mental health crisis support.
3+ YOERequires 3–5 years of software engineering experience, backend or full-stack work, production API development, SQL databases, testing, AWS, CI/CD, and independent delivery of engineering projects.
PHP, Symfony, Golang, Node.js, React, Redux, REST, GraphQL, MySQL, PostgreSQL, Redis, AWS, Terraform, Datadog, Grafana, Automated CI/CD pipelines
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 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
2mo
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Full Stack Engineer Manager
New York or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
8+ YOEBachelor's degree or equivalent experience; 8+ years Python; 2+ years platform engineering; 1+ year with two of Linux admin, Docker/Kubernetes, modern JavaScript framework or DevOps; 1+ year Terraform; strong communication and problem-solving.
Python, Linux, Docker, Kubernetes, React, NodeJS, Terraform, EC2, Lambda, EKS, Fargate
4d
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Senior Full Stack .NET Developer
Detroit or United States or Michigan or Ohio or Indiana or Illinois or Wisconsin or Minnesota or Iowa or Missouri or Arkansas or Louisiana or Mississippi or Alabama or Georgia or Florida or South Carolina or North Carolina or Virginia or West Virginia or Kentucky or Tennessee or Maryland or Delaware or Pennsylvania or New Jersey or New York or Connecticut or Rhode Island or Massachusetts or Vermont or New Hampshire or Maine or Texas or Oklahoma or Kansas or Nebraska or South Dakota or North Dakota or Colorado or Wyoming or Montana or Idaho or Utah or Arizona or New Mexico or Nevada or California or Oregon or Washington or Alaska or Hawaii
$150k-$175k/yr RemoteFull Time
Team Velocity
Team Velocity: Provider of a digital retailing platform for automotive dealerships.
5+ YOERequires 5+ years of software development experience, advanced C#/.NET skills, modern frontend experience, APIs, microservices, databases, Agile practices, testing, CI/CD, and independent project delivery.
C#, .NET, Angular, Vue.js, React, RESTful APIs, SQL Server, PostgreSQL, MySQL, Redis, Elasticsearch, Kafka, Snowflake, Cassandra, Scrum, Kanban, TDD, CI/CD, GitHub Copilot, ChatGPT, Claude, Cursor, Docker, AWS, Microsoft Azure, GCP, Kubernetes, Apollo
2mo
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Full Stack Staff Software Engineer — AI-Augmented Development
Charlotte or Hartford or Columbus or Chicago
$116k-$174k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
10+ YOE10+ years software engineering experience, 5+ years tech lead experience; Bachelor’s in CS or related (or equiv. experience); expertise in frontend and backend stacks, cloud (AWS/GCP), CI/CD, databases, APIs, and AI-augmented development tools.
React, Angular, Vue.js, TypeScript, HTML5, CSS3, Java, Spring Boot, Node.js, Express, Python, FastAPI, Django, .NET, RESTful APIs, GraphQL, gRPC, AWS, GCP, AWS Bedrock, GCP Vertex, Vertex Studio, Docker, Kubernetes, Jenkins, GitHub Actions, GitLab CI, SQL, NoSQL, PostgreSQL, MongoDB, DynamoDB, Redis, Kafka, RabbitMQ, GitHub Copilot, Cursor, Claude Opus, OpenAI, Anthropic, LangChain, Semantic Kernel, AutoGen, CrewAI
2mo
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Full Stack Java Engineer - Eden Prairie, MN or Hartford, CT (Hybrid)
Eden Prairie or Hartford
$73k-$130k/yr HybridFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
4+ YOE4+ years professional software engineering experience; 3+ years Java backend (Java 17+) with Spring/Spring Boot; 2+ years public cloud (AWS or Azure), databases, unit testing (JUnit/Mockito), REST APIs, and CI/CD experience.
Java, Java 17, Spring Boot, Spring, Project Reactor, Spring WebFlux, React, Angular, Vue, JavaScript, HTML, CSS, AWS, Azure, MySQL, PostgreSQL, Oracle, NoSQL, JUnit, Mockito, SonarQube, SonarLint, REST APIs, JSON, CI/CD, Infrastructure as Code (IaC), Dynatrace, DataDog, GitHub, GitHub Copilot, Tomcat, Node.js, Express, Docker, Kubernetes
1mo
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Senior Software Engineer, Full-Stack | Patching
California or Colorado or Connecticut or Florida or Georgia or Illinois or Kansas or Maine or Massachusetts or New Jersey or North Carolina or New York or Oregon or Tennessee or Texas or Virginia or Washington or Austin or Tampa
$150k-$200k/yr HybridFull Time
NinjaOne
NinjaOne: Unified IT platform for automated endpoint management and security.
10+ YOEBachelor or equivalent,10+ years Java development experience,expertise in Kotlin,2+ years React,experience with scalable systems,API and relational DB knowledge,strong communication and design skills.
Java, Kotlin, React, Python, Jersey, Spring
2w
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Software Engineer (Sr. Software Engineer, DOE)
Arizona or California or Colorado or Connecticut or Florida or Iowa or Idaho or Kentucky or Massachusetts or Maryland or Michigan or Minnesota or Nevada or New Hampshire or New Jersey or Ohio or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or Washington
$120k-$135k/yr RemoteFull Time
Foureyes
Foureyes: Data platform providing sales intelligence for automotive dealerships.
3+ YOE3+ years full-stack development experience with Python/Java/TypeScript/React, cloud-native AWS experience, SQL and IaC knowledge, observability tooling, and enthusiasm for AI-assisted development.
Python, Java, React, TypeScript, NodeJS, ReactJS, AWS, Lambda, S3, RDS, SQL, Git, AWS CDK, Terraform, Datadog, Amazon CloudWatch, Claude Code, Cursor, GitHub Copilot, LangGraph, CrewAI, AutoGen, Amazon Bedrock Agents
2mo
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Senior Software Engineer
South Windsor or Charlotte
HybridFull Time
RCN Capital
RCN Capital: National direct lender for real estate investors.
7+ YOE7+ years software development; senior/lead engineer; full stack with .NET, React/TypeScript; AI/GenAI; Azure; PostgreSQL/CosmosDB; cloud-native; offshore collaboration.
React, TypeScript, Redux, Zustand, Tailwind CSS, C#, .NET 10, .NET Core, Entity Framework Core, Azure Functions, App Services, Service Bus, Azure DevOps, GitHub Actions, PostgreSQL, CosmosDB, LangChain, Semantic Kernel, Docker, Kubernetes
1w
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Software Developer
Stamford or Fort Worth
OnsiteFull Time
Alta Fox Capital
Alta Fox Capital: Alternative asset management firm focused on public equity investments.
Full-stack developer with T3 stack, Python, SQL, Bash, TDD, relational databases, AI or LLM API workflow automation, and experience independently extending production codebases.
TypeScript, React, Next.js, tRPC, Prisma, Tailwind, Python, SQL, Bash, OpenAI API, Anthropic API, AWS, Airflow, GitHub