94 reactjs developer jobs at 34 companies in Brooklyn, CT
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Senior Developer / Lead Developer
Allentown or Providence or Louisville
HybridFull Time
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
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Lead Developer
Allentown or Louisville or Providence
HybridFull Time
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
5d
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Java Developer
Hartford, Connecticut, United States
OnsiteFull Time
Experience in Java application development; familiarity with Angular, React, and SQL; strong communication and problem-solving; bachelor's degree or equivalent experience required.
Java, Angular, React, SQL, SQL Server
1w
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Staff Software Engineer
Hartford or Charlotte or Columbus or Chicago
$116k-$174k/yr HybridFull Time
8+ YOE8+ years software development experience; expertise in Java/Python/C#/Go, full-stack frameworks, cloud platforms, databases, CI/CD, and AI-assisted development; BS in CS/Engineering or related required.
Java, Python, C#, Go, Angular, React, Node.js, RESTful APIs, AWS, GCP, Azure, SQL Server, Snowflake, PostgreSQL, Oracle, MongoDB, CI/CD, GitHub Copilot, Microsoft Copilot, Copilot Studio, Azure AI Foundry, Google Vertex AI, GCP Agent Development Kit (ADK)
3w
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Python AWS Developer
Hartford or Lafayette
$81k-$172k/yr HybridFull Time
6+ YOE6+ years Python backend development, REST API (FastAPI/Flask), strong SQL, hands-on AWS (Lambda,S3,SQS,DynamoDB,EC2,EKS), CI/CD and production support experience.
Python, FastAPI, Flask, AWS Lambda, Amazon S3, Amazon SQS, DynamoDB, Amazon EC2, Amazon EKS, Boto3, CloudWatch, Jenkins, GitHub Actions, Terraform, CloudFormation, OpenShift, Kubernetes, PostgreSQL, Aurora, Java, ReactJS, Spring Boot, SQL
1w
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Java Fullstack Developer
Smithfield or Westlake
$70k-$85k/yr OnsiteFull Time
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
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Circle Lead Engineer (CLE) - Personal Insurance
Hartford, Connecticut, United States
$154k-$254k/yr HybridFull Time
7+ YOE2+ Mgmt7+ years software development, 2+ years technical leadership, bachelor’s in CS or related STEM (or equivalent), proficiency in Python, JavaScript/TypeScript, React, AWS/CDK, Terraform, Jenkins, GitHub, API development, and AI/GenAI; strong communication and delivery skills.
Python, JavaScript, TypeScript, React, AWS, AWS CDK, Terraform, Jenkins, GitHub, API Development, AI/GenAI
2mo
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Software Engineer I
Foxborough, Massachusetts, United States
$76k-$114k/yr OnsiteFull Time
The Kraft Group: Operates professional sports teams, stadiums, and paper manufacturing businesses.
0+ YOEBachelor's in Computer Science/Engineering required; 0–2 years software development experience; knowledge of React, Material UI, Python/Flask, pandas, Ruby, MySQL, SQL Server, Git/GitLab; Linux/Windows familiarity; strong analytical and communication skills.
React, Material UI, Python, Flask, pandas, Ruby, Linux, Windows, MySQL, SQL Server, Git, GitLab
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Senior Software Developer (Hybrid or Remote)
Canton or Raleigh or Farmington or Boston
$101k-$143k/yr HybridFull Time
6+ YOE6+ years software development experience; expertise in .NET Core/C#, ASP.NET MVC, Entity Framework, Angular or React, Microsoft Azure; strong SQL Server and CI/CD experience; Bachelor’s or Master’s in CS/Engineering.
.NET Core, C#, ASP.NET MVC, Entity Framework, Angular, React, Microsoft Azure, Microsoft Azure Functions, Microsoft App Services, Microsoft Azure Storage, Microsoft Azure DevOps, SQL Server, CI/CD
5d
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Senior Software Development Engineer (Java, Nest, React)
Texas or North Carolina or Scottsdale or Florida or Illinois or Hartford
$83k-$204k/yr RemoteFull Time
5+ YOE5+ years software development experience; strong backend and API development using Java Spring Boot, Node.js, GraphQL; Kubernetes, observability, API design, and cloud-native experience; GCP preferred; bachelor's degree preferred.
Java Spring Boot, Node.js, GraphQL, Kubernetes, Gradle, NestJS, GitHub Actions, Google Cloud Platform (GCP), GitHub Copilot, Claude Code, Cursor, Model Context Protocol (MCP), React, GitHub
2mo
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Senior Software Engineer
South Windsor or Charlotte
HybridFull Time
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
1mo
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Application Engineer (HYBRID TO MA)
Worcester, Massachusetts, United States
$82k-$105k/yr HybridFull Time
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
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Application Engineer (HYBRID TO MA)
Worcester, Massachusetts, United States
$82k-$105k/yr HybridFull Time
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
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Senior Full Stack Engineer
Framingham, Massachusetts, United States
$110k-$130k/yr HybridFull Time
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
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Principal Engineer - Digital Experience
Milford, Massachusetts, United States
$110k-$183k/yr OnsiteFull Time
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
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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Software Engineer
Arlington or Mount Laurel or Fall River or San Diego
$74k-$184k/yr HybridFull Time
0+ YOEBachelor's degree or equivalent, 0–5 years experience, ability to obtain/maintain Secret clearance, familiarity with combat/tactical systems, proficiency in C/C++/Python/JavaScript/Java, Linux and Git, Agile and DevSecOps practices.
C, C++, Python, JavaScript, Java, TypeScript, Linux, shell scripting, Git, Make, Maven, Ant, X-Windows, Model Based System Engineering (MBSE), Jenkins, Jira, Atlassian, VMWare vSphere, Azure, AWS, GCP, Hadoop, Spark, Kafka, Cassandra, GitHub Copilot, ChatGPT, Claude, Cursor, Codeium, React, Angular, Vue, Storybook, Postgres, REST, gRPC, SQL, TCP/IP, UDP, CORBA, DDS, Windows
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Sr. SAP Commerce Platform Engineer
West Hartford or United States
RemoteFull Time
6+ YOE6+ years SAP Commerce Cloud backend experience, extension development (type system, persistence, Spring, ImpEx, FlexibleSearch), integrations with ERP/PIM/CRM, Dynatrace troubleshooting; SQL and Solr, headless architecture experience preferred.
SAP Commerce Cloud, Hybris, Spring, ImpEx, FlexibleSearch, Dynatrace, SQL, Solr, Spartacus, React, Contentful, Algolia, Cloudinary, OCC, Kanban
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Software Engineer II
Middletown, Rhode Island, United States
HybridFull Time
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
4w
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Sr Software Engineer
Hartford or Saint Paul
$139k-$230k/yr OnsiteFull Time
6+ YOEBachelor's degree or equivalent, 6+ years software engineering experience, cloud and API proficiency, experience leading teams, strong communication and problem-solving skills.
Claude, GitHub Co-Pilot, AWS, EKS, Azure, REST, GraphQL, Terraform, AWS CDK, React.js, Node.js, JavaScript, TypeScript, Python, Kafka, DB2, MySQL, PostgreSQL, MongoDB, DynamoDB, NUnit, XUnit, Moq, Jest, Cypress, Git, GitHub, CloudBees Jenkins, Jenkins, Azure DevOps, OAuth 2.0, OpenID Connect, Dynatrace, ELK stack, OpenTelemetry, Jira, Rally
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