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Java React Developer Jobs in Fairfield, CT, US
170+ java react developer jobs from 84 companies hiring in Fairfield, CT, US.
1d
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Tech Consulting - Full-Stack Java Developer - Senior - Multiple Locations (Los Angeles, CA, US, 90017-5418)
Los Angeles or New York City or Hoboken or San Francisco or San Jose or Seattle or Boston or Chicago or St. Louis or Philadelphia or Dallas or Houston or Irvine or San Diego or Portland or Denver or Minneapolis or Nashville or Phoenix or Pittsburgh or McLean or Atlanta or Charlotte or Detroit or Columbus or Cleveland or Akron or Miami
$103k-$188k/yr HybridFull Time
3+ YOE3+ years software engineering; Bachelor's in CS or related field; proficient in at least one modern backend language; full-stack experience; REST APIs; React/Angular or similar; Git; cloud familiarity; travel up to 25%.
Python, Java, JavaScript, TypeScript, React, Angular, Git, Node.js, Spring, .NET, Docker, Kubernetes, REST APIs
1w
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Senior Software Engineer, Reporting Experience
New York City or Reno or San Ramon
$153k-$210k/yr HybridAll Commitments Available
5+ YOE5+ years in software engineering; 5+ years front-end with React/Jest/JavaScript/TypeScript; proficiency in Kotlin/Java/Python; experience with automated testing; eagerness to learn; strong problem-solving and communication.
React, Jest, JavaScript, TypeScript, Kotlin, Java, Python, Docker, AWS, GraphQL, RESTful APIs
2mo
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Senior Fullstack Engineer, Agentforce for Supply Chain
New York or Bellevue or San Francisco
$149k-$224k/yr HybridFull Time
5+ YOE5+ years of fullstack software development; strong JS/TS, HTML5, CSS3; frontend frameworks (React, Vue.js, or Angular); backend languages (Java, Python, Node.js); REST/GraphQL, microservices; SQL/NoSQL databases; cloud platforms (AWS, GCP, or Azure); CI/CD, Git, agile practices.
React, TypeScript, JavaScript, HTML, CSS, GraphQL, Go, PostgreSQL, Redis, REST, Java, Python, Node.js, Docker, Kubernetes, AWS, GCP, Azure, Git, CI/CD
5d
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Senior Software Engineer - Full Stack
New York or Holmdel or Bethlehem
$95k-$156k/yr HybridFull Time
6+ YOE6-8 years software development; 3+ years cloud native/SOA (AWS); 2+ years IaC (Terraform); API development with Java/Spring Boot/Node/.NET/Python; web tech with React/Angular/Typescript; AWS, Docker, Kubernetes; databases MySQL/PostgreSQL/SQL Server; CI/CD tools; microservices; collaboration with stakeholders.
Java, Spring Boot, Node.js, DOTNET, Python, React, Angular, TypeScript, AWS, Docker, Kubernetes, MySQL, PostgreSQL, SQL Server, Terraform, GitHub, Jenkins, Artifactory, Microservices
1w
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Software Engineer, Macro Technology
New York City or Stamford
OnsiteFull Time
6+ YOE6+ years software engineering; BS in CS/Engineering/Math; 5+ years backend (C#/Java); 3+ years frontend (React); 5+ years SQL; 3+ years in financial trading tech; experience with AI tooling; US work authorization; based in Stamford, CT or New York City onsite.
C#, Java, React, SQL, APIs, AI tools, Cloud
2mo
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Senior Software Engineer, 1
New York, New York, United States
$150k-$175k/yr OnsiteFull Time
5+ YOE5+ years mobile app development with React Native and TypeScript; 2+ years integrating Google Mobile Ads SDK; experience in programmatic advertising; Agile/Scrum; API integration; strong focus on performance and user experience.
React Native, TypeScript, Swift, Kotlin, Java, Xcode, Android development tools, Google Mobile Ads SDK, Git, Jira
1w
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UI/Full Stack Developer - Trading Platforms
New York, New York, United States
$156k-$256k/yr OnsiteFull Time
Senior full-stack developer with UI and backend expertise, experience in financial trading platforms, REST/Kafka, React/Vue/Angular, Java/Spring, AWS.
React, Vue, Angular, Java, Spring, Gitlab, Jenkins, Docker, Terraform, Playwright, AWS, Kafka, REST, FIX, Cucumber, Websockets, Hydra, SQL, NoSQL
1d
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Senior Engineer, Starter Kit
New York, New York, United States
$140k-$160k/yr HybridFull Time
5+ YOE5+ years full-time software engineering; React, GraphQL, AWS/GCP, CI/CD; full-stackFront-end focus; strong collaboration.
React, GraphQL, Go, Python, Java, AWS, GCP, CI/CD
1mo
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R&D Staff Software Engineer
Pittsburgh or Melville
$108k-$173k/yr OnsiteFull Time
8+ YOE8+ years mainframe software development; JavaScript/TypeScript, Java, C/C++, Node.js; Linux/Unix; VS Code extensions; CLI; Git; Agile/Scrum.
JavaScript, TypeScript, Java, C/C++, Node.js, VS Code, AG Grid, React
2mo
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Senior Software Engineer II
San Francisco or Santa Clara or Seattle or New York
$202k-$250k/yr HybridFull Time
8+ YOE8+ years software engineering; strong Python/Django, React, Postgres, Kafka; AWS; solid execution and problem-solving.
Python, Django, React, PostgreSQL, Kafka, Java, gRPC, AWS
6d
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Solutions Engineer
New York, New York, United States
$100k-$115k/yr HybridFull Time
2+ YOE2+ years in technical consulting or customer-facing engineering; BS/MS in CS/Engineering; programming with Python/Java/C#; 1+ year frontend with Angular/TypeScript/React.
Python, Java, C#, Angular, TypeScript, React
1w
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Director, Software Engineer
New York, New York, United States
$156k-$165k/yr OnsiteFull Time
3+ YOEMaster's degree in Engineering or Computer Science; 3 years in software/technology roles; strong Java, Python, SQL, and modern frameworks.
Java, SQL, JavaScript, Spring Boot, DB2, Git, Jenkins, RESTful services, SOAP, Junit, Python, JIRA, Confluence, APIs, Apache Kafka, JMS, Selenium, Scala, Angular, React, Apache Camel, Elastic search, Grafana, Prometheus, Cucumber, SWIFT (MT/MX), ISO 20022, DTCC formats
2mo
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Software Engineer II
Brooklyn or United States
$105k-$125k/yr RemoteFull Time
2+ YOE2-4 years software engineering; full-stack; Python/SQL; Java or modern SPA; REST; strong problem solving.
Python, SQL, Java, React, Vue, Angular, REST, AWS, S3, MongoDB, DBT, Snowflake
3w
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Software Engineer - Trading (OMS)
New York, New York, United States
$107k-$168k/yr OnsiteFull Time
4+ YOE4+ years backend software engineering; strong Java and Spring Boot; AWS, Kafka; distributed systems; trading/financial services experience preferred.
Java, Spring Boot, Quarkus, Kafka, AWS, FIX, REST, File-based interfaces, SQL, NoSQL, React
3w
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Senior Software Engineer
New York, New York, United States
$180k-$200k/yr HybridFull Time
8+ YOE8+ years software engineering with 2+ years leadership; strong Python/Java; SQL/data warehousing; API experience; containerization; cloud (AWS).
Python, Java, React, Vue, AWS, Airflow, DBT, Snowflake, Databricks, BigQuery, Docker, Kubernetes, Salesforce, REST, GraphQL
2mo
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Backend Engineer, Periodic KYC Reviews
New York or Weehawken or Raleigh
$150k-$205k/yr OnsiteFull Time
Senior backend engineer with Java, microservices, cloud (Azure) and data engineering skills; strong understanding of KYC/AML platforms is a plus.
Java, J2EE, React JS, Kafka, REST APIs, Microservices, Spring Boot, Micronaut, Azure, Docker, Kubernetes, Azure Data Factory, Azure Data Lake, Databricks, SQL, CosmosDB, MongoDB, UNIX/Linux, Scripting, AutoSys, TWS
2mo
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Software Engineer | Government
Boston or New York City
$180k-$235k/yr OnsiteFull Time
5+ YOE5+ years in production systems; BS in CS/CE/EE/Robotics or equivalent; proficiency in Java, C++, Python, JavaScript; cloud experience (GCP/AWS/Azure); API design; strong communication; travel to other offices occasionally.
Python, TypeScript, React, Google Cloud, Java, C++, JavaScript
3w
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Software Engineer II
Atlanta or Austin or Boston or Chicago or Denver or New York or San Francisco or United States
$115k-$188k/yr HybridFull Time
3+ YOE3+ years software development; proficient in Scala and/or Java; building production-ready web apps; Elasticsearch and Postgres experience; strong collaboration in a distributed environment; English fluency; willingness to on-call.
Scala, Elasticsearch, Postgres, Redis, CRDB, Pulsar, Kafka, AWS, Docker, Kubernetes, React
2w
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Principal Engineer - Primary Markets Bookbuilding Systems
Charlotte or New York
$159k-$305k/yr OnsiteFull Time
7+ YOE7+ years engineering; 6+ years full-stack Java; 4+ years Kafka; 1+ year capital markets issuance domain
Java, React, Spring, Kafka, OpenShift, Kubernetes, Jenkins, GitLab, Tekton, Selenium
1mo
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Senior Software Engineer
New York or Austin or Washington
$190k-$235k/yr HybridFull Time
5+ YOE5+ years of full-time software engineering; expert in JS, Python, Java or equivalent; experience building scalable production applications; strong communication; ability to balance speed with quality; fintech interest.
JavaScript, Node.js, React, Python, Java
6d
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Senior Software Engineer - PostgreSQL Infrastructure
New York, New York, United States
OnsiteFull Time
4+ YOE4+ years of software engineering experience; strong OO languages (Java/Python); experience with relational databases (PostgreSQL/MySQL); debug production issues; strong problem solving and communication.
Java, Python, Go, React, PostgreSQL, MySQL, Kubernetes, Docker, OpenAPI, Java Spring Boot
1w
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Technology & Engineering, Software Engineer
New York, New York, United States
OnsiteFull Time
10+ YOE4+ MgmtBachelor's degree in Computer Science or related field; 10+ years of software engineering; 4+ years leading teams; 5+ years in Private Markets tech; strong Java, Python, TypeScript/JavaScript, SQL; full-stack experience.
Java, Python, TypeScript/JavaScript, SQL, Angular, React, Java/Spring Boot, Node.js, JPA/Hibernate, MyBatis, PostgreSQL, SQL Server, MongoDB, Elasticsearch, Redis, Kafka, Docker, Kubernetes, Terraform, Git, CI/CD
2mo
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Senior Software Engineer, Ecosystem
San Francisco or Boston or Austin or Tokyo or London or Bangalore or Hyderabad or New York
$200k-$240k/yr HybridFull Time
8+ YOE8+ years experience building backend or full stack services; proficient in Java, NodeJS, ReactJS; Bachelor's in Computer Science or equivalent; strong problem solving and distributed systems experience.
Java, Node.js, React.js
2mo
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Backend Engineer, Periodic KYC Reviews
Weehawken or New York or Raleigh
$150k-$205k/yr OnsiteFull Time
5+ YOEJava backend development with microservices, cloud (Azure), and data/workflow integration experience.
Java, Java/J2EE, Spring Boot, Micronaut, React JS, Kafka, REST APIs, Microservices, Azure, Docker, Kubernetes, Azure Data Factory, Azure Data Lake, Databricks, CosmosDB, MongoDB, UNIX, Linux, AutoSys, TWS
6d
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Software Engineer III - Full Stack
Brooklyn, New York, United States
$100k-$145k/yr HybridFull Time
4+ YOE4+ years programming experience; strong Java/ReactJS; OOP and design patterns; shipping large software projects; quick learner; team collaboration.
Java, ReactJS, Redis, JavaScript, RabbitMQ, MySQL, MongoDB, Kotlin, SpringBoot, Splunk
1mo
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Senior AEM Developer (New York, NY, US)
New York, New York, United States
$100k-$130k/yr OnsiteFull Time
7+ YOE7 years in AEM development; 2+ years on AEM as a Cloud Service; strong Java, Sling, OSGi, JCR, Dispatcher; CI/CD with Git, Maven, Cloud Manager; frontend tech HTML5, CSS3, JavaScript, React/Angular; integrates with Adobe Analytics/Target.
Java, Sling, OSGi, JCR, Dispatcher, CI/CD, Git, Maven, Cloud Manager, Adobe IO, GraphQL, Headless CMS, HTML5, CSS3, JavaScript, React, Angular, Adobe Analytics, Target
1w
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Staff Software Engineer, Incentive Offers
New York, New York, United States
$200k-$250k/yr OnsiteFull Time
8+ YOE8+ years building customer-facing applications and distributed systems; proficiency in Scala/Java; experience with AI/ML tooling; strong technical leadership and architecture.
TypeScript, React, Scala, Java, AWS, Git, Copilot, Claude Code, Datadog
2mo
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Backend Engineer, Periodic KYC Reviews
New York City or Weehawken or Raleigh
$150k-$205k/yr OnsiteFull Time
5+ YOEExperience in Java, full-stack development, and distributed systems; strong knowledge of KYC/AML domain is a plus.
Java, Spring Boot, Micronaut, React, Kafka, REST APIs, Microservices, Azure, Docker, Kubernetes, Azure Data Factory, Azure Data Lake, Databricks, SQL, CosmosDB, MongoDB, Unix, Linux, AutoSys
2mo
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Senior Software Engineer | API
New York, New York, United States
OnsiteFull Time
Senior API-focused backend/full-stack engineer with experience designing scalable REST APIs, platform infrastructure, and developer tooling.
Go, Python, Java, C#, React, TypeScript
2mo
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Staff Software Engineer (HYBRID)
Chevy Chase or Palo Alto or New York City or Dallas or Seattle
$100k-$230k/yr HybridFull Time
6+ YOEExperience designing knowledge graphs and semantic data systems; full-stack development with modern frameworks; cloud platforms; ML/NLP; strong collaboration.
React, TypeScript, JavaScript, HTML, CSS/SASS, Node.js, Python, Java, Azure, AWS, GCP, Neo4j, Apache Jena, TigerGraph, NLP frameworks, GPT, BERT, T5, RDF, OWL, SPARQL, Headless CMS, APIs, MLOps, data pipelines
6d
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Software Engineer Full Stack & Application Development II (Full Time) – United States
San Jose or New York or Boston or Knoxville or Austin or Milpitas or Alpharetta or Raleigh (RTP) or Maynard or Fulton or Dallas or Atlanta or Hillsboro
HybridFull Time
0+ YOEBackend in Python/C++/Java; frontend JS/TS; REST/GraphQL/gRPC; SQL/NoSQL; cloud familiarity (AWS/Azure/GCP).
Python, C++, Java, JavaScript, TypeScript, REST, GraphQL, gRPC, SQL, NoSQL, AWS, Azure, GCP, Docker, Kubernetes, Terraform, Ansible, CloudFormation, GitHub Actions, Jenkins, CircleCI, Grafana, Prometheus, Splunk, React, Angular, Vue
2w
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Asset & Wealth Management - Software Engineer - Associate - New York
New York, New York, United States
$115k-$180k/yr OnsiteFull Time
Full-stack development with modern front-end and back-end tech; cloud-native AWS; team leadership experience; strong communication.
React, Angular, Node, Java, Python, AWS, Relational Databases, Non-relational Databases
2w
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Senior Associate - Full Stack Engineer (New York, NY, US)
New York City, New York, United States
$100k-$143k/yr HybridFull Time
ReactJS, HTML5, CSS3 experience; cloud deployment; AI-assisted development tools; strong API design; security compliance; collaboration with cross-functional teams.
ReactJS, HTML5, CSS3, C#, Java, JavaScript, GitHub Copilot, Claude Code, Cursor, AWS, OAuth, JWT, SSO, CI/CD
1mo
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Senior AI Engineer - Detect
New York, New York, United States
$180k-$210k/yr HybridFull Time
5+ YOE5+ years software engineering; experience training/fine-tuning external ML/AI models; Python or TypeScript; strong evaluation/experiment tracking
Python, TypeScript, React, Kotlin, Java, Google Vertex AI, AWS SageMaker
3w
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Documents Team: Software Engineer, II
Englewood Cliffs, New Jersey, United States
RemoteFull Time
2+ YOESDLC proficiency, problem solving, ownership, collaboration, data integrity in document generation.
MS Word, LibreOffice, Adobe Acrobat, Java, JavaScript, CSS, HTML, SQL, Groovy, GraphQL, Grails, Spring, Bootstrap, Hibernate, GORM, Drools, Sencha/ExtJS, Vue.js, React, Angular, REST, Testing (JUnit), Web Components (Vuetify, Tailwind), Caching, Security, IntelliJ, Visual Studio, VS Code, Sublime, Eclipse, MySQL, MySQL Admin, Git, GitHub, Maven, Ant, Gradle, Webpack, Jenkins
2mo
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Staff Software Engineer II
Eagan or Frisco or New York or Toronto or Ann Arbor
HybridFull Time
8+ YOE8+ years full-stack experience; strong frontend/backend; cloud-native, AI integration familiarity; leadership; strong communication.
React, Next.js, Vue, Nuxt, Angular, Node.js, Python, FastAPI, Java, Spring, NET, AWS, Azure, GCP, Docker, Kubernetes
4d
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Senior Software Engineer, Calibration, Automation & Tools
New Haven, Connecticut, United States
$124k-$187k/yr HybridFull Time
5+ YOEBS or higher in CS/EE/Math/Physics; 5+ years full-stack dev; strong Python and at least one high-level language; frontend and backend proficiency; microservices, REST APIs, SQL; AWS, CI/CD; testing; excellent communication.
Python, Java, Go, C, C++, React, Angular, Vue.js, PostgreSQL, Oracle, microservices, RESTful APIs, Git, AWS, CI/CD, unit testing, integration testing, end-to-end testing
3w
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Sr. Full Stack AI Engineer
Hartford or Columbus or Chicago or Charlotte or New York City
$128k-$191k/yr HybridFull Time
10+ YOE10+ years software engineering; 5+ years full stack delivery; Bachelor’s in CS/SE or related; expert frontend/backend; cloud/DevOps; data stores; API/AI tools; testing; architecture; leadership.
React, Angular, Vue.js, Java, Spring Boot, Node.js, Python, .NET, AWS, GCP, Azure, Docker, Kubernetes, Jenkins, GitHub Actions, GitLab CI, REST, GraphQL, gRPC, Kafka, RabbitMQ, OpenAI, Copilot, Vertex, Bedrock, LangChain, Semantic Kernel, CrewAI, CloudFormation, Terraform, SQL, PostgreSQL, MongoDB, DynamoDB, Redis, OpenAI API, LLM APIs
2w
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Lead Application Security Engineer
New York, New York, United States
$225k-$300k/yr OnsiteFull Time
5+ YOE5+ years in application security; strong software engineering skills (Java, TypeScript); AWS security experience; security tooling in CI/CD; knowledge of SOC 2, HIPAA, GDPR; highly autonomous.
Java, Spring Boot, TypeScript, React, Terraform, AWS
1mo
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Software Engineering Manager, Risk Engineering
New York City or San Francisco
$193k-$275k/yr HybridFull Time
8+ YOE3+ Mgmt8+ years in software development; 3+ years leading engineering teams; strong architecture focus; experience with full stack systems (Scala/Java and React Native); proven stakeholder collaboration.
Scala, Java, React Native
HiringCafe market data
Java React Developer Jobs market signals in Fairfield, CT, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
170+
Hiring companies
84
Fresh sample
58% new in 30d
Salary visibility
81% show pay
Companies appearing in this market
BloombergMetropolisRidgelineUBSAres ManagementCartaGuardian LifeIterable
Work location mix in visible results
Hybrid: 26Onsite: 25Remote: 2