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Java Developer Jobs in Waterbury, CT, US
100+ java developer jobs from 47 companies hiring in Waterbury, CT, US.
23h
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Associate Software Engineer - Java
Hartford or Danbury or Charlotte or Morristown
$70k-$105k/yr HybridFull Time
1+ YOE1–3 years software development; Java/J2EE; Spring Boot REST APIs; Hibernate/JPA; PostgreSQL; NoSQL exposure; AWS/GCP; REST/SOAP; Agile; Bachelor's degree in CS/Engineering or equivalent; US work authorization.
Java, J2EE, Spring Boot, Hibernate, PostgreSQL, NoSQL, AWS, GCP, REST, SOAP, GitHub, Jenkins
1mo
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Staff Software Engineer - Java Cloud (Health100 Platform)
Woonsocket or Boston or Scottsdale or Hartford or Richardson or Chicago
$118k-$284k/yr HybridFull Time
7+ YOE7+ years Java development; REST APIs/microservices; cloud (GCP/Azure); CI/CD and TDD; mentorship; strong ownership.
Java, Spring, Spring Boot, REST, Cloud - GCP/Azure, CI/CD, TDD, Kafka, Pub/Sub
2mo
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Lead Software Engineer (Java/NextJS) - Peer Insights
Irving or Stamford
$116k-$170k/yr HybridFull Time
5+ YOE5+ years in web app development; strong React, Next.js, Java, TypeScript; UI-focused; secure coding practices; multi-platform design; cloud and containerized pipelines knowledge.
React, Next.js, Java, TypeScript, PL/SQL, ElasticSearch, Valkey
1mo
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Software Engineer I (Java, Business Rules)
Hartford, Connecticut, United States
$99k-$163k/yr HybridFull Time
3+ YOEThree years programming experience; Java, PostgreSQL, AWS, Business Rules Management Systems; Agile; strong problem solving and communication; Bachelor's in CS or related field; two additional years of software engineering experience.
Java, PostgreSQL, AWS, Business Rules Management Systems
1w
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Application Developer / Engineer I
Atlanta or Wallingford or Louisville or Tampa or Indianapolis or Miami or Wilmington or Mason or Richmond or Des Moines
HybridFull Time
3+ YOEBA/BS in IT or CS; 3+ years in application/system development; .NET, Java, Angular/React; API development; SQL Server; MongoDB; cloud concepts; on-call support.
.NET, Java, Angular, React, APIs, SQL Server, MongoDB, Cloud
3d
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Backend Software Developer
Greenwich, Connecticut, United States
HybridFull Time
4+ YOEBachelor's degree in computer science or related field; 4+ years in backend development with Java; experience with Spring, Oracle, REST, Python; financial services experience preferred.
Java, Spring, Spring Boot, JDBC, Oracle, PL/SQL, REST, JMS, ActiveMQ, Git, Python, Shell Scripting
1w
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Sr. Software Engineer
Shelton, Connecticut, United States
$119k-$149k/yr OnsiteFull Time
5+ YOEDesign, develop, maintain APIs/integrations; 5+ years production software; proficient in C#, Java, or JavaScript/Node.js; strong problem-solving and communication.
C#, Java, JavaScript/Node.js, AWS, Code assistants (Copilot/Claude)
1w
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Senior Software Engineer
Bristol or Burbank or Glendale
$142k-$190k/yr OnsiteFull Time
5+ YOE5+ years web development; Node.js/Java/Kotlin; cloud AWS; frontend tech; HTTP servers; test-driven, agile; strong communication.
Node.js, Java, Kotlin, AWS, NGINX, HAProxy, Apache, CloudFront, Fargate, React Native, JavaScript, TypeScript
2mo
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Senior Software Engineer
Rensselaer, New York, United States
$78k-$147k/yr OnsiteFull Time
2+ YOEBachelor's degree in Computer Science or Information Systems; 2 years of software development experience; experience with Java/JavaScript; familiarity with SQL and web technologies.
Eclipse SVN, Java, JavaScript, Jenkins, JBoss, Oracle SQL Developer, JUnit
2mo
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Software Engineer – Azure Application Developer
Cincinnati or Austin or Atlanta or Milwaukee or Houston or Hartford or Denver or Dallas or Detroit or Columbus
OnsiteFull Time
2+ YOE2+ years of professional experience building enterprise solutions using .NET and/or Java on Azure; experienced with RESTful services, Azure PaaS, databases, and containers.
C#/.NET, Java, Azure, Azure App Services, Azure Functions, Service Bus, Entity Framework, Azure SQL, Docker, Kubernetes, AKS, GitHub Actions, Azure DevOps
3h
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Software Engineer II
Glastonbury or Duluth or Goldsboro or Columbus or Raleigh or Glen Allen or Scottsdale
RemoteFull Time
3+ YOEBachelor's in CS/Software Eng or related field; 3+ years in software development; proficient in Java, C#, Python, or JavaScript; SDLC/agile; strong data structures/OO design; Git; unit/integration testing.
Java, CSharp, Python, JavaScript, Git, AWS, Azure, Google Cloud, Docker, Kubernetes, CI/CD, Microservices
2w
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Android Developer (Berlin, CT, US, 06037)
Berlin, Connecticut, United States
OnsiteFull Time
3+ YOEBachelor’s degree in Computer Engineering, Computer Science, Information Systems or related field; 3 years mobile development experience; Kotlin/Java for Android; Jenkins, Maven, GitHub/GitLab; RESTful SDKs/APIs; SQL; SCRUM; Agile; in-office work required
Kotlin, Java, Jenkins, Maven, GitHub, GitLab, RESTful APIs, SQL, SCRUM, Agile
1mo
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Senior Software Engineer
Bloomfield, Connecticut, United States
OnsiteFull Time
5+ YOE5+ years in application-level software for laboratory/industrial automation; Java or OO languages; embedded/real-time Java; Eclipse/VSCode; Git; robotics/automation experience.
Java, Eclipse, Visual Studio Code, Git, Docker, Kubernetes, REST, MySQL, MongoDB, Angular, Spring, Spring Boot, Hibernate JPA, ActiveMQ
2mo
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AI Engineer
Plano or Chicago or Purchase
$106k-$178k/yr HybridFull Time
Bachelor’s or Master’s in CS/AI/DS. Proven AI project leadership; strong coding in Python/Java/C++; experience with GenAI, Agentic AI, cloud deployment (AWS/Azure/GCP); capable communicator and cross-functional collaborator.
Python, Java, C++, Langchain, CrewAi, MCP, A2A, AWS, Azure, Google Cloud
3d
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Lead Platform Engineer
Boston or Hartford
$100k-$157k/yr RemoteFull Time
5+ YOEExtensive Kubernetes/OpenShift experience, OpenShift/ARO, Docker/Podman, Terraform/Ansible, CI/CD, Java/.NET apps, on-call support, strong collaboration.
Kubernetes, OpenShift, Azure OpenShift, Docker, Podman, Terraform, Ansible, Jenkins, GitHub, ArgoCD, Azure DevOps, Artifactory, JBoss, Nginx, Apache, Java, .NET, Dynatrace, Prometheus, Grafana, Kiali, Ansible Automation
2mo
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Embedded Software Engineer
Farmington, Connecticut, United States
$93k-$116k/yr OnsiteFull Time
Bachelor's in Electrical or Software Engineering; proficiency in C/C++, Python/Java; embedded software for real-time elevator controls; strong problem-solving and collaboration.
C, C++, Python, Java, Matlab, Simulink, .NET, Visual Studio, C#
1mo
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Portfolio Analytics Engineer - Vice President
Greenwich, Connecticut, United States
$165k-$185k/yr OnsiteFull Time
7+ YOE7+ years software engineering, expert in Java, Python production, distributed microservices, observability, and finance interest.
Java, Python, Elasticsearch, Redis, RabbitMQ, PostgreSQL, MS SQL Server
2mo
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Sr Software Engineer
Bristol or Glendale
$142k-$190k/yr HybridFull Time
5+ YOE5+ years software engineering experience; BS in CS; proficient in Java, Python, or JavaScript; REST/GraphQL; AWS; Docker/Kubernetes; CI/CD; databases; Agile; strong communication.
Java, Python, JavaScript, REST, GraphQL, AWS, S3, Lambda, EC2, Docker, Kubernetes, Gitlab-CI, Terraform, CloudFormation, Jenkins, MongoDB, Redis, Elasticsearch, PostgreSQL, DynamoDB, TensorFlow, PyTorch
1mo
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Software Engineer
Danbury, Connecticut, United States
OnsiteFull Time
8+ YOE10+ years in object-oriented software design; 8+ years in C++ development; real-time control for mechatronics; RTOS (RTX); Agile experience; BS/MS in CS or related; strong problem solving and communication.
C++, Java, C#, .NET, RTX, SQLServer, Oracle
5d
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Sr. API Engineer
Shelton, Connecticut, United States
$119k-$149k/yr OnsiteFull Time
5+ YOE5+ years production software development; REST/GraphQL APIs; AWS serverless; CI/CD; third-party integrations; AI tooling familiarity.
AWS, API Gateway, DynamoDB, SQS/SNS, REST, GraphQL, Node.js, Java, C#, GitHub Actions, Azure DevOps, Git, GitHub Copilot, Claude
6d
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Software Engineer - Early Career (USA)
Stamford, Connecticut, United States
$130k-$175k/yr OnsiteFull Time
BS/MS in Computer Science or related STEM; strong data structures, algorithms, OOP; proficient in C++, C, Python, Java, or Rust; Linux familiarity; strong problem-solving and quick learning in a collaborative team.
C++, C, Python, Java, Rust, Linux
1mo
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Software Engineer - Cumberland/FICCO Tools Engineering
Greenwich, Connecticut, United States
$175k-$225k/yr OnsiteFull Time
2+ YOE2+ years in Python/Java/C++, experience shipping production systems, strong customer-facing skills, Linux-based high-throughput systems, degree in CS/Math/Physics/Engineering.
Python, Java, C++, TypeScript, Linux
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
3w
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Software Developer - Front-Office Trading ( AVP
Burlington or Boston or Stamford or Clifton or Princeton or Berwyn
$90k-$158k/yr OnsiteFull Time
5+ YOEJava and C# programming; XML/WS; ETL tools; database knowledge; travel 50-80%; financial services/consulting experience preferred.
Java, C#, XML, Web Services, ETL, Kettle, Talend, Tomcat, Perforce, Oracle, MS SQL Server, Perl, Crystal Reports, SQL Server Reporting Services, MQ Series, MSMQ, SonicMQ, Open JMS, Kafka, XML/XSLT
1mo
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Energy Management Systems (EMS) Software Engineer
Holyoke, Massachusetts, United States
$136k-$182k/yr HybridMultiple Commitments Available
7+ YOE1+ MgmtSenior EMS software engineer with 7+ years in real-time/EMS software; strong UNIX, Oracle PL/SQL, C++, JAVA; leadership experience; excellent communication and analytical skills.
UNIX, Oracle PL/SQL, C++, JAVA
1mo
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AVP, Product Engineer - AML
Chicago or Stamford or Alpharetta or Dallas or New York City or Charlotte or Cincinnati
$100k-$170k/yr HybridFull Time
3+ YOEDevelop, enhance AML products; 3+ years software engineering; Java/Python/C#; AML knowledge and collaboration with compliance teams.
Java, Python, C#, AML software platforms, SQL/NoSQL, APIs, ETL tools
2mo
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Mobile Security Engineer - Req# 502
Southington, Connecticut, United States
$110k-$155k/yr HybridFull Time
4+ YOE4+ years mobile app development; secure coding; iOS/Android; security tools; CI/CD; cross-team collaboration.
Swift, Objective-C, Kotlin, Java, Burp Suite, MobSF, Frida, Drozer, Postman, Checkmarx, Fortify, SonarQube, Git, CI/CD
5d
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Senior Software Engineer, APIs
Shelton, Connecticut, United States
$119k-$149k/yr OnsiteFull Time
5+ YOE5+ years production software development; RESTful/GraphQL APIs at scale; AWS serverless; AI tooling; third-party integrations; CS/SE degree or equivalent; Shelton, CT location.
AWS, API Gateway, DynamoDB, SQS, SNS, Node.js, Java, C#, REST, GraphQL, GitHub Copilot, Claude, GitHub Actions, Azure DevOps
1w
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Senior Software Engineer
Hartford, Connecticut, United States
$92k-$164k/yr RemoteFull Time
5+ YOE5+ years in reporting/analytics; Power BI, Snowflake; 3+ years C#/.NET or Java; MS SQL; frontend/API tech; cloud and DevOps; OpenAI tools.
Power BI, Snowflake, C#/.NET, MS SQL, React, JavaScript, jQuery, AJAX, CSS, HTML, REST API, OpenAI, GitHub Copilot, Terraform, Docker, Kubernetes, Azure, AWS, GCP, CI/CD, Linux, PowerShell, GitHub Actions, Azure DevOps
3w
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System Software and Performance Engineer, Silicon
Mountain View or Austin or Poughkeepsie or Portland
$138k-$198k/yr OnsiteFull Time
4+ YOEBachelor's degree in EE/CE/CS or equivalent; 4 years in C/C++ or Java with Python; experience in linux kernel, toolchains, or android system software; experience in full-stack performance analysis.
C, C++, Java, Python
6d
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AI Full Stack Engineer Sr Stf
Bethesda or Dover or Fort Worth or Highlands Ranch or King of Prussia or Moorestown or Orlando or Stratford
RemoteFull Time
15+ YOESenior AI/ML engineer with full-stack development, cloud deployment, and data/AI experience; US citizenship required; Bachelor's or higher in CS/IT/AI.
Python, CI/CD, GitLab, Jenkins, ArgoCD, RDS, Redshift, Snowflake, LLMs, MLOps, GenAI, API Development, Java, C++
1mo
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Process Engineer
Agawam, Massachusetts, United States
OnsiteFull Time
Bachelor’s in Mechanical, Electrical, Chemical Engineering, or CS; advanced degrees preferred; PLC, Python/Java/C++, SolidWorks, GD&T, FEA; rapid prototyping; strong problem solving and communication.
PLC, Python, Java, C++, SolidWorks, GD&T, Finite Element Analysis, COMSOL, Rapid prototyping
1mo
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Lead Data Engineer – Financial Data, Compliance & Business Intelligence
Chicago or Washington or Sarasota or Hartford or Costa Mesa or San Jose or Atlanta or Boston or Cleveland or Columbus or Dallas or Fort Lauderdale or Fort Wayne or Grand Rapids or Indianapolis or Los Angeles or Miami or New York City or Oak Brook Terrace or Sacramento or San Francisco or South Bend or Tampa or Houston or Austin
$111k-$226k/yr OnsiteFull Time
3+ YOE3+ years ETL development; experience with Bank Secrecy Act/AML regulations; consulting experience; strong ETL/EDW skills; Python/Java; cloud data warehousing (Azure/AWS/Snowflake); excellent communication and teamwork.
ETL tools, Python, Java, Azure, AWS, Snowflake
3d
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Software Development Engineer in Test (SDET)
Shelton, Connecticut, United States
$103k-$128k/yr OnsiteFull Time
4+ YOE4–7 years in software testing/automation; strong coding skills; familiarity with test automation frameworks; REST API testing; CI/CD experience.
Programming languages, Test automation frameworks, Selenium, Cypress, Playwright, REST-assured, Postman, Java, JavaScript, Python, C#, CI/CD
1mo
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Lead Software Engineer - Stanley Access Technologies
Farmington, Connecticut, United States
OnsiteFull Time
8+ YOE8+ years software engineering; solution architect experience; Agile; AWS/JVM stack; IoT interest; cross-domain leadership.
AWS, Java, Spring Boot, Docker, Kotlin, Angular, Flutter, Django, AWS IoT Core
1mo
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Lead Software Engineer - Stanley Access Technologies
Farmington, Connecticut, United States
OnsiteFull Time
8+ YOELead software engineer with 8+ years of experience; architecture leadership; full-stack skills; Agile; AWS; interest in IoT.
AWS, Java, Spring Boot, Docker, Kotlin, Angular, Flutter, Django
3d
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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
1mo
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Software Engineer (AI/ML Interface Development)
San Diego or Nashua or Greenlawn or Durham
$92k-$157k/yr HybridFull Time
4+ YOEBS in CS/Software Eng; 4+ yrs in software dev; proficiency in Python/Java/C++; experience with AI/ML models, LLMs, vector DBs; API/microservices; CI/CD; Docker/Kubernetes; US Secret Clearance.
Docker, Kubernetes, Python, Java, C++, TensorFlow, PyTorch
1mo
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Process Engineer - Defect Systems
Hopewell Junction, New York, United States
$66k-$102k/yr OnsiteFull Time
onsemi: Designs and manufactures power and sensing semiconductor components.
BS in Engineering or Computer Science; strong communication and leadership; English fluency. Preferred: MS in Engineering or CS; experience with SQL, Java, JavaScript, Python, HTML, XML, Git; semiconductor processing experience; familiarity with 5S, 8D, 6-sigma, SPC, DOE, FMEA.
Java, JavaScript, Python, HTML, XML, Git, SQL
1w
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Palantir Forward Deployed Senior Engineer
Chicago or Milwaukee or Dallas or Columbus or Kirkland or New York or Cincinnati or St. Louis or Cleveland or Oklahoma City or Austin or Albany or St. Pete or Hartford or Pittsburgh or Phoenix or Seattle or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or San Francisco or Morristown or Denver or Boston or United States
HybridFull Time
5+ YOE5+ years data engineering; 3+ years Palantir Foundry/Gotham; 3+ years AI techniques with Palantir AIP; 5+ years cloud (AWS/Azure/GCP); 5+ years Python, PySpark, Java; Bachelor’s degree in CS/Engineering or equivalent
Python, PySpark, Java, Palantir Foundry, Palantir Gotham, AIP
HiringCafe market data
Java Developer Jobs market signals in Waterbury, 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
100+
Hiring companies
47
Fresh sample
44% new in 30d
Salary visibility
76% show pay
Companies appearing in this market
SubwayThe Walt Disney CompanyCVS HealthISO New EnglandThe HartfordTravelersSynchronyTrexquant
Work location mix in visible results
Hybrid: 36Onsite: 33Remote: 6