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Java Python Developer Jobs in Wallingford, CT, US
61 java python developer jobs from 30 companies hiring in Wallingford, CT, US.
1mo
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Technical Software Engineering Lead - Java
Chicago or Hartford or Charlotte or Columbus
$116k-$189k/yr HybridFull Time
5+ YOELead engineering teams to deliver Java/J2EE applications, cloud native architectures, and AWS-based solutions; strong design, DevOps, and security practices; 5+ years of Java experience; hybrid work schedule.
Java, J2EE, Springboot, Apache Camel, AWS, CloudFormation, Terraform, CDK, Python, Lambda, Jenkins, GitHub, Docker, Kubernetes, SonarQube, Copilot
8h
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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
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 Engineering; 4+ years in software development; strong AI/ML interface experience; proficiency in Python, Java, C++; API/microservices; experience with LLMs and vector databases; Docker/Kubernetes; CI/CD; US Secret Clearance.
Python, Java, C++, Docker, Kubernetes, APIs, CI/CD, LLMs, vector databases
2mo
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Sr Software Engineer
Bristol or Glendale
$142k-$190k/yr HybridFull Time
5+ YOE5+ years experience; BS in CS or equivalent; proficient in Java, Python, or JavaScript; REST/GraphQL; AWS; Docker; Kubernetes; CI/CD; databases; Agile; strong communication.
Java, Python, JavaScript, REST APIs, GraphQL, AWS, S3, Lambda, EC2, Docker, Gitlab-CI, Terraform, CloudFormation, Jenkins, Kubernetes, MongoDB, Redis, Elasticsearch, PostgreSQL, DynamoDB
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
1d
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Sr Software Development Engineer
Hartford, Connecticut, United States
$102k-$204k/yr HybridFull Time
5+ YOE5+ years software delivery and chatbot development experience; experience with IBM Watson or similar tools; backend skills in Java/Node.js; multilingual coding.
Java, Node.js, Python, JavaScript, TypeScript, IBM Watson Assistant, IBM Voice Gateway, IBM Discovery, Dialogflow CX, LivePerson, Amazon Lex, Kore.ai, SSML, Speech to Text
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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Software Engineer
Bloomfield, Connecticut, United States
OnsiteFull Time
3+ YOE3+ years in robotics/embedded software; proficiency in Java, C/C++, Python, or Rust; strong OO design and system integration; RTOS/embedded expertise; Bachelor’s or Associate with robotics experience, or high school diploma with 4+ years of robotics experience.
Java, C++, Python, Rust, Git, CI/CD, Angular, Node.js, Docker, Kubernetes
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
2mo
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Senior Software Engineer
Hartford, Connecticut, United States
$139k-$230k/yr HybridFull Time
5+ YOESenior software engineer with 5+ years IT experience; proficient in Java/Spring or C#, Python, JavaScript, Angular/React; experience with microservices and cloud platforms; IAM, OAuth2; bachelor’s degree; 6+ years software engineering.
Java, Spring Framework, CSharp, Python, JavaScript, Angular, React, AWS, Azure, Cloud Foundry, OAuth 2.0, IAM, Microservices, OAuth/OAuth2
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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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
1d
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Software Engineer (Development & QA Automation) (Hybrid - Newark, NJ or NYC)
Edgewood or Newark or New York City
$90k-$950k/yr HybridFull Time
Bachelor's degree in Computer Science or equivalent; experience with Java, Python, Perl, Linux, scripting, Selenium, and Cucumber; automated testing experience; AGILE knowledge.
Java, Python, Perl, Linux, Shell scripting, Selenium, Cucumber
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
2w
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Application Security Engineer
Quincy or New York or Princeton or Austin or Burlington or Durham or North Quincy or Cambridge or Norwalk or Boston or Manchester or Richmond
$90k-$158k/yr OnsiteFull Time
6+ YOE6+ years in software development/security with DevSecOps/AppSec focus; strong CI/CD automation; cloud (Azure/AWS); SAST/DAST/SCA; container security; CISSP or similar; programming in Java/.Net/Python/Node.js; IaC with Ansible/Terraform/Kubernetes; agile environment.
Java, DotNet, Python, Node.js, Azure, AWS, SAST, DAST, SCA, Kubernetes, Ansible, Terraform, Infrastructure as Code
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
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
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
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++
4d
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Data Engineer II - Credit Review Automation and Analytics
Charlotte or Newark or Stamford or Plano or Dallas or Boston or Providence or East Hartford or Pennington
$94k-$115k/yr OnsiteFull Time
2+ YOETwo years internal audit experience required; 1 year programming/technical experience (SQL, Python, SAS, Alteryx, HTML, Java)
SQL, Python, SAS, Alteryx, HTML, Java
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
2mo
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AI Engineer I
North Haven, Connecticut, United States
OnsiteFull Time
2+ YOEBachelor’s degree in computer science, AI, ML or related; two years AI/ML design, development, deployment; Python/other languages; strong data structures/algorithms; AI frameworks; problem solving; Copilot and data security experience preferred.
Python, C, R, Java, Machine Learning frameworks, Microsoft Copilot, Data security
5d
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Sr. QE (Senior Quality Engineer, APIs)
Shelton, Connecticut, United States
$119k-$149k/yr OnsiteFull Time
5+ YOE5+ years in quality or software engineering; backend API testing; automated test suites; experience with REST APIs; AWS serverless; CI/CD integration; AI-assisted tools; contract testing.
JavaScript, TypeScript, Java, Python, REST APIs, AWS (Serverless: Lambda, API Gateway, DynamoDB, SQS/SNS), CI/CD (Azure DevOps, GitHub Actions), AI-assisted development tools (GitHub Copilot, Claude), Contract testing, Test automation frameworks
1mo
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Quality Engineer - Hybrid in CT or MN
Hartford or Minneapolis
$73k-$130k/yr HybridFull Time
3+ YOEBachelor's degree in computer science or related field; 3+ years test automation experience; strong QA/testing and automation skills.
Python, Selenium, Java, Cucumber, Jenkins, Sauce Labs, ATDD, Gherkin, Rally, AWS, Azure, GCP
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 programming; CI/CD experience; API/UI testing; Agile environment.
Selenium, Cypress, Playwright, REST-assured, Postman, Java, JavaScript, Python, C#
3mo
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Data Engineer - Manager
Atlanta or Raleigh or Charlotte or Chicago or Cincinnati or Cleveland or Columbia or Dallas or Baltimore or New York or Albany or Buffalo or Boston or San Antonio or Sacramento or Los Angeles or Irvine or San Diego or Seattle or Orlando or Pittsburgh or Portland or Miami or New York or Houston or Phoenix or Atlanta or Las Vegas or Austin or Jacksonville or Florham Park or Hartford or Albany or Stamford or Cary or San Bernardino or Las Vegas or Baltimore or Portland or Albany
$99k-$232k/yr HybridFull Time
5+ YOE5 years of data engineering experience; Bachelor's degree in MIS, CS, Engineering, Math, or related field; cloud and data architecture knowledge; strong SQL and programming skills.
SQL, Python, Java, Scala, Hadoop, Spark, Kafka, AWS, Azure, GCP, ETL/ELT, Data Warehouses, Data Lakes, Data Governance, IAM, Terraform, CloudFormation, Databricks, Snowflake
2mo
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AI / ML Engineer
Chattanooga or Norwalk
OnsiteFull Time
3+ YOEBachelor's degree preferred; 3-5 years in innovation management or tech incubation; strong analytical, problem-solving, and communication; experience with generative AI; project management skills.
Python, Node.js, Java, Cloud Services
10h
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Lead Application Engineer
Stamford, Connecticut, United States
OnsiteFull Time
5+ YOESenior-level IT/engineering role overseeing enterprise applications, ERP modernization, system integrations, and cloud transformations.
TypeScript, JavaScript, Node.js, React, SQL Server, PostgreSQL, Azure, SAP, Oracle, Microsoft Dynamics, Java, .NET, Python
1mo
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Software Engineering Advisor - Hybrid
Raleigh or Austin or Bloomfield or Denver or Bloomington or Morris Plains or Plano
$112k-$186k/yr HybridFull Time
8+ YOE8+ years in software automation testing; 3+ years in Agile; automation tools Selenium, Cucumber, Java, Cypress, Robot Framework (Python); OO programming; relational databases; GitHub; strong communication.
Selenium, Cucumber, Java, Cypress, Robot Framework (Python), GitHub, Object-Oriented Programming, Relational Databases, JavaScript, TypeScript, AWS, DynamoDB, S3, Lambda, Pega
1mo
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Software Development Manager
Austin or Chicago or New York or Old Greenwich
$150k-$250k/yr OnsiteFull Time
10+ YOE10+ MgmtSenior software engineering manager in financial domain; 10+ years leadership; strong C++, Java, or Python; ability to translate complex concepts into actionable tasks.
C++, Java, Python
4d
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Kubernetes Platform Specialist (AWS)
Hartford or Saint Paul
$49k-$105k/yr HybridFull Time
8+ YOE8-10 years in cloud engineering/DevOps, AWS (EKS, EC2, IAM, VPC, Lambda, S3, RDS, CloudFormation, CloudWatch, Route 53), Kubernetes/EKS, Docker, Python and shell scripting, Jenkins CI/CD, IaC (CloudFormation/Terraform/AWS CDK), security/compliance, architecture and automation.
AWS, EC2, EKS, IAM, VPC, Lambda, S3, RDS, CloudFormation, CloudWatch, Route 53, Kubernetes, Docker, Python, Bash, Go, TypeScript, Java, Jenkins, Terraform, AWS CDK, Terraform, Git, CI/CD, Infrastructure as Code, RBAC, network_policies, Helm
1mo
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Associate
Austin or Bridgewater or Charlotte or Hartford or Phoenix or Raleigh or Richardson
$65k/yr OnsiteFull Time
0+ YOEBachelor’s degree in CS/IT or related field; recent graduates; SDLC training; multiple US locations; no visa sponsorship.
Java, Python, C/C++
2mo
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Automation Tester with Hammer/Cyara and Conversational AI Testing experience
Hartford, Connecticut, United States
$71k-$113k/yr OnsiteFull Time
3+ YOE3+ years in QA automation; strong programming fundamentals; experience with Hammer On Demand, Cyara, Selenium; AI testing; CI/CD integration; API and backend testing; GenAI exposure.
Hammer On Demand, Cyara, Selenium, Java, JavaScript, Python, Git, Cucumber, SpecFlow, Windsurf, Cursor, REST, SOAP, AWS, GCP, IBM Cloud
1mo
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Scientist III/IV: Purification Assessment and Analytics, Biotherapeutics (Ridgefield, CT, United States, Connecticut)
Ridgefield, Connecticut, United States
$90k-$147k/yr OnsiteFull Time
3+ YOEExperience with protein purification and analytics; advanced degree with relevant experience; strong data analysis and automation skills.
MATLAB, Python, SQL, R, Minitab, JMP, Statistica, Java, HPLC, CGE, DLS, SDS-PAGE
HiringCafe market data
Java Python Developer Jobs market signals in Wallingford, 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
61
Hiring companies
30
Fresh sample
41% new in 30d
Salary visibility
80% show pay
Companies appearing in this market
The Walt Disney CompanyCVS HealthSubwayThe HartfordTravelersTrexquantBAE SystemsCognizant
Work location mix in visible results
Hybrid: 31Onsite: 21Remote: 2