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Java Python Developer Jobs in Connecticut, United States
720+ java python developer jobs from 390+ companies hiring in Connecticut, United States.
2mo
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Lead LLM Engineer
United States
RemoteFull Time
6+ YOELead Azure-based LLM stack design, fine-tuning, and deployment; build retrieval pipelines; optimize performance and reliability.
Azure Machine Learning, AKS, FAISS, Pinecone, Python, Go, Java, Docker, Kubernetes, FastAPI, Flask, Azure AD, Key Vault, Azure Monitor, Grafana, LoRA, QLoRA, PEFT
5d
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Staff Software Engineer
United States
$150k-$225k/yr RemoteFull Time
8+ YOEEight+ years of software engineering; backend/full-stack focus; distributed systems; APIs; databases; cloud infra; CI/CD; Kubernetes.
Java, Go, Python, TypeScript, Kubernetes, AWS, GCP, Azure, CI/CD, SQL, NoSQL, Kafka, Pub/Sub
1mo
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Staff Software Engineer
United States
RemoteFull Time
6+ YOESeeking a Staff Software Engineer to build AI-enabled software with a systems mindset and product orientation.
Python, Java, Angular, DBT, Snowflake
1w
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Sr. Software Engineer
United States
$99k-$168k/yr RemoteFull Time
Senior software engineer with strong OO, cloud, RESTful services, databases, and modern frameworks; lead design, mentor teammates, and collaborate with stakeholders.
REST, PostgreSQL, SQL Server, JPA, Hibernate, Entity Framework, Azure, AWS, Jira, Confluence, C++, Java, JavaScript, Python, SQL, PL/SQL, .NET, Google Web Toolkit
1mo
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Lead Software Engineer
United States
$139k-$244k/yr RemoteFull Time
7+ YOESenior backend-focused engineer with 7+ years in programming; strong PHP, MySQL, Linux, CI/CD, and cloud experience; authorized to work in the U.S.; BS or higher in Computer Science or related field.
PHP, Python, GoLang, Java, MySQL, Redis, Memcached, Linux, Docker, GCP, OTel
2mo
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QA Automation Engineer
United States
RemoteFull Time
3+ YOE3–5 years in test automation for healthcare, build automation frameworks, UI/API/DB automation, AI-powered testing, HIPAA compliance.
Playwright, Selenium, RestAssured, Cucumber, NUnit, TestNG, CI/CD, Azure DevOps, BDD, SpecFlow, C#, Java, Python, JavaScript
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
2mo
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Senior Software Engineer, Backend
United States
$175k-$200k/yr RemoteFull Time
4+ YOEBackend software engineer with 4+ years in service-oriented, high-throughput systems and platform infrastructure.
Python, Java, Go, REST, GraphQL, gRPC, SQL, NoSQL, AWS, GCP, Infrastructure as Code, GitOps
2mo
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Engineer, Big Data - Power BI/Databricks/SQL/Data Modeling - Remote
United States
RemoteFull Time
3+ YOE3+ years ETL, data modeling, Python/Java/Scala; Hadoop/Spark/Hive; Kafka/Storm; NoSQL; REST/SOAP APIs; data governance and visualization tools.
Hadoop, HDFS, YARN, Zookeeper, Ambari, Cloudera Manager, Sentry, Ranger, Kerberos, Kafka, Storm, Spark, Hive, Impala, Polybase, Phoenix, Presto, Kylin, Talend, Java, Scala, Python, REST, SOAP, Power BI, Databricks, SQL, NoSQL, HBase, MemSQL, Metadata Management, Data Governance
2w
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Test Automation Engineer (Contract)
United States
RemoteContract
3+ YOE3+ years programming; 2+ years automated testing; experience with PyTest/JUnit/Playwright/Cypress; API testing; Agile; strong ownership.
Python, JavaScript, Java, PyTest, JUnit, Playwright, Cypress, REST API, OpenAPI, Apigee, CI/CD, AWS, GCP
1mo
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Staff Software Engineer - AAA
United States
$192k-$241k/yr RemoteFull Time
6+ YOE6-8 years in software engineering with technical leadership; strong OOP and full‑stack skills; experience with React/TypeScript; security, scalability, and architecture focus.
Ruby, Python, Java, C#, Kotlin, Ruby on Rails, PostgreSQL, React, TypeScript
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
1w
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Data Engineer
United States
$132k-$166k/yr RemoteFull Time
4+ YOEBachelor’s or master’s degree in Computer Science, Engineering, or related field; 4-7 years data engineering experience; strong Python, SQL, and cloud data platform skills.
Python, Java, Scala, Spark, Hadoop, SQL, Airflow, Informatica, Talend, BigQuery, AWS, Redshift, Snowflake, Databricks
2mo
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Model-Based Systems Engineer - Mid Level - Clearance Required
United States
$134k-$232k/yr RemoteFull Time
5+ YOEBS in engineering; 5-7 years MBSE/SE; OOSEM; MBSE tools; OC S M P; MATLAB/Python/Java/C++; Agile; strong communication; active Secret clearance.
Magic Draw, Cameo, Enterprise Architect, MATLAB, Python, Java, C++
5d
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Data Engineer
United States
$130k-$145k/yr RemoteFull Time
5+ YOE5-10+ years data engineering with ETL/ELT, SQL, Python/Spark; US citizen/GC with ability to obtain Public Trust; strong data governance and cloud (GCP) experience.
Python, Spark, SQL, Teradata, Oracle, Unix/Linux, Java/J2EE, Kafka, GCP, Spring, REST APIs
1w
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Lead Software Development Engineer - Testing (REMOTE)
United States
$95k-$159k/yr RemoteFull Time
6+ YOELead testing team; design end-to-end testing; implement automation; collaborate with CI/CD; mentor engineers.
Selenium, JUnit, TestNG, Cucumber, Java, JavaScript, Python, C#, Jenkins, GitLab CI/CD, Bamboo, SQL, AWS, Azure, GCP, Docker, Kubernetes
3w
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Senior DataOps Engineer
United States
$130k-$160k/yr RemoteFull Time
6+ YOE6+ years in DevOps/DataOps or data platform engineering; Spark experience; Python; Java/Scala; Airflow or similar; CI/CD; IaC; public cloud.
Apache Spark, Databricks, AWS EMR, GCP Dataproc, Airflow, Prefect, GitLab CI, Jenkins, GitHub Actions, Terraform, Ansible, AWS CloudFormation, Azure ARM Templates, Linux, Kubernetes
1mo
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Lead Software Engineer – Enterprise Observability
United States
$129k-$178k/yr RemoteFull Time
7+ YOE7+ years in software/infrastructure engineering with observability/logging; associate degree; strong OS, networking, distributed systems; open telemetry; CI/CD; IaC; cloud-native; API design; leadership.
Python, DotNet, Java, Go, Node.js, GitHub Actions, Azure DevOps, Terraform, Ansible, Azure, AWS, GCP, REST, gRPC, OpenTelemetry, Splunk, Dynatrace, Cribl, Grafana
1mo
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Gifthealth Inc - Staff Software Engineer
United States
$164k-$205k/yr RemoteFull Time
8+ YOE8+ years software engineering; production-grade systems; cloud-native; backend proficiency; remote work; healthcare domain knowledge preferred.
Ruby, Elixir, Python, Java, Go, Node.js, AWS, GCP, Azure
2mo
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Staff Back End Engineer (Applications)
Toronto or United States
RemoteFull Time
Experience designing complex backend systems; strong in backend languages; data modeling; SQL; graphs; observability; mentorship; cross-functional collaboration.
Python, Java, Kotlin, Go, C#, SQL, Graph databases
3d
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Senior Staff Data Engineer (Residence Based, Residence Based, US)
United States
$124k-$186k/yr RemoteFull Time
5+ YOEBachelor’s degree in CS/Software Eng or related field; 5+ years data engineering with BigQuery/Google Cloud, Python/Java/Golang; experience with data modeling, streaming/batch, and data governance.
Google BigQuery, Google Cloud Platform, Python, Java, Golang, GitHub, GitLab, Terraform
5d
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Senior Forward Deployed Engineer
United States
$200k-$315k/yr RemoteFull Time
7+ YOE7-10 years production software engineering; 3+ years frontline AI tool usage in production; cloud infra (AWS/Azure/GCP); travel 35-50%; remote embedding with portfolio companies; strong collaboration and delivery focus.
Python, Java, Go, TypeScript, Csharp, AWS, Azure, GCP, Docker, CI/CD, Observability, Claude Code, Cursor, Copilot
4d
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Senior Software Test Engineer
United States
$80k-$120k/yr RemoteFull Time
10+ YOE10+ years software testing, BS/MS in CS/IT/Engineering, US citizenship with ability to obtain Public Trust; manual and automated testing; Agile/Scrum; SDLC; strong tools knowledge.
Selenium, TestNG, JUnit, QTP, LoadRunner, GitHub Actions, Git, SVN, JMeter, Gatling, JIRA, Bugzilla, SQL, Java, Python, C#
3d
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Sr Software Engineer, Applications
United States
$119k-$186k/yr RemoteFull Time
5+ YOE5+ years software engineering; experience with large-scale cloud-native systems; CI/CD, testing, and platform reliability; strong collaboration and ownership.
Ruby, Rails, JavaScript, React, Java, Python, PostgreSQL, Redis, Kafka, RabbitMQ, Sidekiq, AWS, EC2, RDS, Docker, Terraform, Kubernetes, Datadog, Airbrake
3d
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Staff Software Engineer AI
United States
$101k-$204k/yr RemoteAll Commitments Available
7+ YOE7+ years software engineering; 3+ years leading multi-team AI initiatives; Bachelor's in CS/IS or related; strong AI/ML, software, and cloud skills; excellent collaboration.
Java, Python, Go, C++, JavaScript, REST, gRPC, Apache Kafka, Apache NiFi, Amazon SQS, MS MQ, Apache Camel, Docker, Kubernetes, AWS, Google Cloud, Azure, DevSecOps
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
3mo
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Performance Staff Software Engineer - SSE Architecture
United States
RemoteFull Time
6+ YOEBachelor's in CS/Engineering; 6+ years software engineering; 2+ years in load testing; strong cloud and DB experience.
Java, Kotlin, C++, Go, PostgreSQL, k6, JavaScript, Grafana, InfluxDB, AWS, Bash, Python
1mo
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Senior DevOps Engineer
United States
RemoteFull Time
Experience with Terraform, Kubernetes, AWS; strong programming background; knowledge of Golang, NodeJS, Python; familiarity with SaaS monitoring tools.
Terraform, Kubernetes, AWS, Docker, Docker Compose, Helm, Golang, C/C++, Java, NodeJS, Ruby, Python, Perl, Lua, Bash, Make, Datadog, OpsGenie, Splunk, SumoLogic, PagerDuty, New Relic, GitHub Actions, Codefresh, CircleCI, GitHub, Terraform inside Kubernetes, Teleport SSH, Helm deployments, Kubernetes CI/CD
2w
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CareMetx - Senior Software Engineer II
United States
RemoteFull Time
8+ YOEBachelor’s in CS/Software Eng or related; 8–12 years software eng; 2+ years in senior role; pharma/healthcare tech exp preferred; backend/frontend, AI/ML tools, cloud, CI/CD.
Python, Java, C#, Node.js, React, TypeScript, Angular, REST, GraphQL, microservices, AI/ML, LLM, OpenAI, Azure OpenAI, Anthropic, AWS, Azure, GCP, Docker, Kubernetes, Terraform, Pulumi, GitHub Actions, Azure DevOps, Jenkins, SQL, NoSQL
1mo
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Senior QA Engineer
United States
RemoteFull Time
7+ YOE7+ years in software QA, manual and automation testing; strong automation framework experience; SDLC/AGILE; programming in Java/Python/JavaScript; API testing; SQL; CI/CD; leadership skills.
Selenium, Cypress, Playwright, Appium, TestNG, JUnit, Postman, REST Assured, SQL, Jenkins, GitLab CI, GitHub Actions
2mo
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Security Engineer II
United States
$160k-$185k/yr RemoteFull Time
2+ YOE2+ years in security-focused engineering; 5+ years in software development; proficient in modern languages; cloud security experience; strong communication; ownership and leadership.
Node.js, GraphQL, TypeScript, JavaScript, Ruby, Java, Python, Golang, Cloud
1mo
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AI Optimization Engineer
United States
RemoteFull Time
3+ YOEMaster's or PhD in quantitative field; 3+ years of hands-on optimization; Python; OR-Tools/Gurobi/CPLEX/HiGHS/SCIP; AWS; strong communication; product ownership.
OR-Tools, Gurobi, CPLEX, HiGHS, SCIP, Python, C++, Java, AWS
2mo
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Sr. .Net Full Stack Engineer
United States
$145k-$165k/yr RemoteFull Time
8+ YOESenior .NET full stack engineer with 8+ years dev experience, cloud/AWS, CI/CD, Agile; BS or MS, strong architecture and customer-facing experience.
AWS, Java, JavaScript, C#, Python, Go, Node.js, Ruby, Swift, C/C++, Docker, Kubernetes, Jenkins, Terraform, Ansible, Chef, Puppet, Linux, Windows
4d
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Staff Software Engineer, Machine Learning (Computer Vision), Remote
United States
$150k-$190k/yr RemoteFull Time
6+ YOE6+ years of production ML or computer vision experience; ownership of CV/ML systems; backend proficiency; cloud experience; startup-friendly; strong system design.
Python, Java, TypeScript, Go, AWS, GCP, Azure, Terraform, CDK
2mo
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Cybersecurity Engineer (USA, Remote)
United States
$110k-$130k/yr RemoteFull Time
7+ YOE7+ years IT experience; 2+ years incident response; 2+ years vulnerability management; 2+ years endpoint management; cloud IaaS/PaaS/SaaS; familiarity with Windows Server, Defender XDR, Azure Sentinel; PowerShell, Python.
SIEM, Vulnerability Management, IDS/IPS, EDR, DLP, Exchange Online, SharePoint Online, Teams, OneDrive, Intune, Defender XDR, Entra ID, Windows Server, PowerShell, Java, Python, Microsoft Defender, Azure Sentinel, Active Directory
1w
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Automation & SCADA Engineer
United States
RemoteFull Time
5+ YOESCADA/MES development experience with Ignition SCADA; strong industrial automation knowledge; remote work ability; travel up to 30%
Ignition SCADA, FactoryTalk, Siemens WINCC, C#, Java, C++, VBA, VBScript, Python
1mo
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Mission Operations Engineer
United States
RemoteFull Time
Provide desk-side training, develop data integrations, embed with users, travel up to 50%, U.S. citizenship, TS/SCI eligibility
Python, Java, JavaScript, TypeScript
1mo
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Senior Data Engineer Solution Design Focused
United States
$70k-$100k/yr RemoteFull Time
8+ YOE8+ years IT experience with 3+ in cloud architecture or GCP; strong SQL and Python; experience with Airflow and DBT; BigQuery; e-commerce/CPG/retail domain.
GCP, BigQuery, Airflow, DBT, SQL, Python, Git, Java, Scala
1mo
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QA Engineer Lead (fixed-term contract)
United States
RemoteContract
4+ YOE4+ years in QA, test automation, or backend testing with Java; design and scale automation; API testing; CI/CD integration; microservices; production-ready testing.
Selenium, Playwright, Cypress, Postman, RestAssured, Java, JavaScript, Python, CI/CD, JMeter, Docker, Kubernetes, Observability tools
4d
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Security Engineer, Product Infrastructure
United States or United States or United States or United States or United States or United States or United States
$108k-$205k/yr RemoteFull Time
Hands-on security engineering experience; experience with cloud security tools; Python/Go scripting; IaC (Terraform) and Kubernetes; on-call experience; strong communication; growth mindset.
Wiz, CrowdStrike, SonarCloud, Okta, Terraform, Kubernetes, AWS, GCP, GitHub, GitHub Actions, Jenkins, Python, Go, Java, JavaScript
HiringCafe market data
Java Python Developer Jobs market signals in Connecticut, United States
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
720+
Hiring companies
390+
Fresh sample
49% new in 30d
Salary visibility
68% show pay
Companies appearing in this market
SubwayChainalysisECSLMIMegazone CloudSAIC540ActBlue
Work location mix in visible results
Remote: 42Onsite: 5
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