272 senior python developer jobs at 96 companies in Plainfield, CT
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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
1d
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Sr. Python & Snowflake Developer
Hartford, Connecticut, United States
$85k-$120k/yr HybridFull Time
6+ YOERequires 6–10 years in software development or data engineering, strong Python, Snowflake, advanced SQL, enterprise data pipelines, data warehousing, monitoring, security, and stakeholder communication skills.
Python, Snowflake, SQL, AWS, Azure, Google Cloud Platform (GCP)
2w
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Senior Java Full Stack Developer – Python & Angular (Hybrid)
Westborough, Massachusetts, United States
$65k-$112k/yr HybridFull Time
7+ YOE7+ years experience building enterprise applications with Java, Python, and Angular. Requires Oracle/PL/SQL, test automation, Agile/DevOps practices, Git, JIRA, Zephyr Scale, Confluence, and familiarity with AI-assisted development tools.
Java, Python, Angular, Oracle, PL/SQL, Git, JIRA, Zephyr Scale, Confluence, AI-assisted development tools
1mo
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Senior Java Full Stack Developer – Python & Angular (Hybrid)
Westborough, Massachusetts, United States
$65k-$112k/yr HybridFull Time
7+ YOE7+ years experience; strong Java backend, Angular front-end, and Python skills; Oracle/PLSQL; OOP; AI-assisted development tools; test automation; Git; Agile tools (JIRA, Zephyr Scale, Confluence); must be authorized to work in the US.
AI-assisted development tools, Java, Angular, Python, Oracle, PL/SQL, Git, JIRA, Zephyr Scale, Confluence
1mo
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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
2mo
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Senior Software Engineer
Mansfield, Massachusetts, United States
$132k-$165k/yr HybridFull Time
3+ YOE3-5 years of software design and development with Microsoft stack; strong C#, .NET, ASP.NET; full-stack web experience (Angular, TypeScript); knowledge of SDLC; ability to mentor and collaborate.
C#, .NET, ASP.NET, TypeScript, Angular, Python
1w
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Senior Software Engineer
Framingham, Massachusetts, United States
HybridFull Time
7+ YOE7+ years software development experience; bachelor's in CS/EE or related; proficiency in distributed systems and AWS; Python and FastAPI/Nuxt/Celery experience; mentoring and strong communication.
AWS, Python, FastAPI, Nuxt, Celery, MQTT
2w
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Senior Software Engineer (Technical Lead) BSI - (Claude, GitHub, Python, NET/C#, Angular, AWS)
Hartford or Atlanta or Cockeysville or Saint Paul
$139k-$230k/yr HybridFull Time
5+ YOE5+ years software engineering experience, experience shipping LLM/AI agent production systems, proficiency with GitHub, Python, .NET/C#, Angular, AWS, databases, and strong communication and leadership skills.
GitHub, Python, NET/C#, Angular, AWS, OCF, Mongo, DocumentDB, SQL Server, Claude Agent SDK, LangGraph, AgentCore, Anthropic, OpenAI
2mo
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Senior Research Engineer - Experimental Engineering
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
Senior research engineer with deep full-stack software engineering experience, strong applied AI/ML knowledge, prototyping and R&D experience, Python/FastAPI and frontend (React/React Native) familiarity, and ability to lead experiments and mentor engineers.
AI, Machine Learning, Python, FastAPI, React, React Native, RAG
2w
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Data Engineer II (AWS, Python, SQL)
Hartford or Saint Paul
$127k-$209k/yr HybridFull Time
8+ YOEBachelor's in STEM or equivalent, ~8 years related experience, strong AWS, Python, SQL, data pipeline and MLOps experience, ability to lead and mentor engineers.
AWS, Python, SQL, Terraform, CI/CD
1w
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Senior Software Engineer – Platform & Agentic AI Engineering
Charlotte or Hartford or Columbus or Chicago
$128k-$191k/yr HybridFull Time
6+ YOE6+ years software engineering experience with 2+ years in GenAI/multi-agent systems; hands-on with Agentic protocols, AlloyDB/Postgres, GCP, Python/Typescript, Terraform, and LangChain/LangGraph; strong security and spec-driven development skills.
Google ADK, Anthropic MCP, LangGraph, LangChain, Python, Typescript, Terraform, GCP, AlloyDB, PostgreSQL, Vertex AI, Cloud Run, Cloud Storage, LangSmith, GitHub Spec-Kit, OpenSpec, BMAD-METHOD, Claude Code, GitHub Copilot, AWS Kiro
2mo
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Senior Principal Systems Development Engineer
Austin or Hopkinton
$183k-$237k/yr OnsiteFull Time
12+ YOE12-15 years experience; AI/Data Engineering with Python; databases and data pipelines; DevOps and infrastructure.
Python, Kubernetes, Elasticsearch, MS SQL, MongoDB, Cloud Platforms, Observability, Data Pipelines, Starburst, Trino
1mo
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Senior Mechanical Engineer
Milford, Massachusetts, United States
$107k-$178k/yr OnsiteFull Time
3+ YOEAdvanced degree or equivalent experience in mechanical engineering, experience designing precision mechanical and fluidic systems, prototype development, FEA/CFD analysis, 3D CAD (SolidWorks/NX), and strong cross-disciplinary communication.
SolidWorks, NX, FEA, CFD, C++, Python, MATLAB, LabVIEW
1mo
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Senior Full Stack Drupal Developer
Farmington, Connecticut, United States
$100k-$120k/yr OnsiteFull Time
4+ YOE4+ years full‑stack development with 4+ years Drupal (10/11) experience, Python and AWS Lambda proficiency, 2+ years AI development, cloud-native/AWS knowledge, strong technical leadership and communication.
Drupal 10, Drupal 11, Python, AWS Lambda, AWS, Salesforce, HubSpot, Constant Contact
2w
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Senior Software Development Engineer - Microservices
Hartford, Connecticut, United States
$102k-$204k/yr HybridFull Time
5+ YOE2+ Mgmt5+ years software engineering, 2+ years technical lead experience; strong Python and API framework skills; experience with microservices, GCP, Kubernetes/GKE, Docker, CI/CD, Kafka, BigQuery/BigTable/SQL; hands-on GenAI/LLM/RAG/Agentic AI and prompt engineering.
Python, FastAPI, Flask, Google Cloud Platform (GCP), Kubernetes (GKE), Docker, CI/CD, GitHub, Kafka, BigQuery, BigTable, SQL, Gemini, Vertex AI, OpenAI, Claude
1mo
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Senior Imaging Software Engineer
Marlborough, Massachusetts, United States
OnsiteFull Time
5+ YOE5+ years R&D in medical imaging and control systems; expertise in computer vision, image processing, and ML; experience with embedded and real-time systems; GPU programming (CUDA/OpenCL) preferred; proficiency in C++, Python, Qt, OpenCV, TensorFlow/PyTorch; familiarity with medical device design controls.
C++, Python, Qt, CUDA, OpenCL, OpenCV, TensorFlow, PyTorch
1mo
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Senior Developer - Business Process Solutions - Solect Energy
Hopkinton, Massachusetts, United States
$90k-$110k/yr OnsiteFull Time
Design, develop, and implement Salesforce and Microsoft 365 solutions; elicit and document requirements; apply AI and automation; integrate systems; test and support deployments.
Salesforce, Apex, LWC, Flow, SOQL, Microsoft 365, Microsoft Power Automate, Microsoft Power Apps, Microsoft Power Platform, Microsoft SharePoint, Microsoft Teams, Python, JavaScript, Java, JIRA, REST, SOAP, Microsoft Copilot, OpenAI
1mo
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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
1w
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Senior AI Machine Learning Engineer
Chicago or Hartford or Charlotte or Columbus
$117k-$176k/yr HybridFull Time
6+ YOE6+ years ML/software engineering experience; hands-on Python and SQL; experience deploying ML in AWS/GCP; strong SDLC, testing, monitoring, and mentorship skills.
Python, SQL, Git, AWS, GCP, Airflow, Cloud Composer, Step Functions, Vertex AI Pipelines
1mo
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Palantir Forward Deployed Senior Engineer
Chicago or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$305k/yr HybridFull Time
5+ YOE5+ years data engineering; 3+ years Palantir Foundry/Gotham/AIP experience; 5+ years cloud (AWS/Azure/GCP); 5+ years Python/PySpark/Java; Bachelor’s in CS/Engineering or equivalent; strong client-facing and communication skills.
Palantir Foundry, Palantir Gotham, Palantir AIP, Python, PySpark, Java, TypeScript, AWS, Azure, GCP, Git, GitHub, GitLab, Jenkins
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