161 senior python developer jobs at 44 companies in Hatfield, MA
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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
2d
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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 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
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
2w
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Senior Full Stack .NET Developer
Hartford, Connecticut, United States
$68k-$132k/yr HybridFull Time
5+ YOE5+ years professional experience, 5+ years with .NET and Angular, AWS and Python experience, BS in CS/IT/Engineering or related, strong SDLC and communication skills.
.NET, Angular, AWS, Python, Docker, Kubernetes, CI/CD
2w
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Senior Full Stack .NET Developer
Hartford, Connecticut, United States
$68k-$132k/yr HybridFull Time
5+ YOE5+ years professional experience with .NET and Angular, AWS and Python experience, bachelor's degree in CS/IT/Engineering, strong SDLC, problem-solving and communication skills.
.NET, Angular, AWS, Python, Docker, Kubernetes, CI/CD
1w
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Senior Software Test Engineer
Holyoke, Massachusetts, United States
$120k-$160k/yr HybridFull Time
5+ YOEBachelor's in CS/Engineering or equivalent,5+ years software testing with automated web/API testing,Java plus Python/JavaScript,Playwright/Selenium/Cypress,CI/CD (Jenkins),Git,Jira,SQL,and mentoring experience.
Playwright, Selenium, Cypress, Cucumber, Java, Python, JavaScript, SQL, Jenkins, Docker, Kubernetes, ECS, Terraform, AWS, Git, Jira, JUnit, TestNG, Postman
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 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
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
2mo
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Senior GCP Data Engineer
Hartford, Connecticut, United States
HybridFull Time
9+ YOE8+ years in Data Engineering with leadership; strong GCP, SQL, Python; ETL and Spark; data modeling; cross-functional collaboration; leadership.
BigQuery, Cloud Composer (Airflow), Cloud Storage, Dataproc, Apache Spark, SQL, Python, Scala
2w
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ServiceNow Developer Contractor - Hybrid (Farmington, CT)
Farmington, Connecticut, United States
$55-$60/hr HybridContract
5+ YOE5+ years in IT service or configuration management, hands-on ServiceNow CMDB experience, TRM knowledge, dashboard/scorecard development, Python or PowerShell scripting, strong communication and data governance skills; must be US-based and authorized to work without sponsorship.
ServiceNow, Python, PowerShell
3w
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Senior Sales Engineer - Enterprise
Boston or Charlotte or Hartford or New Haven or New York or Raleigh or United States
$194k-$291k/yr HybridFull Time
5+ YOE5+ years in software pre-sales, hands-on SQL and technical skills (Python, APIs, R), track record closing enterprise deals, strong communication and business acumen.
Python, SQL, APIs, R, Google Analytics 4, Adobe Analytics, Mixpanel, Tableau, Looker, Power BI
4d
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AWS and AI Engineer
Arizona or Connecticut or North Carolina or Texas or Hartford or Plano or Raleigh or Richardson or Tempe
OnsiteFull Time
Requires Java enterprise development, AWS services, AI/ML solution architecture, Python, and a bachelor's degree or equivalent progressive experience; US work authorization required.
Java, AWS, AWS Bedrock, AWS S3, AWS EC2, Python, TensorFlow, PyTorch, scikit-learn, OpenAI, Anthropic, Cohere
1mo
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Senior Java Software Engineer -Aerospace Systems
East Hartford or United States
RemoteFull Time
3+ YOE3+ years experience with Java and Python, embedded/real-time systems, knowledge of DO-330 and DO-178C, Git and Linux experience, strong communication, and U.S. citizenship required.
Java, Python, Git, Linux, DO-178C, DO-330
2w
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Lead Software Engineer
Pittsfield, Massachusetts, United States
$110k-$122k/yr OnsiteFull Time
5+ YOEBachelor's in software engineering or related field,5+ years experience (or Master's+3),DoD Secret clearance obtainable,US citizenship,experience with C/C++,Python,Linux,Git/GitLab,containers,and team leadership.
C/C++, Python, Linux, GitLab, Git, containers, Agile, AI
1mo
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Senior Lead Engineer
Windsor, Connecticut, United States
$141k/yr OnsiteFull Time
2+ YOEMaster's in Computer Engineering (or equivalent) plus 2 years' relevant experience; demonstrable knowledge of Snowflake, dbt, Tableau, Python, Pandas, NumPy, Airflow, PL/SQL, Postgres SQL, and GitHub; strong data modeling and pipeline skills.
Snowflake, dbt, Tableau, Python, Pandas, NumPy, Airflow, Shell scripting, PL/SQL, Postgres SQL, GitHub
1mo
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AI Principal Engineer
Boston or Hartford or Missouri
$192k-$240k/yr OnsiteFull Time
Bachelor's in CS/Engineering/Math required (advanced degree preferred). Significant experience delivering production AI/ML systems, proficiency with Python/TypeScript/Rust, LLM and MLOps knowledge, model lifecycle and MLOps practices, and leadership of technical initiatives.
Python, TypeScript, Rust, LLM, MLOps
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