216 python software developer jobs at 85 companies in Derby, CT
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Senior Software Developer - Python
Chicago or Greenwich
$200k-$250k/yrHybridFull Time
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
5+ YOE5+ years software engineering experience (Python/C++/Java), 3+ years Python as primary language, experience with Polars/Pandas/NumPy, Linux (1-3 yrs), SQL and large codebases; Bachelor's degree in CS or related.
GartnerNYSE: IT: Provides research and advisory services for business leaders.
2+ YOEBachelor's in Computer Science or related,2+ years full-stack software development, strong Python knowledge, experience with Django/Flask, HTML/CSS/JavaScript/jQuery, relational SQL databases, and AWS or ReactJs.
CGINYSE: GIB: Provides information technology and business consulting services.
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.
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
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)
TravelersNew York Stock Exchange: TRV: Provider of commercial and personal property casualty insurance.
4+ YOEBachelor's in CS or STEM and ~4 years software engineering experience; experience with cloud, APIs, IaC, Python/TypeScript/JavaScript, CI/CD, databases, AI enablement, testing, and Agile methodologies.
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
4+ YOEBachelor's in CS/STEM, ~4 years software engineering experience, proficiency with Python/TypeScript/JavaScript, cloud (AWS/Azure), APIs, databases, CI/CD, AI enablement experience, strong communication and problem-solving.
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
3+ YOEBachelor's in CS/IT required; 3+ years software development with Go and/or Python; experience with cloud deployment (AWS, GCP), Kubernetes/Docker, CI/CD, test automation, SRE practices, and strong communication skills.
Go, Python, AWS, GCP, Kubernetes, Docker, CI/CD, test automation, Site Reliability Engineering (SRE), scrum, kanban, CDN, AI tooling
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
8+ YOE8+ years software development experience; expertise in Java/Python/C#/Go, full-stack frameworks, cloud platforms, databases, CI/CD, and AI-assisted development; BS in CS/Engineering or related required.
Java, Python, C#, Go, Angular, React, Node.js, RESTful APIs, AWS, GCP, Azure, SQL Server, Snowflake, PostgreSQL, Oracle, MongoDB, CI/CD, GitHub Copilot, Microsoft Copilot, Copilot Studio, Azure AI Foundry, Google Vertex AI, GCP Agent Development Kit (ADK)
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Strong proficiency in Rust and working knowledge of Python; Bachelor's degree required, Master's preferred; experience writing production-quality, performance-aware code, software engineering fundamentals, open-source contributions, and compiler or SDK exposure preferred.
Acrisure: Provides AI-powered insurance, financial, and business risk solutions.
1+ YOE1+ year software engineering experience; strong skills in Python or JavaScript/TypeScript; familiarity with APIs, integrations, automated testing, debugging; comfortable with AI-assisted development (Claude Code preferred); onsite collaboration required.
OptimumNYSE: OPTU: Provides broadband, television, and mobile connectivity services to customers.
7+ YOEBachelor's in computer science, 7+ years software development, proficiency in Python, JavaScript, GIT, NodeJS; experience with AI/ML, Google Cloud, and conversational AI preferred.
Python, JavaScript, GIT, NodeJS, Code Blocks, Google CES, Google Cloud, Dialogflow
Hamaspik Choice: Managed long-term care plan providing healthcare services to Medicaid-eligible individuals.
5+ YOE5+ years C#/.NET development experience, 3+ years ASP.NET and ETL/SSIS experience, SQL Server, Visual Studio, Python, experience with medical terminology and healthcare technology preferred.
C#, .NET, ASP.NET, ASP.NET Core, ASP.NET MVC, SQL Server, SSIS, Visual Studio, ALTREX, DTS, Python
ClearVision Optical: Designs and distributes global eyewear and sunwear brands.
3+ YOEBachelor's degree in computer science, computer engineering, or similar field; 3+ years of mixed-environment development; experience with Flutter, Dart, Rust, Python, PostgreSQL, AWS, DevOps, CI/CD, testing, and infrastructure-as-code.
Flutter, Dart, Rust, Python, PostgreSQL, AWS, CI/CD, Microsoft Excel
Skadden: Global law firm providing legal advisory and litigation services.
5+ YOEBachelor's in Computer Science or related, 5+ years enterprise application development, experience with .NET, React, Python, C#, TypeScript, CI/CD and AI-enabled services; strong architecture and communication skills.
Talcott Financial Group: International life insurance group providing risk and retirement solutions.
10+ YOE5+ Mgmt10+ years software engineering, 5+ years architecture; deep Microsoft Azure and AI/ML experience; proficiency with C#, Python, SQL, Terraform/Bicep/ARM, CI/CD, and enterprise data platforms.
Azure, Microsoft Fabric, C#, Python, SQL, Terraform, Bicep, ARM templates, CI/CD
2+ YOEBachelor's in CS/ECE/math/physics/chemistry required; 2+ years Python software development; experience with debugging/profiling, version control, software testing, and quantum APIs (Qiskit, Q#, CUDA-Q, Cirq).
Seattle or Arlington or Bellevue or New York or Astoria or Brooklyn or Carle Place or Cupertino
$144k-$224k/yrOnsiteFull Time
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOE3+ years professional software development; 2+ years design/architecture; 3+ years building complex software systems; 2+ years multi-tier or distributed apps in C#/C++/Java/Perl; Bachelor's degree or equivalent.
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
5+ YOEBachelor's degree or equivalent experience; 5+ years software development, 3+ years modern programming, Agile/Scrum, AI features, DevOps, containers, CI/CD, cloud platforms, and microservices experience.
Python, Java, C#, TypeScript, Docker, Kubernetes, Jenkins, GitHub Actions, GitLab, AWS, Azure, GCP, Large Language Models (LLMs), natural language processing (NLP), HIPAA
Ellington Management Group: Manages alternative investment funds specializing in mortgage-backed securities.
0+ YOEStrong programming skills, SQL, and knowledge of one or more of C#, JavaScript, or TypeScript; Python helpful; experience with APIs, CI/CD, and AI tooling; strong problem-solving and ownership.