537 python developer jobs at 195 companies in Danbury, CT

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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C++/ Python Developer – Algo & Analytics
Great Neck, New York, United States
$100k-$110k/yr OnsiteFull Time
FlexTrade Systems
FlexTrade Systems: Provider of multi-asset execution and order management trading software.
3+ YOE3+ years software development experience, degree in CS or equivalent, strong C++ and Python skills, UNIX experience, problem-solving, client-facing communication; trading algos and time-series/big-data exposure useful.
C++, Python, UNIX, FlexStrategy Server
2w
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Senior Software Developer - Python
Chicago or Greenwich
$200k-$250k/yr HybridFull Time
Interactive Brokers
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.
Python, C++, Java, Polars, Pandas, NumPy, Linux, SQL
2mo
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GenAI Python Systems Engineer-Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Rochester or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Albany or Stamford or Tampa or Atlanta or Toledo or Houston or Irvine or Jacksonville or Kansas City or Los Angeles or Louisville or Fayetteville or Melville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or Los Angeles or New York or Portland or Philadelphia or San Antonio or Denver or Des Moines or Indianapolis or Irvine or Fresno or Hartford or Tampa or Miami or San Francisco or Washington or New York or Portland or Philadelphia or Phoenix or Pittsburgh or Seattle or Denver or Portland or New York
$99k-$232k/yr OnsiteFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
5+ YOE5 years of experience in data, analytics, and AI; proficient in Python and SQL; Docker experience; cloud (AWS/Azure/GCP); AI/LLM techniques; prompt engineering; DevOps with cloud services; travel up to 80%
Python, SQL, Docker, AWS, Azure, GCP, Terraform, CloudFormation
1mo
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Lead Software Engineer (Python, LLM) - AskGartner
Irving or Stamford
$116k-$170k/yr HybridFull Time
Gartner
GartnerNYSE: IT: Provides research and advisory services for business leaders.
Expert-level Python; backend services; FastAPI; AWS/Azure; SageMaker Pipelines; Pytest; PostgreSQL; Pandas; Git.
Python, Python FastAPI, AWS, Azure, AWS SageMaker Pipelines, pytest, Git, PostgreSQL, Parquet, JSON, CSV, Pandas, LangGraph, LangChain, OpenAI, Anthropic, Google, Locust, JMeter, AWS Athena, AWS S3, IAM, Splunk, AWS Secrets Manager, PySpark, Docker, Kubernetes, Terraform, OpenSearch, RAG systems, Cache technologies
1w
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Software Engineer II (AI, Python, Typescript)
Hartford or St. Paul
$120k-$199k/yr HybridFull Time
Travelers
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.
AWS, Serverless, EKS, Azure, REST, GraphQL, Terraform, AWS CDK, React.js, Node.js, JavaScript, TypeScript, Python, Kafka, DB2, MySQL, PostgreSQL, MongoDB, DynamoDB, Open AI, Anthropic, MCP, Claude, GitHub Co-Pilot, NUnit, XUnit, Moq, Jest, Cypress, Git, GitHub, CloudBees Jenkins, Jenkins, Azure DevOps, OAuth 2.0, OpenID Connect, Dynatrace, ELK, OpenTelemetry, Jira, Rally
2mo
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Signal Processing Developer – American Football (C++/Python)
East Rutherford, New Jersey, United States
RemoteFull Time
Trackman
Trackman: Developer of advanced radar-based sports performance tracking systems.
3+ YOEMSc or PhD in electrical engineering, computer science, or applied math; strong signal processing; proficient in C++ and Python; Linux and Git; several years of experience; US-based with travel.
C++, Python, Linux, Git
2mo
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AI Engineer
New York or Miami or Great Neck or Lakewood
$130k-$200k/yr HybridFull Time
Metropolitan Commercial Bank
Metropolitan Commercial BankNYSE: MCB: Provides commercial, business, and personal banking and financial services.
6+ YOE6+ years in AI/ML; strong LLM/GenAI, MLOps, cloud infra; full-stack development; Python; Snowflake/Snowpark.
Python, PyTorch, TensorFlow, Keras, NLP, LangChain, LlamaIndex, Snowpark Python, UDFs/UDTFs, SQL, NoSQL, Docker, Kubernetes, Terraform, CloudFormation, Prometheus, Grafana, MLflow, React, Flask, FastAPI, Node.js, Snowflake, Spark, PySpark, ETL
2w
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IT Software Developer
Spring Valley, New York, United States
$110k-$150k/yr OnsiteFull Time
Hamaspik Choice
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
1mo
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IT Solutions Developer
Riverdale, New Jersey, United States
HybridFull Time
Camfil
Camfil: Manufacturer of premium air filtration and clean air solutions.
2+ YOEBachelor's degree, 2+ years software development experience, strong Python, React, TypeScript skills, LLM/AI and Azure experience, prompt engineering, CI/CD and IaC exposure, strong communication.
Python, React, TypeScript, LangChain, LangGraph, Autogen, Azure, Azure AI Search, Microsoft Fabric, Dataverse, LLM, Microsoft Copilot Studio, vector databases, GitHub Actions, Azure DevOps, Terraform, Ansible
1w
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Engineer
Stamford, Connecticut, United States
$70k-$75k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
6+ YOEBachelor's in Computer Science, 6+ years experience, proficiency in Java/Python/JS/TS, web/backend development, databases, cloud platforms, Kubernetes, and strong communication and problem-solving skills.
Java, Python, JavaScript, TypeScript, Django, Flask, Spring Boot, SQL, NoSQL, MongoDB, Snowflake, AWS, Azure, Kubernetes
2d
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Senior Software Developer
White Plains, New York, United States
$160k-$180k/yr HybridFull Time
Skadden
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.
.NET, React, Python, C#, ReactJS, TypeScript
4d
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ML Engineer
Teaneck, New Jersey, United States
OnsiteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
Deep hands-on SageMaker experience, expert Python and SQL, production ML deployment, model monitoring and drift detection, MLOps/CI-CD, feature pipeline and feature store development.
AWS SageMaker, SageMaker Pipelines, Step Functions, AWS Bedrock, Python, scikit-learn, XGBoost, LightGBM, PyTorch, TensorFlow, SQL, Snowflake, Snowflake Cortex, Snowpark ML, Salesforce, MLflow, Weights & Biases, Docker, Kubernetes
4w
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Software Engineer
Stamford or New York
$105k-$145k/yr HybridFull Time
NBCUniversal
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
2w
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Software Engineer
New York City or Englewood Cliffs
$120k-$150k/yr HybridFull Time
Versant
VersantNasdaq: VSNT: Operates cable television networks and digital media entertainment platforms.
3+ YOE3+ years software development; backend (Java, Node.js, Python, Go), frontend (JavaScript/TypeScript, React/Vue/Angular), microservices and REST APIs, cloud (AWS/Azure), Git and CI/CD experience.
Java, Node.js, Python, Go, JavaScript, TypeScript, HTML, CSS, React, Vue, Angular, AWS, Azure, Git, GitHub Actions, Jenkins, Terraform, CloudFormation, Datadog, Prometheus, ELK
2mo
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Junior Software Engineer - Automation & Integration
Ridgefield, Connecticut, United States
OnsiteFull Time
Fletcher Development
Fletcher Development: Builds luxury custom homes and provides residential estate management services.
Backend development in .NET (C#) and Python; REST APIs; databases; payments security; AI tooling.
.NET (C#), Python, REST APIs, PostgreSQL, SQL Server, Stripe, QuickBooks API, OneSignal, Twilio, SendGrid, Copilot
2mo
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Full Stack Engineer
Fort Lee, New Jersey, United States
$160k-$200k/yr OnsiteFull Time
Cross River
Cross River: Provides technology infrastructure and embedded financial solutions to fintechs.
4+ YOE4+ years of software development; strong React front-end; Python or Node.js backend; AWS; TDD/CI/CD; Agile; AI/LLM experience.
React, JavaScript, Python, Node.js, Express.js, AWS, Terraform, CDK, SQL, NoSQL, DynamoDB, S3, RDS, Lambda, API Gateway, CI/CD, TDD, OpenID Connect, OAuth2
3d
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AI Prompt Engineer
Hicksville, New York, United States
$120k-$180k/yr HybridFull Time
Nassau Candy
Nassau Candy: Manufactures and distributes specialty confections and gourmet food products.
5+ YOEBachelor's in a technical field or equivalent,5+ years in software/automation/integration,LLM production experience,Python and API development skills,enterprise integration and strong communication.
Python, NetSuite, Microsoft Copilot, OpenAI, Anthropic Claude, Google Gemini, Power Automate, Make, Zapier, n8n, SQL
1mo
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Staff Software Engineer
New York, New York, United States
$184k-$210k/yr HybridFull Time
Warby Parker
Warby ParkerNYSE: WRBY: Warby Parker is a retailer of prescription eyewear and contacts.
7+ YOE7+ years software development; experience building scale search, recommendation, and personalization systems; proficient in Golang, Python, or C#; strong system design and cloud (AWS).
Golang, Python, C#, AWS, OpenSearch, Elasticsearch, SageMaker, Personalize, Bedrock, Vector databases, Real-time streaming
1mo
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Senior Developer - Research and Development
Tarrytown, New York, United States
$94k-$153k/yr HybridFull Time
Regeneron
RegeneronNasdaq: REGN: Discovers and manufactures medicines for serious diseases.
3+ YOEBachelor's in CS/Bioinformatics/Life Sciences, 3+ years software development supporting life‑sciences R&D or lab informatics, Java and Python proficiency, LIMS/ELN experience (Sapio/Benchling/Dotmatics), AI/GenAI experience.
Sapio, Benchling, Dotmatics, Java, Python, SQL, pandas, NumPy, LangChain, LlamaIndex, Claude Code, Claude, Anthropic APIs, OpenAI APIs, Docker, Kubernetes, Jenkins, GitHub Actions, GitHub Copilot, TetraScience, Spotfire, Tableau, Power BI, Jupyter
2mo
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Lead Software Engineer
New York, New York, United States
$175k-$250k/yr OnsiteFull Time
Icertis
Icertis: Provide AI-powered contract lifecycle management software for enterprises.
5+ YOE5+ years in full-stack development; startup experience a plus; strong JS/TS, React, Python, SQL, CI/CD, Git; experience with Gen AI models.
JavaScript, TypeScript, React, Python, SQL, CI/CD, Git, OpenAI/Anthropic Gen AI models