282 python developer jobs at 113 companies in Walden, NY

2mo
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Senior Python Engineer - Applications Development Sr Programmer Analyst - C12 - RUTHERFORD
Rutherford, New Jersey, United States
$121k-$182k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
8+ YOE8+ years large-scale application development; 5+ years Python and PySpark for enterprise ELT/ETL; experience with Databricks, Kafka, microservices, containerization, CI/CD, SQL, data modeling, and agentic AI integrations.
Python, FastAPI, PySpark, Kafka, Databricks, Google ADK, Google Flash 2.5, Devin.AI, GitHub Copilot, MCP, YAML, JSON, Spring Boot, Starburst, OpenShift, Kubernetes, CI/CD, Cloudera, AWS, Azure, GCP, SQL, Angular, React JS, Docker
1mo
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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 –Senior Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond 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 Spartanburg or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$124k-$280k/yr HybridFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
8+ YOESenior Manager level with 8+ years of experience; proficient in Python, SQL, FastAPI; cloud certifications a plus; willing to travel up to 80%; Bachelor's degree required.
Python, SQL, FastAPI, Cloud Platforms, LLM techniques, Data Warehousing, Data Lakes, IAM
4d
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Full Stack Software Engineer (Python)
Irving or Stamford
$74k-$116k/yr HybridFull Time
Gartner
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.
Python, Django, Flask, HTML, CSS, JavaScript, jQuery, AWS, ReactJs, SQLServer, MySQL, PostgreSQL, HTTP, SOAP, REST, XML, JSON
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
1mo
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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
1w
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Sr. Developer - Automation Core
Tarrytown, New York, United States
$94k-$153k/yr HybridFull Time
Regeneron
RegeneronNasdaq: REGN: Discovers and manufactures medicines for serious diseases.
3+ YOE3+ years software development for life‑sciences R&D or lab informatics; proficiency in Java and Python; experience with LIMS/ELN (Sapio/Benchling/Dotmatics); AI/GenAI and data integration experience.
Sapio, Benchling, Dotmatics, Java, Python, LangChain, LlamaIndex, Claude/Anthropic APIs, OpenAI APIs, TetraScience, HighRes Cellario, Docker, Kubernetes, Jenkins, GitHub Actions, Spotfire, Tableau, Microsoft Power BI, Jupyter notebooks
3mo
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Sr. Engineer Development
Montvale, New Jersey, United States
HybridFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
3+ YOE3+ years software development experience; strong Python, C# or .NET, Angular and SQL skills; experience with microservices, REST APIs, authentication, and Azure; ML framework experience preferred.
Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure SQL Database, Azure OpenAI, Angular, TypeScript, Python, .NET Framework, C#, SQL, PyTorch, TensorFlow, scikit-learn, DevOps
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
1mo
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Senior Developer - Research and Development
Tarrytown, New York, United States
$94k-$153k/yr HybridFull Time
Regeneron Pharmaceuticals
Regeneron PharmaceuticalsNASDAQ: REGN: Discovers and develops medicines for serious diseases.
3+ YOEBachelor's in CS/Bioinformatics/Life Sciences,3+ years software development for life-sciences R&D,proficiency in Java and Python,experience with LIMS/ELN (Sapio/Benchling/Dotmatics),AI/GenAI and data integrations.
Sapio, Benchling, Dotmatics, Java, Python, SQL, pandas, NumPy, Claude Code, GitHub Copilot, LangChain, LlamaIndex, Anthropic API, OpenAI API, Docker, Kubernetes, Jenkins, GitHub Actions, TetraScience, Spotfire, Tableau, Power BI, Jupyter
3w
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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
6d
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Lead Developer
Teaneck, New Jersey, United States
HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
10+ YOE10+ years professional software development experience with extensive focus on Python3 for backend/service applications; experience designing scalable architectures, testing, performance tuning, hybrid teams, and mentoring developers.
Python3
1mo
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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
1mo
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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
3d
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Software Engineer II
Totowa, New Jersey, United States
$87k-$147k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
2+ YOEBachelor's in Computer Science or Computer Engineering and 2+ years of software development experience; Secret clearance, C++, C#, Python, RedHat or RTLinux, and electronic systems integration testing required.
C++, C#, Python, RedHat, RTLinux, TestStand, LabView
2mo
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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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Software developer
Yorktown Heights, New York, United States
$175k-$225k/yr HybridFull Time
IBM
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.
Rust, Python, Qiskit, tket, Cirq
1w
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Generative AI Lead Engineer
Dallas or Stamford or Chicago
$120k-$140k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
Strong experience with generative AI, LLMs and prompt engineering; hands-on development using .NET, React, Python; designing RAG pipelines, model training/fine-tuning, and Azure deployments.
.NET, React, Python, Claude, LangChain, LlamaIndex, Azure
2mo
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Senior Software Engineer - Compliance Technology
New York or Greenwich
$150k-$235k/yr OnsiteFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse alternative asset classes.
10+ YOE10+ years software development; deep expertise in C#; production SQL queries; React/CSS; Python; AWS; Agile/SCRUM; DevOps (CI/CD, IaC); AI-assisted development tools; finance industry exposure a plus.
C#, SQL, React, CSS, Python, AWS, CI/CD, Infrastructure as Code, AI-assisted development tools
3mo
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Senior Software Engineer - Compliance Technology
Greenwich or New York
$150k-$235k/yr HybridFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse financial assets.
10+ YOE10+ years software development; expert in C#; SQL; React; CSS; Python; AWS; Agile/SCRUM; DevOps; AI-assisted tools; finance experience a plus.
C#, SQL, React, CSS, Python, AWS, CI/CD, infrastructure-as-code, AI tools