106 senior python developer jobs at 52 companies in Wallkill, NY
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Senior Software Developer - Python
Chicago or Greenwich
$200k-$250k/yr HybridFull Time
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
3mo
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Senior Software Engineer - Compliance Technology
New York or Greenwich
$150k-$235k/yr OnsiteFull Time
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
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
2mo
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Senior AI Engineer
Plano or Purchase or Chicago
$111k-$185k/yr HybridFull Time
8+ YOESenior AI Engineer with 8+ years in software lifecycle, ML/AI, and production-grade agent systems; strong Python/Java, distributed systems, and ML Ops experience.
Python, Java, FastAPI, asyncio, Pydantic, LangChain, LangGraph, CrewAI, MLflow, Arise, Docker, Kubernetes, Ray, Kafka, gRPC, Redis, Prometheus, OpenTelemetry, Grafana, Temporal, MEM0, Temporal Agentic Memory, Graph and Vector DBs
3w
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Senior Software Developer
White Plains, New York, United States
$160k-$180k/yr HybridFull Time
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
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Senior Firmware Engineer - Streaming Audio
Plano or Rockleigh
$108k-$174k/yr OnsiteFull Time
6+ YOESenior firmware engineer with 6-8 years exp in C/C++, Node.js, Python; embedded/Linux; DSP; networking; system integration; SDLC ownership.
C, C++, Node.js, Python, Linux
3mo
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Senior AI Engineer
Yonkers, New York, United States
$184k-$230k/yr OnsiteFull Time
10+ YOELead design and maintenance of ML/AI platforms; 10+ years in ML/AI; Snowflake, Python; healthcare data experience.
Snowflake, Python, LLMs, NLP, ML libraries, H2O
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Senior Data Engineer
Poughkeepsie, New York, United States
$100k-$126k/yr OnsiteFull Time
5+ YOEFive+ years data engineering experience; Databricks and Azure data stack expertise; Python; strong data warehousing/lakehouse skills.
Databricks, Spark, Delta Lake, Azure Data Lake Storage Gen2, Databricks Workflows, CI/CD, MLOps, Python
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Senior Software Engineer
United States or White Plains
$170k-$200k/yr OnsiteFull Time
5+ YOE5+ years engineering experience, strong backend ownership, product judgment, experience with Python, PostgreSQL, AWS, CI/CD, and building reliable scalable systems.
Python, PostgreSQL, AWS
5d
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Senior AI Engineer
Greenwich, Connecticut, United States
OnsiteFull Time
Bachelor's degree or equivalent experience; enterprise technology integration, LLMs, generative AI, Python, GCP, APIs, SDLC, Agile, and secure production AI application experience required.
Large Language Models (LLMs), ADK, LangChain, Google Cloud Platform (GCP), Python, Vertex AI, Cloud Run, BigQuery, Retrieval-Augmented Generation (RAG), HRIS, CRM, ERP, APIs, SDLC, Agile
3mo
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Senior Data Engineer
Poughkeepsie, New York, United States
$100k-$126k/yr OnsiteFull Time
5+ YOEBachelor’s degree in CS or related; Master’s preferred. 5+ years of Data Engineer experience; Databricks Certifications preferred; Azure Data Engineer certification preferred; strong Python, Databricks, and data warehousing experience.
Databricks, Spark, PySpark, Scala, Delta Lake, Azure Data Lake Storage Gen2, CI/CD, ITSM, SDLC, MLOps
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Senior AI Engineer
United States or New York City or Palm Beach or Los Angeles or Miami or Greenwich or Westchester County or The Hamptons or San Francisco or Manhattan
$190k-$250k/yr RemoteFull Time
4+ YOE4+ years building and operating LLM-powered production ML systems, strong Python, backend framework experience (FastAPI/Flask), LLM orchestration and retrieval design, Snowflake/dbt/Dagster/Airflow familiarity, evaluation systems, HIPAA/PHI knowledge, and strong written communication.
Python, FastAPI, Flask, Snowflake, dbt, Dagster, Airflow, vLLM, Triton, TGI, SGLang, LOINC, SNOMED CT, ICD-10, RxNorm, FHIR, HL7
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
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Senior Developer - Research and Development
Tarrytown, New York, United States
$94k-$153k/yr HybridFull Time
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
2mo
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Senior AI Engineer
Plano or Purchase or Chicago
$111k-$185k/yr HybridFull Time
8+ YOELead design and delivery of production-grade agent capabilities across cloud and edge environments; architect scalable agent systems; drive evaluation and integration patterns.
Python, Java, FastAPI, Kubernetes, Docker, MLflow, Prometheus, OpenTelemetry, Grafana, Kafka, gRPC, Redis, LangChain, LangGraph, CrewAI, Tempor al, Mem0
1mo
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Senior Developer - Research and Development
Tarrytown, New York, United States
$94k-$153k/yr HybridFull Time
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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Senior Operating Platform Engineer
New York City or Greenwich or Garden City or London or Dublin
$190k-$250k/yr OnsiteFull Time
7+ YOE7+ years professional software engineering with 4+ years full-stack experience; expertise with Angular, C#/.NET, Python, Microsoft SQL Server, Snowflake, AWS, Kubernetes, CI/CD; AI/LLM workflows and financial services experience; strong communication.
Angular, C#, .NET, Python, Microsoft SQL Server, Snowflake, AWS, Kubernetes, CI/CD, LLM
1mo
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Senior Software Developer for Quantum-Centric Supercomputing
Yorktown Heights, New York, United States
$161k-$276k/yr OnsiteFull Time
Master's degree required; strong proficiency in Python and a systems language (C, C++, or Rust); experience with modern software engineering practices, HPC/resource managers, EM/quantum ecosystems, and strong communication skills.
Python, Rust, C, OpenMP, MPI, GPU, Slurm, PBS, Grid Engine, LSF, Qiskit, OpenQASM, CUDA-Q, Linux, HPC, CI/CD
6d
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Senior Software Engineer
Woodcliff Lake, New Jersey, United States
$90k-$141k/yr HybridFull Time
5+ YOE5+ years IT experience with 3+ years mid-level engineering, cloud and microservices expertise, proficiency in multiple languages and AWS, CI/CD, TDD, and strong communication and mentoring skills.
Java, Salesforce, SAP, JavaScript, Angular JS, T-SQL, Python, HTML, Oracle, AWS, terraform, CDK, CI/CD, GitHub Copilot, Splunk, Docker, Kubernetes, RESTful API
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IT Software Developer
Spring Valley, New York, United States
$110k-$150k/yr OnsiteFull Time
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
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