85 python software developer jobs at 49 companies in Mastic, 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
4d
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Full Stack Software Engineer (Python)
Irving or Stamford
$74k-$116k/yr HybridFull Time
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
1mo
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Software Engineer
Stamford or New York
$105k-$145k/yr HybridFull Time
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
3w
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Software Engineer I
Grand Rapids or Uniondale or Austin or Atlanta
$100k-$150k/yr HybridFull Time
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.
Python, JavaScript, TypeScript, Claude Code
1w
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Software Development Engineer III
Bethpage or Plano
$134k-$220k/yr HybridFull Time
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
3d
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Software Engineer
Hauppauge, New York, United States
RemoteFull Time
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
2mo
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Quantum Software Engineer II
New Haven, Connecticut, United States
$103k-$154k/yr HybridFull Time
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).
Python, Qiskit, Q#, CUDA-Q, Cirq
3mo
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Software Development Engineer
Seattle or Arlington or Bellevue or New York or Astoria or Brooklyn or Carle Place or Cupertino
$144k-$224k/yr OnsiteFull Time
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.
C#, C++, Java, Perl, Python
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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Software Engineer
New York City or Old Greenwich
OnsiteFull Time
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.
SQL, C#, JavaScript, TypeScript, Python, React, Angular, CI/CD
2mo
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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
1mo
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C++/ Python Developer – Algo & Analytics
Great Neck, New York, United States
$100k-$110k/yr OnsiteFull Time
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
6d
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Senior Software Developer
Roslyn, New York, United States
$145k-$155k/yr OnsiteFull Time
5+ YOE5+ years experience with Oracle or SQL Server, 2+ years BI/reporting, experience with ETL, Linux scripting, SFTP integrations, JavaScript and programming languages (C#, .Net, Java, Python); bachelor's degree required.
Oracle, SQL Server, Origami Risk, Linux, JavaScript, SAP BusinessObjects, Power BI, Tableau, SFTP, GIT, C#, .Net, Java, Python
3mo
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Lead Software Engineer
New York, New York, United States
$175k-$250k/yr OnsiteFull Time
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
1w
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Backend Software Engineer - Assistant Vice President
Greenwich or New York City
$130k-$170k/yr HybridFull Time
6+ YOEDegree in software engineering,6+ years web application development,experience with Python/Scala/Node.js,knowledge of relational/NoSQL modeling,testing and SSO familiarity.
Scala, Ruby, Node.js, Python, FastAPI, ZIO, Scala Test, ZIO Test, PyTest
1mo
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Senior Software Engineer, Manufacturing Systems
Glen Cove, New York, United States
$180k-$210k/yr HybridFull Time
5+ YOE5+ years engineering experience; full-stack development with React/Typescript and Node.js/Python; PostgreSQL, GCP/AWS, Kubernetes, Docker; experience designing MRP/MES or production systems preferred.
React, Typescript, Node.js, Python, PostgreSQL, GCP, AWS, GraphQL, REST, Kubernetes, Docker
2d
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Software Engineer II-Hybrid Role
Greenwich, Connecticut, United States
HybridFull Time
2+ YOERequires 2–4 years of software development experience, a bachelor's degree or equivalent, proficiency in a core language/framework, RESTful APIs, relational databases, Git/GitHub, and strong analytical skills.
PHP, Laravel, Nova, Apiato, Java, C#, Python, Go, C++, JavaScript, React, Angular, jQuery, HTML5, CSS3, LESS, SASS, Material Design, Kotlin, Swift, Objective-C, React Native, Flutter, Retrofit, OkHttp, Firebase, MySQL, Oracle, Firebird, Amazon Web Services (AWS), Git, GitHub, Docker, Kubernetes, TensorFlow, PyTorch, scikit-learn, JIRA, Confluence, Crashlytics, New Relic, Azure, GCP, TDES, DUKPT, PAX, AMP, Magtek
3mo
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Verification Engineer, Software (Danbury, CT, US, 06810)
Danbury, Connecticut, United States
$105k-$120k/yr OnsiteFull Time
10+ YOE10+ years in software verification, automated test development, or embedded systems testing; Python and Robot Framework; RESTful testing; Redfish; CI/CD; HVAC/industrial controls experience.
Python, Robot Framework, Redfish, REST APIs, BACnet, Modbus, JIRA, Confluence, codebeamer, MS Office 365
6d
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Sr. Lead Software Engineer (Hybrid- Newark, NJ, Edgewood, LI, Coppell TX or NYC)
Edgewood or Newark or Coppell or New York City
$145k-$155k/yr HybridFull Time
8+ YOEBachelor's or equivalent,8+ years software development experience,proficiency in Java,Node.js,Python,AWS and CI/CD tools,experience with PostgreSQL and leading teams.
Java, Node.js, Python, AWS Lambda, API Gateway, AWS Glue, DynamoDB, Elasticsearch, Amazon S3, EC2, PostgreSQL, Angular, Git, Terraform, Jenkins, Chef
2mo
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Software Engineer AI
Ridgefield, Connecticut, United States
$75k-$181k/yr OnsiteFull Time
Proficiency in Python, LangChain/LangGraph, RAG pipelines, vector DBs, familiarity with major LLM providers, AI evaluation/testing, Git, CI/CD, Docker, and strong communication skills. US work authorization required.
Python, LangChain, LangGraph, OpenAI, Anthropic, Azure OpenAI, AWS Bedrock, LangSmith, Weights & Biases, FAISS, Chroma, Pinecone, Weaviate, Git, Docker, GitHub Copilot, Cursor
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