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Python Software Developer Jobs in Fairfield, CT, US
1,500+ python software developer jobs from 570+ companies hiring in Fairfield, CT, US.
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Staff Engineer - Platform Engineering
Scottsdale or Chicago or San Francisco or New York
$145k-$223k/yr HybridFull Time
8+ YOE8+ years in software/platform engineering; CI/CD, Kubernetes, Terraform; GitLab/Harness/Vault/Artifactory; on-prem and AWS; Python/Java/JavaScript/Shell; strong collaboration.
GitLab, Harness, Vault, Artifactory, Kubernetes, Docker, Podman, Terraform, AWS CloudFormation, Python, Java, JavaScript, Shell
3w
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Junior Data & Systems Developer
New York, New York, United States
$70k-$90k/yr OnsiteFull Time
0+ YOEEntry-level data and systems developer; Python, SQL, REST APIs; Flask/FastAPI; AWS basics; Docker; Git; 0-4 years.
Python, SQL, REST APIs, Flask, FastAPI, AWS, Docker, Git
1mo
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Actuarial Developer
New York City or San Francisco or Chicago
$160k-$210k/yr OnsiteFull Time
4+ YOE4+ years P&C actuarial experience; ACAS progress; production Python experience; experience with rating engines.
Python, FastAPI, Pytest, AWS, PostgreSQL, Dagster, DBT
1mo
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AI Engineer Intern
United States or Oklahoma or Texas or Missouri or Colorado or Washington or Virginia or Wyoming or Utah or Maine or New York or Ohio or Florida or Washington
$25/hr RemoteInternship
0+ YOEMS student in CS/Data Science/SE/Applied Math; shipped AI product experience; Python proficient; LLM framework experience; SQL/Pandas; strong software engineering; strong written communication.
Python, LangChain, LlamaIndex, OpenAI API, Anthropic API, Haystack, SQL, Pandas
1w
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Staff Software Engineer
New York, New York, United States
$245k-$306k/yr OnsiteFull Time
Senior ML engineer to design large-scale offline platform, build data pipelines, and distributed training infrastructure using PyTorch, Ray, and related tools.
Python, PyTorch, Ray, Ray Data, Ray Train, Spark, Flink, Airflow, Flyte
2w
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Staff Engineer, AI & Search
New York, New York, United States
$200k-$250k/yr RemoteFull Time
Strong backend software engineering; Python/SQL; Docker; AI/search building blocks; cross-functional collaboration.
Python, SQL, Docker
1mo
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Associate, Quantitative Developer – Prime Services
New York, New York, United States
$150k-$200k/yr OnsiteFull Time
3+ YOEBachelor's degree; 3+ years related experience; strong C#/.NET, Python; full-stack development; data pipelines; SQL; front-office analytics; independent worker; willing to travel occasionally.
C#, .NET, Python, SQL, Azure, Snowflake, Docker, Kubernetes
2mo
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Backend Engineer - Platform Developer Experience
New York, New York, United States
$133k-$190k/yr RemoteAll Commitments Available
3+ YOE3+ years backend experience; strong Java and Python; experience with distributed systems; polyglot environment including Node.js.
Java, Python, Node.js, LLM tooling
2mo
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Staff Backend Engineer, Reliability
San Francisco or New York City
$250k-$295k/yr OnsiteFull Time
8+ YOE3+ Mgmt8+ years software engineering with 3+ years reliability/infrastructure leadership; strong backend focus; databases at scale; proficient in Typescript, Python, or Go.
ClickHouse, PostgreSQL, Typescript, Python, Go
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Staff AI Engineer - Notebooks
Boston or New York or Remote
$234k-$300k/yr HybridFull Time
10+ YOE10+ years engineering, technical lead experience; ML/AI focus; BS/MS/PhD in a scientific field or equivalent; experience deploying and evaluating ML models; product-driven mindset.
Python, Machine Learning, TensorFlow, PyTorch, ML tooling
2w
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Staff Engineer - AI
New York, New York, United States
$225k/yr HybridFull Time
8+ YOE8+ years software engineering; 3+ years building AI/ML in production; distributed systems; AI agents/LLM; startup experience; Python/TypeScript; strong system design; CS/Data Science degree or equivalent.
Python, TypeScript, ML tooling, AI agents, vector search, RAG
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Product Engineer, Global Credit Technology
New York, New York, United States
$180k-$200k/yr OnsiteFull Time
8+ YOE8+ years software engineering; Python backend, React frontend; AI-enabled applications; offshore coordination; experience with enterprise data platforms; degree in CS/engineering.
Python, React, Next.js, LangChain, LlamaIndex, Snowflake, Databricks, PostgreSQL, MS SQL
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Principal AI Engineer
Los Angeles or Boulder or New York or St. Petersburg
$175k-$200k/yr HybridFull Time
8+ YOE8+ years software engineering; 3+ years AI/ML infrastructure; strong Golang, Python, and SQL; experience with LLM APIs and API-first design; cross-functional collaboration.
Golang, Python, SQL, LLM APIs, CI/CD, Cloud Computing
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Applied AI Engineer
New York, New York, United States
$180k-$200k/yr OnsiteFull Time
5+ YOEBS in CS or equivalent, 5+ years software engineering, production AI/LMM apps, retrieval systems, APIs, SQL, cloud (GCP/AWS/Azure), Python/TypeScript, collaboration.
Python, TypeScript, SQL, APIs, Cloud Platforms, LLMs, Embeddings, Vector databases
1mo
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Senior Backend Engineer, Agentic Solutions
New York City, New York, United States
$149k-$190k/yr RemoteFull Time
4+ YOE4+ years in backend software engineering; Python; cloud deployment; real-time integrations; AI tooling; production readiness; strong communication.
Python, AWS, GCP, Azure, APIs, Webhooks, Cursor, Claude Code, GitHub Copilot
2w
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Developer II - Research Informatics & Technology
New York, New York, United States
$85k-$146k/yr HybridFull Time
4+ YOE4+ years software analysis, application support, or software engineering; API and integration platform experience; Linux/server env familiarity; strong analytical, communication, and collaboration.
APIs, Workato, Boomi, Apigee, Python, Java
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Member of Technical Staff (Storage)
New York, New York, United States
$185k-$200k/yr HybridFull Time
3+ YOEExperience with distributed systems and storage; proficiency in Go/C/C++, Java, or Python; 3+ years of experience; BS/MS/PhD in CS or equivalent; interest in AI-driven development; knowledge of storage systems (LSM, MVCC) a plus.
Go, C/C++, Java, Python
2mo
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Senior Full-Stack Engineer
New York City, New York, United States
$160k-$185k/yr HybridFull Time
6+ YOE6+ years in production web software; backend or full-stack with complex workflows; Python and JavaScript; RESTful APIs; comfortable across the stack; rule-based and configurable systems.
Python, JavaScript, RESTful APIs
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Applied AI Engineer
New York City, New York, United States
$175k-$250k/yr HybridFull Time
3+ YOE3+ years in software or ML engineering; production AI/ML systems experience; multi-step ML pipelines; backend/API development; startup-ready mindset.
Python, Machine Learning, APIs, Docker, Kubernetes
2mo
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Principal AI Engineer
Louisville or New York City or Tampa or Boston or Dallas or New York City or Washington DC
$172k-$237k/yr HybridFull Time
10+ YOE10+ years of engineering/software/platform experience; deep Python and cloud-based AI platform experience; 5+ years Kubernetes/Docker; CI/CD and DevOps proficiency; strong ML engineering background.
Python, FastAPI, Flask, REST, gRPC, AWS, GCP, Azure, Docker, Kubernetes, GitLab CI/CD, Jenkins, Kubeflow, ArgoCD, OpenAPI/Swagger, LangChain, LlamaIndex, PydanticAI, PyTorch, TensorFlow
1mo
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QA Automation Engineer
Upper Saddle River, New Jersey, United States
$60k/yr OnsiteFull Time
2+ YOE2+ years in software QA and test automation; strong Python or Java; experience with Selenium, Playwright, JUnit, TestNG, pytest; SDLC knowledge; API and web/backend testing; CI/CD and Git experience.
Python, Java, Selenium, Playwright, JUnit, TestNG, pytest, Git, CI/CD
2w
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AI Support Engineer
San Francisco or New York City
OnsiteFull Time
2+ YOE2+ years in a technical role; BS in CS/Software Engineering; distributed computing, containers; Python/Java/Go; strong problem solving and customer-facing skills; startup mindset; interest in AI/ML.
Docker, Kubernetes, Python, Java, Go
3mo
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Generative AI Solutions Developer
New York, New York, United States
HybridFull Time
15+ YOESenior-level GenAI solutions developer with 10-15 years cloud ML platform experience; proficient in Python, ML concepts, multi-cloud, MLOps, security; strong with NLP models and APIs.
Python, JavaScript, TypeScript, Pandas, NumPy, SQL, FastAPI, LangChain, Ray, Triton, Airflow
2mo
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Senior Product Engineer
New York City, New York, United States
RemoteFull Time
3+ YOE3–7 years software engineering; full-stack expertise (React, TypeScript, Python, AWS); strong product sense; experience with AI/LLM-powered systems; ability to own product areas end-to-end.
React, TypeScript, Python, AWS
1w
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Senior Full-Stack Engineer
New York, New York, United States
$155k-$175k/yr HybridFull Time
7+ YOE7+ years of production software experience; strong TypeScript, React, Next.js; Python and Django; RESTful APIs; PostgreSQL/MySQL; cloud; observability; leadership; collaboration.
TypeScript, React, Next.js, Python, Django, REST, PostgreSQL, MySQL, Redis, Pinecone, Contentful, Datadog, Sentry, Langsmith, LangChain, LangGraph, LangMem, Docker, Kubernetes, AWS, GCP
1w
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Sr. Applied AI Engineer
London or Berlin or New York City
HybridFull Time
3+ YOE3-6 years in data science, software engineering, consulting, or product management with customer-facing experience; strong Python and SQL; REST APIs; ability to build reusable AI products.
Python, SQL, REST APIs
2mo
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Sr. Manager/ Director AI Software Engineer
New York or Toronto
HybridFull Time
8+ YOE3+ Mgmt8-12+ years full-stack exp; 3+ years in leadership; experience with AI design tools and workflow automation; strong frontend (React/Vue/Nuxt) and backend (Python/NodeJS/PHP); design systems with Figma; cloud platforms; API design.
v0.dev, bolt.new, Lovable, N8N, React, Vue, Nuxt, TypeScript, Python, PHP, NodeJS, Tailwind, AWS, Azure, GCP, OAuth, JWT, Figma, Supabase, REST, GraphQL, Jira
1mo
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Sr. Engineer - Systematic
Chicago or New York City
$150k-$250k/yr HybridMultiple Commitments Available
Senior engineer with Python expertise, experience on systematic trading desks, and ability to translate trader strategies into technical solutions.
Python, asyncio, pandas, NumPy
1mo
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Forward Deployed Engineer - Healthcare
New York City, New York, United States
$120k-$160k/yr HybridFull Time
3+ YOE3+ years in data science, software development, or solutions engineering; healthcare enterprise experience; PHI handling; AI/ML, RAG pipelines; travel 10–20%.
Python, React, Next.js, APIs, EHR integrations
2w
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Sr Full Stack Developer / ITS Digital Transformation
Farmington, Connecticut, United States
OnsiteFull Time
5+ YOESenior full stack developer with JavaScript, C#, Angular/ReactJS; 5+ years web development; Bachelor's degree in CS/Software Eng; healthcare IT experience preferred; strong collaboration and communication.
JavaScript, C#, Angular, React, ASP.NET / .NET, WordPress, Python, Google Cloud Platform, Amazon Web Services, Microsoft Azure, Git, SQL, NoSQL
2mo
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Newsroom AI Engineer
New York City, New York, United States
$90k-$120k/yr OnsiteFull Time
2+ YOE2+ years shipping production software or ML systems; experience building end-user tools in content/media; strong journalist empathy; frontend with React; API design; Python, AWS, Git; experience with LLM APIs; newsroom experience preferred.
JavaScript, TypeScript, React, Next.js, Python, AWS, Git, LLM APIs
2mo
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Applied AI Engineer (Automation)
New York City, New York, United States
OnsiteFull Time
3+ YOE3-8 years software/AI engineering; 2-3+ years AI automation; strong Python; API/service experience; LLM integration; workflow automation; RAG fundamentals; production engineering; client-facing.
Python, FastAPI, n8n, Make, Zapier, OpenAI, LangChain, LangGraph, Google ADK, Pinecone, Elasticsearch, pgvector, Docker, AWS, GCP, Azure, IBM watsonx.ai, Celery, Redis, Kafka
2w
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Senior Full-Stack Engineer
New York, New York, United States
$160k-$203k/yr HybridFull Time
5+ YOE5+ years of full-stack software engineering; strong frontend (React/TypeScript), backend (Python/Go), API (REST/GraphQL), cloud (AWS/GCP/Azure), databases (SQL/NoSQL), and collaboration with ML teams.
React, TypeScript, Python, Go, REST, GraphQL, AWS, GCP, Azure, SQL, NoSQL, Docker, Kubernetes
1mo
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Backend Engineer
New York City, New York, United States
$125k-$225k/yr OnsiteFull Time
Strong Python backend, event-driven architectures, cloud/Kubernetes, secure services; experience with distributed systems.
Python, Kafka, Kubernetes, Rust
2mo
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GTM Engineer
New York, New York, United States
OnsiteFull Time
Full-stack experience with React, TypeScript, Python, SQL; customer-facing experience; pragmatic, ownership mentality.
React, TypeScript, Python, SQL
2mo
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Senior Applied AI Engineer
Denver or Chicago or East Rutherford or Los Angeles or New York or Phoenix or San Francisco or Seattle
$125k-$186k/yr OnsiteFull Time
8+ YOE8+ years software engineering; expert Python; strong AWS; data modeling; LLM evaluation; experience with agentic systems and enterprise AI patterns; Bachelor's in CS/Engineering or equivalent.
Python, AWS, SQL, LLM, Dataiku, OpenAI
2w
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Volatility Trading Developer
New York, New York, United States
$125k-$150k/yr OnsiteFull Time
Bachelor’s in quantitative field; strong Python/Java/C++; SQL familiarity; problem-solving; trader-focused mindset.
Python, Java, C++, SQL
1w
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Applied AI Engineer
Denver or New York City or San Francisco or Seattle
$178k-$330k/yr OnsiteFull Time
6+ YOE6+ years in applied ML/AI or ML-heavy software engineering; BS/MS in CS/ML or related quantitative field; experience in ranking/personalization or search systems; Python/PyTorch proficiency; strong MLOps and distributed training knowledge; onsite work ability.
Python, PyTorch, MLOps, GPUs, LLMs, Ranking systems, RAG/LLM pipelines, Distributed training
1mo
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Fullstack Engineer
New York, New York, United States
$180k-$210k/yr HybridFull Time
Frontend and backend engineer skilled in React and Python, with API design, scalable backend systems, and CI/CD practices.
React, Python, Django, Django REST Framework, HTML, CSS, REST APIs, CI/CD, Databases, ORMs
3w
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AI Engineer
New York City or San Francisco or Columbus or Remote
RemoteFull Time
Experience building with LLMs in production; strong JS/TS or Python; familiarity with embeddings, retrieval, and API-driven systems.
JavaScript, TypeScript, Python, OpenAPI, JSON, LLMs, Embeddings, Retrieval systems, APIs
HiringCafe market data
Python Software Developer Jobs market signals in Fairfield, CT, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
1,500+
Hiring companies
570+
Fresh sample
29% new in 30d
Salary visibility
83% show pay
Companies appearing in this market
HumanaSpotifyTaktileDatadogEarly Warning ServicesPermitFlowUnifyUnity
Work location mix in visible results
Hybrid: 29Onsite: 25Remote: 12