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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.
5d
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GTM Engineer
New York or Austin or San Francisco
$160k-$180k/yr HybridFull Time
3+ YOE3+ years software engineer; 1+ year shipping LLM systems; strong Python/TypeScript; AI-native focus; self-directed; customer-focused.
Python, TypeScript, LangChain, LangGraph, LLM, RAG
1mo
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Integrations Engineer
New York City or San Francisco
$160k-$265k/yr OnsiteFull Time
2+ YOE2–5 years software engineering, Python backend, integrations with third-party APIs, cloud (AWS), Kafka/PostgreSQL/Redis/Elasticsearch, on-call reliability.
Python, AWS, Kafka, PostgreSQL, Redis, Elasticsearch, Snowflake, S3, SharePoint, Dropbox, Google Drive
1mo
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Senior / Staff Software Engineer, Data Platform
San Francisco or New York City
HybridFull Time
5+ YOE5+ years engineering experience; strong Python and SQL; experience with OLAP systems (ClickHouse, Redshift) and data-powered product surfaces; shipping data pipelines and enrichment features.
Python, SQL, ClickHouse, Redshift, AWS Glue, S3
1mo
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Developer
New York, New York, United States
RemoteFull Time
Bachelor's degree or equivalent experience; strong JavaScript/Python; experience with React/Node.js/Django; SQL/NoSQL; remote collaboration; AI experience a plus.
JavaScript, Python, React, Node.js, Django, SQL, NoSQL
1w
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Senior AI Engineer
New York, New York, United States
$170k-$200k/yr OnsiteFull Time
6+ YOE6+ years software engineering; 2+ years LLM/AI apps; strong Python; experience with LLM APIs and data pipelines; cloud and workflow tools; autonomous, iterative development.
TypeScript, React, Scala, Java, Snowflake, AWS, Airflow, Prefect, Git, GitHub, Copilot, Claude, Datadog, OpenAI API, Anthropic API
1w
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Junior Quantitative Developer
New York or Chicago
$125k-$185k/yr OnsiteFull Time
0+ YOEBachelor’s degree in a quantitative/technical field; 0–3 years software/quantitative experience; strong Python; SQL/PostgreSQL; production engineering; interest in financial markets.
Python, SQL, PostgreSQL, Git, CI/CD, Data pipelines, ETL
2mo
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Director of Software Development - London / New York
London or New York
HybridFull Time
8+ YOE3+ MgmtLead software strategy across real-time 3D, ML and platform development; strong leadership; proven architect of scalable systems; cloud, CI/CD, Unreal Engine and Pixel Streaming experience; 8+ years in software development; 3+ years leading teams.
Unreal Engine, Pixel Streaming, JavaScript, React, WebRTC, Python, Machine Learning, CI/CD, Cloud infrastructure
1w
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Backend Engineer
New York, New York, United States
$196k-$265k/yr HybridFull Time
Hands-on production software in TypeScript and Python; full-stack capabilities; experience with AWS and Terraform; understands memory/concurrency; startup/ownership mindset; focus on code quality.
TypeScript, Python, AWS, Terraform, C, C++
2mo
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Research Associate, Quantitative Developer
New York City or Singapore
$200k-$250k/yr HybridFull Time
1+ YOE1–4 years in quantitative development or research engineering; strong Python; willingness to expand Scala production stack; experience with statistics and time-series is a plus.
Python, Scala, SQL, Snowflake, Production-grade software
3w
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AI Engineer
Los Angeles or New York
$130k-$160k/yr RemoteFull Time
3+ YOE3–6 years of software engineering or applied AI; strong Python; production AI systems, RAG pipelines, prompt architectures; translate business problems into AI workflows.
Python, APIs, LLM, RAG, embeddings, JSON
4w
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Forward Deployed Engineer
New York, New York, United States
$200k-$300k/yr HybridFull Time
2+ YOE2+ years software engineering or technical deployment; experience with AI tooling; production-grade integrations; strong Python.
Python, ChatGPT API, Claude, Notion AI, Agent development frameworks
2mo
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GTM Engineer
New York City, New York, United States
RemoteFull Time
2+ YOE2–3+ years software engineering; AI/LLM in production; full-stack development; comfortable with multiple tech stacks and problem domains.
React, Python, Next.js, Sanity CMS, dbt
4d
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Principal Engineer
New York, New York, United States
$180k-$225k/yr OnsiteFull Time
8+ YOELead architect for a web-based test management platform; 8+ years software development; React/TypeScript; REST APIs; Agile workflows.
React, TypeScript, Python, REST APIs, Kafka, WebSocket, SSE, gRPC-Web
2mo
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Research Associate, Quantitative Developer
New York City or Singapore
$200k-$250k/yr HybridFull Time
1+ YOE1-4 years in quantitative development/research engineering; strong Python; willing to expand to Scala; SQL and data platforms; production-quality coding; statistics knowledge.
Python, SQL, Snowflake, Scala, R, Machine Learning
3w
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Embedded Engineer
New York City, New York, United States
$150k-$220k/yr OnsiteFull Time
5+ YOEEmbedded software for radio spectrum intelligence; 5-10 yrs in embedded Linux/RTOS; C/C++, Python; Yocto/Buildroot; Docker/Systemd; US security clearance eligible.
C, C++, Python, Bash, Yocto, Buildroot, Docker, Systemd, Embedded Linux, SPI, I2C, UART, Ethernet, Linux
2mo
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Backend Engineer
New York City, New York, United States
$148k-$195k/yr OnsiteFull Time
3+ YOE3+ years in software engineering; distributed systems experience; proficient in Python/Java/Kotlin/TypeScript; strong DB knowledge (Postgres, Redis, Redshift, BigQuery); REST APIs; independent and collaborative.
Python, Java, Kotlin, TypeScript, Redis, Postgres, RedShift, BigQuery, REST APIs, Django, Pandas, DynamoDB, Docker, Kubernetes, GraphQL
1mo
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AI Engineer
New York, New York, United States
$110k-$150k/yr HybridFull Time
4+ YOE4+ years software engineering; 1+ year Generative AI; Python/PySpark/R/SQL; Azure AI stack; Databricks; TensorFlow/PyTorch; Azure services; security and ethics in AI.
Python, PySpark, R, SQL, Azure, Azure Data Factory, Azure Synapse, Azure Cognitive Services, Databricks, TensorFlow, PyTorch, Copilot Studio, Azure Functions, Graph connectors, Retrieval-Augmented Generation
1mo
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Developer / Engineer (NY Tri-State, NY, US)
New York, New York, United States
OnsiteFull Time
5+ YOE5+ years building data pipelines with Python, PySpark, Django; 3+ years MLOps; 3+ years Python data loading; 3+ years Hadoop ecosystem; 3+ years RDBMS/NoSQL; 3+ years Unix/Linux.
Python, PySpark, Django, NumPy, pandas, Hadoop, Hive, Spark, Kafka, AWS, PostgreSQL, MySQL, Unix/Linux
1mo
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AI Engineer
New York, New York, United States
$73k-$95k/yr OnsiteFull Time
Design, build, and deploy AI-powered systems; strong Python/JavaScript; LLMs, MLOps; Azure DevOps; AWS; API/backend/frontend development; production-grade AI.
Python, JavaScript, React, Angular, LangChain, LlamaIndex, vLLM, TGI, Azure DevOps, AWS, PostgreSQL, Redshift, Qdrant, Redis, Docker, Kubernetes, REST, GraphQL
2mo
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AI Engineer
White Plains, New York, United States
$120k/yr RemoteFull Time
3+ YOE3+ years of software engineering or AI systems experience; strong Python; experience training/fine-tuning models; experience deploying AI models; familiarity with open-source LLM frameworks and tools.
Python, Open-source LLM frameworks, Machine learning tooling
2mo
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AI Agent Engineer
New York City, New York, United States
$165k-$175k/yr HybridFull Time
Production-grade software experience; strong Python; AI/LLM workflows; API integration; cloud platforms; security in regulated environments.
Python, LLM, APIs, Cloud platforms (AWS, GCP, Azure), Docker, Kubernetes, Salesforce, Slack, Notion
1w
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Investment Compliance Engineer
New York, New York, United States
$190k-$250k/yr OnsiteFull Time
10+ YOE10+ years in development, strong Python/Java/C++, cloud, data, compliance domain knowledge in capital markets.
Python, Java, C++, SQL, NoSQL, AWS, Azure, Google Cloud, Kafka, Docker, Kubernetes, Git, GitHub, Jenkins, Copilot, Cursor, Model Context Protocol, SQL/NoSQL databases
3w
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Software Engineering & Development
Clifton, New Jersey, United States
$190k-$245k/yr HybridFull Time
5+ YOEBachelor’s degree in CS/CE or related field; 5+ years in application development in financial services; strong Java/C/C++/C#, Angular, Node.js, REST, SQL/NoSQL; experience with AWS, Docker, Linux; SQL Server BI; UI features; cloud migration.
Java, C++, C#, Angular, Node.js, JavaScript, Python, Scala, Julia, REST, WebSockets, SQL, PostgreSQL, KDB, Docker, Linux, AWS, ExpressJS
4d
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Senior / Staff Software Engineer, Data Infrastructure
Boston or New York City
$222k-$288k/yr OnsiteFull Time
5+ YOE5-7+ years in software/data engineering; Python; AWS data services; Snowflake; Dagster/Airflow; dbt; Terraform; data warehousing and pipelines.
Python, AWS (Kinesis, Firehose, Lambda, S3, Glue), Snowflake, Dagster, Airflow, dbt, Terraform
1mo
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Senior AI Engineer - Detect
New York, New York, United States
$180k-$210k/yr HybridFull Time
5+ YOE5+ years software engineering; experience training/fine-tuning external ML/AI models; Python or TypeScript; strong evaluation/experiment tracking
Python, TypeScript, React, Kotlin, Java, Google Vertex AI, AWS SageMaker
1mo
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Senior+ Backend Engineer
New York City, New York, United States
$150k-$250k/yr OnsiteFull Time
5+ YOE5+ years backend development in Python, FastAPI, asyncio; strong PostgreSQL and Redis skills; experience with distributed systems and DevOps; experience with GenAI/LLM pipelines.
Python, FastAPI, asyncio, PostgreSQL, Redis, Elixir/Phoenix, Docker
2w
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Application Developer
New York City or Bronx
$115k/yr HybridFull Time
5+ YOEFive years .NET development; strong web/app development in Azure; full SDLC experience; communication skills.
NET, ASP.NET, MVC, ADO.NET, Web Services, Web APIs, HTML5, CSS, JavaScript, JQuery, Bootstrap, Microsoft SQL Server, WPF, MVVM, XAML, PHP, Python, .NET Core, SPAs, Azure, Azure DevOps, Azure Functions, Oracle, SQL Server, SharePoint, App Service, Active Directory, Azure CI/CD, Telerik UI, Node.js, React.js, Blob storage, MS Azure
2mo
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Integration Engineer
New York or San Francisco
$110k-$164k/yr RemoteFull Time
BS/MS in CS/Software Eng or related field; experience with Linux, Bash; Golang preferred; strong analytical, data skills; SQL, Python, Perl, R; excellent communication; interest in mobile advertising and anti-fraud.
Linux, Bash, Golagul, SQL, Python, Perl, R
4d
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Principal Engineer
New York, New York, United States
$180k-$225k/yr OnsiteFull Time
8+ YOE8+ years software development; 4+ years React/TypeScript; BS in CS/CE; REST APIs; data-intensive web apps; internal tools; AI coding assistants.
React, TypeScript, Python, C++, Java, REST APIs, Kafka, FastAPI, Flask, Django, WebSocket, SSE, gRPC-Web, AI coding assistants
4d
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AI Staff Engineer (SW Engineer IV+)
Philadelphia or Boston or New York City or Baltimore or Washington D.C. or Charlotte or Raleigh-Durham or Atlanta or Chicago
$170k-$220k/yr HybridFull Time
8+ YOE8+ years software engineering; experience with Python/JS/TS; data pipelines; AI/ML production; cloud-native systems (AWS); strong cross-functional collaboration.
Python, JavaScript/TypeScript, AWS, Databricks, Spark, Snowflake, AI/ML
1mo
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Senior Backend Engineer
New York, New York, United States
$170k-$190k/yr HybridFull Time
5+ YOE5+ years backend software engineering; expert Python/Django; AWS expertise; experience building AI features; US citizen or green card holder; hybrid NY-based eligibility.
Python, Django, NextJS, PostgreSQL, pgvector, Qdrant, RAG, OpenAI SDK, Langchain, CI/CD, Celery, BitBucket, Jenkins
1mo
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Quantitative Developer
London or New York City
$175k-$225k/yr HybridFull Time
Strong programming skills and quantitative acumen; experience with Python and C++; familiarity with trading or finance is a plus.
Python, C++, Cloud computing
1mo
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Applications Engineer
New York, New York, United States
$125k-$165k/yr OnsiteFull Time
3+ YOE3-5 years RESTful API development with Python; experience with Azure, ETL, data pipelines; knowledge of Postgres, AWS services, Docker; understands microservice patterns and SDLC; familiar with SOAP, JSON, XML.
Python, Azure, AWS, PostgreSQL, S3, AWS API Gateway, AWS Lambda, Git, Docker, SOAP, JSON, XML, NoSQL
2mo
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Senior AI Engineer, Unstructured AI
New York, New York, United States
$204k-$255k/yr HybridFull Time
Strong Python and backend development experience; production-grade AI/ML systems; data integration and large-scale processing.
Python, FastAPI, Spark, LLM, APIs, SharePoint, Salesforce
5d
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Simulation Infrastructure Engineer
New York City, New York, United States
HybridFull Time
6+ YOE6+ years of professional software engineering, strong Python, cloud infra expertise, deployment and service integration experience, generalist platform mindset, and strong communication.
Python, AWS, gRPC, Kubernetes, Ray, Spark, CI/CD, Data pipelines
1mo
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Test Automation Engineer
Greenwich, Connecticut, United States
HybridFull Time
3+ YOE3+ years software engineering with strong Python and testing skills; experience with unit testing frameworks; Bachelor's degree in a quantitative field; strong communication and collaboration.
Python, pytest, unittest, git
1mo
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Senior AI Engineer
Atlanta or Boston or Charlotte or Chicago or Dallas or Los Angeles or New York or San Francisco
$145k-$230k/yr HybridFull Time
3+ YOE3–8+ years software engineering experience with AI/ML systems; production LLM apps (RAG, agentic workflows); Python; LangChain/LangGraph/AutoGen/DSPy; strong data engineering basics.
Python, LangChain, LangGraph, AutoGen, DSPy, SQL, NoSQL, Vector databases, ETL
1mo
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Senior Vice President, Full-Stack Engineer
New York or Jersey City or Pittsburgh or Lake Mary
$102k-$195k/yr OnsiteFull Time
10+ YOE10-14 years software development experience; strong Python/JavaScript, SQL/MongoDB; REST APIs; DevOps; storage infra; experience in financial services preferred.
Python, Django, Flask, REST API, JavaScript, HTML, CSS, SQL, MongoDB, VS Code, PyCharm, Git, CI/CD, Ansible, Jira, Confluence, Windsurf, Docker, Kubernetes, Jest, Jasmine, Karma
2w
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Sr Principal Software Engineer - Full Stack (Ridgefield, CT, United States, Connecticut)
Ridgefield, Connecticut, United States
$140k-$222k/yr OnsiteFull Time
9+ YOESenior full-stack engineer with extensive frontend and backend experience, OpenShift deployments, and agile practices.
React, Vite, React Native, Swift, Kotlin, Python, TypeScript, Go, REST, OpenShift, Jenkins, Docker, Kubernetes, Copilot, Cursor
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
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
49% new in 30d
Salary visibility
88% show pay
Companies appearing in this market
BNYCity of New YorkPublicis GroupeBridgewater AssociatesHebbiaIntercontinental ExchangeLangChainMetropolis
Work location mix in visible results
Onsite: 35Hybrid: 26Remote: 6