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Python Developer Jobs in Fairfield, CT, US
2,900+ python developer jobs from 940+ companies hiring in Fairfield, CT, US.
2mo
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Software Engineer
New York, New York, United States
$120k-$180k/yr RemoteFull Time
2+ YOE2+ years software engineering; frontend (React/Vue) and backend (Python/Node); SQL databases, Docker, AWS; tests and quality; fast learning and adaptability.
React, Vue, Python, Node, SQL, Docker, AWS
6d
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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
2mo
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Software Engineer
New York, New York, United States
$160k-$225k/yr OnsiteFull Time
4+ YOE4+ years of professional software engineering; strong backend/frontend fundamentals; interest in AI-enabled engineering; experience with React, TypeScript, Python, PostgreSQL is a plus.
React, TypeScript, Python, PostgreSQL
1mo
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Software Engineer
New York, New York, United States
$130k-$160k/yr HybridFull Time
Software engineer with experience across data, platform, and infrastructure; proficient in Python and modern frontend and backend tools; able to thrive in a startup and cross-functional teams.
Python, dbt, BigQuery, TypeScript, React, Next.js, API design, Async processing, Durable workflows, Terraform, GCP, Github Actions, Claude Code, Gemini/Vertex, Agent Workflows
2mo
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Software Engineer
New York, New York, United States
$130k-$225k/yr OnsiteFull Time
3+ YOE3+ years full-stack experience; proficient in Python, Node.js, Next.js; experience with building with LLMs; strong problem solving; able to work in NYC office.
Python, Node.js, Next.js, MongoDB, PostgreSQL
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
2w
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Senior Software Engineer, Applications
New York City, New York, United States
$180k-$210k/yr HybridFull Time
5+ YOE5+ years in software engineering; backend services or microservices; Node.js; Go or Python; frontend with React; cloud-native (Kubernetes, AWS/GCP/Azure); SQL databases; CI/CD; security best practices; AI-assisted development tools.
Node.js, Go, Python, React, Kubernetes, AWS, GCP, Azure, Postgres, MySQL, CircleCI
1mo
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Senior Software Engineer, Full Stack
New York, New York, United States
$127k-$235k/yr HybridFull Time
4+ YOE4+ years of full-stack development; backend focus with Node.js, Python, or Go; REST APIs; SQL/NoSQL databases; Docker/Kubernetes; AWS/GCP; TypeScript/React; distributed systems and API design.
Node.js, Python, Go, REST APIs, SQL, NoSQL, Docker, Kubernetes, AWS, GCP, TypeScript, React
6d
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Senior Software Engineer I
San Francisco or Denver or New York City
$200k-$230k/yr HybridFull Time
3+ YOE3–5+ years of OO development (TypeScript, C#, Java); Python for data tasks; React + Tailwind; data architectures; private markets data; CI/CD; cloud platforms; Git; Agile.
TypeScript, C#, Java, Python, React, TailwindCSS, PostgreSQL, AWS, Azure, GCP, Git, GitHub, Kafka, WebSockets, JIRA, CI/CD, Data orchestration, Docker, Kubernetes
2w
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Senior Software Engineer, Mid-Frequency Platform
Chicago or London or New York City
$175k-$225k/yr HybridFull Time
5+ YOE5+ years platform-level software development; strong CS fundamentals; Python or modern language; experience with large-scale data; strong analytical skills; distributed team experience.
Python, Spark, Delta Lake, Iceberg, Kafka, Airflow, Argo Workflows, SQL, AWS, Docker, Kubernetes, Splunk, Prometheus, Grafana, Sentry
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++
3mo
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Experienced Software Engineer
Chicago or London or New York City or Austin or Boulder or Seattle
$200k-$300k/yr OnsiteFull Time
3+ YOEBachelor's or Master's in CS/Engineering; experience at top-tier firm; Python or C++; strong data structures and communication.
Python, C++, Data Structures, Algorithms, Distributed Systems, Debugging, Software Development Lifecycle
1w
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Senior Software Engineer - Scala
New York City, New York, United States
$144k-$213k/yr HybridFull Time
5+ YOE5+ years software development; strong functional programming; Scala; scalable backend design; cloud-native, microservices; fault-tolerant systems; Cats-Effect or ZIO; AWS/GCP/Azure; Python in ML; Agile; payments/ad tech knowledge.
Scala, Cats-Effect, ZIO, AWS, GCP, Azure, Python
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
3w
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Backend Engineer
New York, New York, United States
$160k-$215k/yr OnsiteFull Time
7+ YOE7+ years backend engineering experience; Python/Django or similar; PostgreSQL with geospatial queries; Docker, Kubernetes, AWS; OAuth2/OIDC/JWT; strong cross-functional communication.
Python, Django, PostgreSQL, PostGIS, Kubernetes, AWS, Docker, OpenAPI, Terraform, OpenTofu, CI/CD
1w
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103Q - Lead Software Development Engineer - Flex Location
Parsippany or Atlanta or Mahwah or Louisville or Timonium
$121k-$225k/yr HybridFull Time
Lead AI engineer with hands-on software development, experience with Generative AI, GitHub Copilot, and DX tooling; strong Python/Java/C# background; familiar with large-scale enterprise environments.
Python, Java, C#, GitHub Copilot, Microsoft Copilot Studio, Power Platform, LLMs, Embeddings, RAG
1w
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Software Development Engineer 2
Bellevue or New York
$105k-$120k/yr HybridFull Time
2+ YOEBachelor's degree; 2–4 years data/software engineering; Python or Java; SQL and AWS data stack experience.
Python, Java, MySQL, Snowflake, AWS, S3, Redshift, Glue, Iceberg, Jupyter Notebooks, Kiro
5d
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Junior Software Engineer
Bronx, New York, United States
$110k-$140k/yr HybridFull Time
2+ YOE2+ years software engineering; full-stack, Python/React; strong fundamentals; self-directed; healthcare experience a plus.
Python, FastAPI, React, TypeScript, MSSQL, Redis, Azure, Terraform
4w
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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
3w
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Software Engineer
New York City, New York, United States
OnsiteFull Time
3+ YOE3+ years of backend/platform/infrastructure experience; strong data structures, APIs, async/distributed systems; production data pipelines, ETL, or search/retrieval; Python and TypeScript in production.
Python, TypeScript, AWS, GCP, ETL, APIs, Data pipelines
1mo
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Growth Engineer
New York, New York, United States
$110k-$130k/yr OnsiteFull Time
Growth-focused engineer with full-stack skills, automation, AI agents, and data-driven experimentation; proficient in JS/Python/SQL; API/workflow automation; proven growth experiments.
Clay, Apollo, Clearbit, Instantly, Hypergrowth, JavaScript, Python, React, APIs, SQL, Zapier, Retool, Make
2mo
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Platform Engineer
New York City, New York, United States
$150k-$250k/yr HybridFull Time
5+ YOE5+ years in Platform, Site Reliability, or infrastructure roles; strong containerization, CI/CD, cloud expertise; Python/Go/Bash coding; experience with GCP; focus on observability and reliability.
Docker, Kubernetes, ECS, CI/CD, Python, Go, Bash, GCP, Monitoring, Observability
2mo
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Spring Internship, Software Developer
New York, New York, United States
OnsiteInternship
Pursuing a degree in computer science, software engineering, robotics or related field; strong written communication; programming in C++, Python, and/or Rust; able to explain technical concepts clearly; self-directed documentation projects.
C++, Python, Rust, Git, CI/CD, Sphinx, Doxygen, MkDocs, ReadTheDocs, ROS, ROS2
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
3w
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Software Engineer
New York, New York, United States
$140k-$180k/yr OnsiteFull Time
2+ YOE2+ years server-side experience (Python, Ruby, Java); web frameworks (Django, Rails); JS frameworks (React, Angular, Ember, Backbone); SQL; AWS; US work authorization.
Python, Ruby, Java, Django, Rails, Angular, React, Ember, Backbone, AWS, SQL
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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Senior+ Backend Engineer
Brooklyn, New York, United States
$150k-$250k/yr OnsiteFull Time
5+ YOE5+ years backend experience with Python; FastAPI/asyncio; PostgreSQL and Redis; distributed systems; DevOps mindset; GenAI/LLM pipelines.
Python, FastAPI, Elixir/Phoenix, PostgreSQL, Redis, Docker
2mo
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AI Engineer (Enterprise)
New York, New York, United States
$155k-$200k/yr OnsiteFull Time
Design and implement AI/ML models and features; Python; LangChain/LlamaIndex; AI/ML frameworks; financial services experience preferred.
Python, LangChain, LlamaIndex, Vector Stores, OpenAI API, Anthropic API, MCP servers/clients
2mo
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Full-Stack Engineer (Integrations)
New York City, New York, United States
$140k-$160k/yr OnsiteFull Time
3+ YOE3+ years web development; strong Python/Django backend; full-stack literacy with React; experience building integrations with third-party platforms (LMS/edtech); familiarity with LTI, OAuth, SCIM, webhooks, REST/GraphQL; able to work with legacy systems and ambiguity.
Python, Django, React, LTI, OAuth, SCIM, REST, GraphQL
2mo
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AI Research Engineer - Alpha Discovery (USA)
New York, New York, United States
$175k-$200k/yr OnsiteFull Time
Strong Python skills, statistics, ML, backtesting; experience building research infrastructure; familiarity with AI coding tools in a development workflow; experience in quantitative research or alpha development preferred.
Python, Claude Code, GPT-based agents, Backtesting
2mo
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Senior Quant Developer
New York, New York, United States
$151k-$252k/yr OnsiteFull Time
4+ YOE3+ years C/C++ enterprise solutions; 4+ years experience; 2+ years large-scale projects; 3+ years Linux; Python; strong communication; global team experience; cloud knowledge.
C/C++, Python, Linux, AWS, Azure, Kubernetes, Lambdas
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
3w
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Solutions Engineer
New York, New York, United States
$140k-$180k/yr OnsiteFull Time
1+ YOE1+ years of relevant work experience; knowledge of object-oriented programming (Swift, Node, JavaScript, Python); strong problem-solving and project management; excellent communication; familiarity with AI-assisted tools.
Swift, Node.js, JavaScript, Python, AI-assisted development tools
1w
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Software Engineer – Data Team
New York, New York, United States
$165k-$190k/yr OnsiteFull Time
3+ YOEMaster’s degree in CS, Data Science, or Software Engineering with 3 years of Python infrastructure experience.
Python, SQL Server, Hadoop, Spark, Redis, NoSQL, Jira, Confluence
5d
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Sr. Software Engineer
New York or United States
$126k-$197k/yr RemoteFull Time
6+ YOEBachelor's degree in Computer Science or equivalent; at least 6 years of experience; full-stack with Python, PySpark, Databricks, AWS/AI/ML.
Python, PySpark, Databricks, AWS, AI/ML
1mo
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Software Engineer
New York, New York, United States
$130k-$160k/yr OnsiteFull Time
2+ YOE2+ years software engineering; BS in CS or related field or equivalent experience; proficient in modern languages (TypeScript, Python, Golang); cloud experience; product-minded; motivated to improve healthcare through tech.
TypeScript, Python, Golang, NodeJS, React, GraphQL, AWS, PostgreSQL, Terraform
3mo
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Fullstack Engineer
New York City, New York, United States
$140k-$200k/yr OnsiteFull Time
3+ YOE3-5 years of industry experience; strong Node.js and Python; experience with secure, scalable AWS architectures; scalable data infrastructure; knowledge of AI/ML; collaborative in startup environments; finance experience a plus.
Node.js, Python, AWS, AI/ML
1mo
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Executive Director (Senior Lead Securities Python Quantitative Developer )
New York or Charlotte
$215k-$355k/yr OnsiteFull Time
7+ YOE7+ years securities quantitative analytics and Python 3 experience; strong Python proficiency; degree preferred.
Python, C++, CUDA, Cython, JAX
3w
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Software Engineer, Partnerships
San Francisco or New York
$150k-$175k/yr HybridFull Time
4+ YOE4-7+ years software engineering; experience building third-party platform integrations; API design and OAuth; Python; PostgreSQL; product-minded.
Python, PostgreSQL, SQL, OAuth 2.0, APIs, REST
1w
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Senior Software Engineer
New York, New York, United States
$170k-$250k/yr HybridFull Time
5+ YOE5+ years backend engineering; proficiency in Python/Java/Go/Rust/Node.js; distributed systems; databases; cloud platforms; crypto/DeFi experience.
Python, Java, Go, Rust, Node.js, AWS, GCP, Azure, PostgreSQL, MongoDB, Kafka, RabbitMQ
HiringCafe market data
Python 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
2,900+
Hiring companies
940+
Fresh sample
47% new in 30d
Salary visibility
96% show pay
Companies appearing in this market
AddeparCapstone Investment AdvisorsDRWForge GlobalHudson River TradingLangChainLondon Stock Exchange GroupMaybern
Work location mix in visible results
Onsite: 52Hybrid: 36Remote: 6