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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.
1mo
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Software Engineer - Reference Data (Java/SQL)
New York, New York, United States
$175k-$200k/yr OnsiteFull Time
5+ YOE5+ years in enterprise distributed systems; Java and SQL expertise; interest in trading/financial markets.
Java, SQL, Oracle RDBMS, Python, HBase, Hadoop, Linux, SVN, Git
1w
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Software Development Manager
Shelton, Connecticut, United States
RemoteFull Time
8+ YOE3+ MgmtBachelor’s in Computer Science or related field; 8 years in software product development and management; 3 years leading software teams; strong skills in cloud, databases, and full stack technologies.
Azure, Kubernetes, C#, Angular, Node JS, React JS, Python, SQL, ERP integration
2mo
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Senior Software Engineer (AWS/Kubernetes) - Cloud Center of Excellence
Irving or Stamford
$100k-$154k/yr HybridFull Time
4+ YOE4+ years in AWS, Kubernetes, and DevOps; GitOps; IaC; Kubernetes lifecycle; automation and security.
AWS, Kubernetes, Terraform, GitOps, Argo CD, Flux CD, Helm, Kustomize, OCI, Python, Shell
2w
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Principal Software Engineer
New York, New York, United States
$170k-$200k/yr OnsiteFull Time
7+ YOE7+ years in software engineering; proficient in Java, Python, PHP; strong systems thinking; excellent communication; mentoring and culture-building; experience with microservices and cloud platforms.
Docker, GitHub Actions, OpenFGA, Auth0, RedPanda, AWS, MySQL, HCL
1mo
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Prime RAD Developer
New York, New York, United States
$120k-$175k/yr OnsiteFull Time
Design, develop, and improve software using Python, AngularJS/ReactJS, REST APIs, SQL; containerize with Docker; implement CI/CD; ensure secure coding and testing.
Python, AngularJS, ReactJS, RESTful APIs, Docker, CI/CD, SQL
1mo
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Software Engineering Principal
New York City, New York, United States
$225k-$275k/yr HybridFull Time
10+ YOE10+ years in software engineering; Java or Python; experience in consulting/professional services; use of AI in SDLC with human in the loop.
Java, Python, Cloud, AI in SDLC
3w
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Junior AI Engineer
New York, New York, United States
$100k-$120k/yr OnsiteFull Time
2+ YOE2+ years of production software development with strong Python skills; knowledge of RAG, GenAI, and AI workflow concepts.
Python, Java, TypeScript, LangChain, LangGraph, PyTorch, TensorFlow, JAX, FastAPI, REST APIs, JSON, SQL, FAISS
1w
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Applications Developer
New York, New York, United States
$120k-$140k/yr OnsiteFull Time
5+ YOE5+ years of software development, with business tools for finance/trading.
HTML, JavaScript, Python, SQL, GraphQL, Microsoft Fabric
1mo
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AI Developer Experience Engineer
New York City, New York, United States
$180k-$250k/yr OnsiteFull Time
3+ YOE3–7+ years software engineering; strong Python; experience with LLMs, AI workflows, and internal tooling; backend systems and data pipelines.
Python, APIs for LLMs, OpenAI, Anthropic, LLMs, Data pipelines, Backend tooling
1mo
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AI Systems Engineer
New York, New York, United States
$125k-$250k/yr RemoteFull Time
Experience in software development, AI integration, API development, and automation; proficient in Python/JavaScript/TypeScript; strong communication; able to ship production-ready code.
Python, JavaScript/TypeScript, Slack, OpenAI, Anthropic, APIs, Web Scraping
1mo
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Staff Backend Engineer
Mountain View or New York City or Los Angeles or San Francisco
$200k-$250k/yr OnsiteFull Time
8+ YOE8+ years’ software development experience; strong Python/Go backend skills; experience with containers and cloud; excellent communication; ability to ship quickly.
Python, Go, FastAPI, Flask, Docker, Kubernetes
4d
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Software Engineer III
Milwaukee or New York City
$108k-$162k/yr HybridFull Time
5+ YOE5+ years in data analytics in finance/insurance; expert SQL; Snowflake, dbt, Python; data warehousing; strong communication.
SQL, Snowflake, dbt, Python, Streamlit, AI/ML
1w
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Applications Developer
New York, New York, United States
$120k-$140k/yr OnsiteFull Time
5+ YOE5+ years building software for financial/trading environments; HTML/CSS/JS; Python; SQL; strong communicator; ownership.
HTML, CSS, JavaScript, Python, SQL, GraphQL, Microsoft Fabric, Power BI
3d
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Applied AI Engineer
New York City or United States
$130k-$175k/yr RemoteFull Time
4+ YOE4+ years software engineering; 2+ years Python API/service development; hands-on LLM/RAG production experience; ability to ship in ambiguity.
Python, LLM, RAG, Twilio, REST API, Databases
1w
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Applied AI Engineer
New York, New York, United States
$105k-$120k/yr HybridFull Time
2+ YOE2+ years software development; experience with AI/LLM tools; RESTful APIs; Python scripting; prompt engineering; able to work with business teams.
OpenAI, Anthropic Claude, RESTful APIs, Python
1mo
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AI Agent Engineer
Stamford, Connecticut, United States
$140k-$180k/yr HybridFull Time
3+ YOE3-5+ years in software development; strong Python; experience with LLM APIs; prompt and context engineering; multi-agent systems; security/governance; production exposure across Python, C#, SQL Server.
Python, LLM APIs, Anthropic, OpenAI, C#, SQL Server
1w
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AI Engineer, Brooklyn Direct Indexing
New York, New York, United States
$140k-$225k/yr HybridFull Time
5+ YOE5+ years software development; 2-4 years AI experience; Python required; 5+ years in banking/investment management preferred.
Python, FastAPI, AWS CDK, ECS Fargate, PostgreSQL, DocumentDB, S3
2mo
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Software Engineering Intern
New York City or Miami
OnsiteInternship
Pursuing a bachelor’s in CS/SE, junior-level CS coursework, knowledge of software engineering, programming in JavaScript/Python/Java, familiarity with AI-assisted dev tools, strong problem-solving, collaborative.
JavaScript, Python, Java, AI-assisted development tools
1mo
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Senior AI Engineer
South San Francisco or Princeton or Thousand Oaks or Bellevue or New York
HybridFull Time
AI Engineer with software development and LLM solution experience; strong Python, LLM patterns/tools, cloud platforms (AWS, Databricks, Azure), and DevOps; design and deliver scalable software; cross-functional collaboration.
Python, Javascript, FastAPI, Django, AWS, Databricks, Azure, Terraform, CloudFormation, React, Next.js, Tailwind CSS, LangChain, DSPy, Docker, Kubernetes, Redis, Unity Catalog, OpenAI API, Anthropic, AWS Bedrock, RAG, Vector DB, PEFT, LoRA
1mo
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Senior Software Engineer, Data Platform
Denver or San Francisco or New York or Los Angeles or Seattle or Toronto
$163k-$247k/yr HybridFull Time
7+ YOE7+ years software engineering; cloud/AWS experience (Redshift, MSK, EMR); OLAP (Clickhouse); data pipelines (Airflow, Python); streaming (Kafka/Kinesis); strong requirements translation; production data stack ownership.
AWS, Redshift, MSK, EMR, Clickhouse, Airflow, Python, Kafka, Kinesis
1mo
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Senior Backend Engineer
New York or San Francisco
$150k-$250k/yr HybridFull Time
3+ YOE3+ years software development; 2+ years AI/ML apps; cloud (AWS, GCP, or Azure) and containers; Python, FastAPI; databases (PostgreSQL, Redis); CI/CD; observability.
Python, FastAPI, PostgreSQL, Redis, Vector DBs, AWS, GCP, Azure, Docker, Kubernetes, Terraform, LLM tooling
1mo
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Principal Software Engineer
Boston or St. Louis or Cleveland or Philadelphia or Chicago or San Francisco or New York City or Kansas City or Atlanta or Minneapolis or Dallas or Richmond
$173k-$260k/yr OnsiteFull Time
8+ YOE8+ years Java development; 4+ years AWS cloud experience; cloud-first architecture; CI/CD, DevOps; serverless; strong communication.
Java, Spring, Terraform, NoSQL, RDS, Kafka, Python
2mo
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Senior Developer, Applied AI
Charlottesville or New York or Washington
$106k-$170k/yr RemoteFull Time
5+ YOE5+ years of professional software development; strong full stack/backend experience; Python and/or TypeScript/Node.js; AI solution experience using OpenAI/Azure/OpenAI or similar; familiarity with search/retrieval technologies; experience with enterprise integrations.
Python, TypeScript/Node.js, OpenAI, Azure OpenAI, Anthropic, vector databases, enterprise search, Microsoft 365, Teams, SharePoint, Atlassian, Salesforce
4d
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GenAI Engineer - Senior Associate - 68644791
Dallas or New York
$65k-$90k/yr OnsiteFull Time
5+ YOE5+ years in software development with Python/Java/C/C++/Go; experience with GenAI, LLMs, tool integration, and cloud services; on-site in Dallas or New York.
Python, Java, C/C++, Go, AWS, Terraform, CloudFormation, SageMaker, OpenAI API
1mo
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Associate, Developer
Greenwich, Connecticut, United States
HybridFull Time
4+ YOEBachelor's in CS/IT or equivalent; 4+ years as an Associate Developer; API experience; Python/SQL/PowerShell scripting; Excel/VBA; AI tools usage; interest in financial markets; strong problem solving and collaboration; Power Automate.
Python, SQL, PowerShell, Excel, VBA, Power Automate, CI/CD, Prometheus, Grafana, OpenTelemetry, Redis, Vault, Docker, Kubernetes
1mo
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Senior Developer Experience Engineer
New York, New York, United States
$168k-$212k/yr HybridFull Time
5+ YOE5+ years software engineering; 3+ years building developer tooling, CI/CD, or infra automation; GitHub Actions; Backstage; Kubernetes; polyglot languages; frontend portal work; strong docs; scale-minded design.
GitHub Actions, CircleCI, Terraform, AWS, Kubernetes, Docker, Go, Python, TypeScript, Ruby, Backstage, Cortex, Port, Datadog, CloudWatch
1mo
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Staff Engineer
New York City, New York, United States
$146k-$272k/yr HybridFull Time
8+ YOE8+ years in software engineering; Java/Scala/Python; cloud platforms; AdTech; API-first; data processing.
Java, Scala, Python, AWS, GCP, Azure, Spark, Kafka, SQL, NoSQL
10h
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Back Office Developer (London)
London or Chicago or New York
OnsiteFull Time
3+ YOEBachelor’s degree in CS/Engineering or related technical field; 3+ years data processing software development; C++ in Linux; SQL and database design; Python on Linux a plus; strong English communication; knowledge of trading domains a plus.
C++, Linux, SQL, Python, Database design
2mo
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Vice President, Platform Engineer | Senior Engineer II
New York, New York, United States
$162k-$215k/yr HybridFull Time
7+ YOESeven plus years of software engineering experience; BS/MS in Computer Science; strong Java, Python and Golang; UI development; Linux; authentication/authorization (OAuth2/OpenID, mTLS, TLS); APIs, gRPC, Protocol Buffers; identity providers (Keycloak/Okta/Azure AD); Kubernetes; open source mindset; testable software.
Java, Python, Golang, Cassandra, Solr, Redis, Kafka, Kubernetes, OAuth 2.0/OpenID Connect, mTLS, TLS/SSL, Protobuf, gRPC, Keycloak, Okta, Azure AD, SAML, JWT
1w
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AI Evaluation Engineer
San Francisco or New York
$150k-$250k/yr HybridFull Time
2+ YOE2+ years software engineering; strong Python; experience with Evaluation-Driven/Experiment-Driven development; translate human judgment into code; systems-oriented; AI-native workflow; travel 25-50%.
Python, Evaluation pipelines, Test automation
1mo
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Senior Software Development Manager, Engage
San Francisco or New York City or Los Angeles or Irvine or Seattle
$185k-$288k/yr HybridFull Time
3+ YOE3+ Mgmt3+ years as software engineering manager; 5+ years software engineering; BA/BS in computer science or equivalent; programming in Go, Python, C/C++, or Java; design of scalable systems; customer-focused product delivery; experience with large-scale consumer services.
Golang, Python, C/C++, Java
3w
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Quantitative Developer
New York, New York, United States
$150k-$180k/yr OnsiteFull Time
3+ YOEBachelor's in quantitative field; 3+ years experience; strong Python; SQL knowledge; excellent quantitative reasoning; software design; ability to handle parallel work streams; detail-oriented; independent yet collaborative; ethical.
Python, SQL
1w
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Full-Stack Commerce Platform Engineer
New York or United States
$119k-$144k/yr HybridFull Time
5+ YOE5+ years in full-stack software development; Python, FastAPI; React with TypeScript; Docker; API design; OAuth/OIDC; PostgreSQL.
Python, FastAPI, React, TypeScript, Docker, Docker Compose, PostgreSQL, OAuth 2.0, OIDC, RBAC, REST API
1mo
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Senior Generative AI Engineer
Ridgefield Park, New Jersey, United States
$11k/mo OnsiteContract
5+ YOE5+ years software engineering or AI experience; 2+ years deploying Generative AI/LLM systems; strong Python; LLM development; cloud and MLOps experience.
Python, LangChain, LlamaIndex, Semantic Kernel, OpenAI, Anthropic, Azure OpenAI, AWS Bedrock, vector databases, Pinecone, Weaviate, Chroma, FAISS, Elasticsearch, Azure AI Search, AWS, GCP, Azure, Docker, Kubernetes, CI/CD, PyTorch, TensorFlow, JAX, MLflow, SageMaker, Vertex AI, Kubeflow, OpenAI API
2mo
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Lead Engineer
New York, New York, United States
$172k-$180k/yr HybridFull Time
10+ YOE10+ years in software engineering with backend/personalization focus; Python, React, microservices; knowledge of recommender systems; leadership and cross-functional influence.
Python, React, Microservices, APIs, Data processing, Machine Learning (ML), LLMs (preferred), Vertex AI/AWS Bedrock (preferred)
6d
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Engineer, Platform
New York, New York, United States
$150k-$180k/yr HybridFull Time
3+ YOE3–5+ years backend software engineering; 2+ years platform/DevOps; Go/Python; cloud, Kubernetes; CI/CD; observability.
Go, Python, Terraform, Helm, Kubernetes, Flux, ArgoCD, CircleCI, GitHub Actions, Datadog, Prometheus, Grafana
2mo
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AI Engineer
New York, New York, United States
$150k-$200k/yr OnsiteFull Time
5+ YOE5–10 years software engineering; hands-on with LLM-based agents/RAG; Python; cloud infra (GCP); strong system design and communication.
Python, GCP, LLM, PydanticAI, LlamaIndex, Claude Agent SDK
1mo
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Staff Engineer
New York, New York, United States
$180k-$200k/yr HybridFull Time
8+ YOE8+ years software engineering; backend systems, APIs, databases; Python and/or React; leadership of complex projects; security and data governance; strong collaboration.
Python, React, APIs, Databases, Data Infrastructure
1mo
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Product Engineer
Switzerland or Germany or United Kingdom or San Francisco or New York or Zurich
HybridFull Time
Strong software engineering fundamentals; experience with TypeScript/JavaScript (React), Go, Python; proven track record shipping features; customer-focused; collaborative.
TypeScript, JavaScript, React, Go, Python
1mo
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Senior Quant Developer
New York, New York, United States
$140k-$160k/yr OnsiteFull Time
5+ YOE5+ years of software engineering; strong Python; Pandas/NumPy; AI/LLM tooling experience; financial services knowledge; production-grade code; Linux, Git; effective communicator; self-directed.
Python, TypeScript, Pandas, NumPy, Kafka, FastAPI, Flask, React, Kubernetes, Airflow, Streamlit, Tableau
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
42% new in 30d
Salary visibility
90% show pay
Companies appearing in this market
BarclaysBlackRockCognizantTwitchDistyl AIValitanaAscertainCommure
Work location mix in visible results
Hybrid: 34Onsite: 26Remote: 7