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Python Data Engineer Jobs in Cos Cob, CT, US
1,200+ python data engineer jobs from 550+ companies hiring in Cos Cob, CT, US.
1mo
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Sr Staff Automation & Controls Engineer
Secaucus, New Jersey, United States
$116k-$155k/yr OnsiteFull Time
8+ YOE8+ years in high-volume manufacturing; bachelor's in engineering/computer science/data science; strong analytics; CAD/automation; PLC/robotics; MES experience; excellent communication.
SolidWorks, AutoCAD, Siemens, Allen-Bradley, Python, SQL, R, Minitab, JMP
1mo
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BAE Systems - Senior Reliability Engineer - C4ISR Systems
Greenlawn, New York, United States
$145k-$247k/yr OnsiteFull Time
8+ YOEBachelor's in Engineering with 8+ years in reliability; root cause analysis, FMEA, reliability prediction; strong data modeling; security clearance ability; good communication; MS Office; team leadership.
FRACAS, SAP, Teamcenter, Windchill, Minitab, JMP, R, Python, MATLAB, statistical analysis software
1mo
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Software Engineer, Backend
New York City or San Francisco or Seattle
$136k-$175k/yr HybridFull Time
3+ YOE3+ years of professional backend software engineering; strong Python backend with API design; scalable, reliable systems; collaboration with Product, Design, and Data.
Python, Cursor, GitHub Copilot
2w
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Advanced Processing Coating Process Engineer
Wilton, Connecticut, United States
OnsiteFull Time
3+ YOEMasters 1+ years or Bachelors 3+ years in Materials Science, Physics, Optical/Mechanical/Chemical Engineering; experience in optical thin-film coating and PVD systems; data analysis skills.
PVD, e-beam, sputtering, IAD, Python, MATLAB, SPC, JMP, Minitab
1mo
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Software Engineer II, Battery
United States or Brooklyn
$105k-$125k/yr RemoteFull Time
3+ YOE3+ years software engineering; backend focus; Java (11+); Python; REST/Spring; data pipelines; security-focused.
Java, Python, Spring, REST, SQL, AWS, MongoDB, S3, DBT, Snowflake
1w
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Dev/Ops Engineer
Stratford, Connecticut, United States
OnsiteFull Time
3+ YOEFull-time DevOps engineer with Linux/Windows, Kubernetes, IaC (Python, Ansible, Helm), monitoring (Prometheus); data science platforms; healthcare IT experience.
Kubernetes, Linux, Windows, Python, Ansible, Helm, GitLab, Prometheus, Nutanix, Kerberos, Active Directory
3w
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Senior Software Engineer
New York, New York, United States
$180k-$200k/yr HybridFull Time
8+ YOE8+ years software engineering with 2+ years leadership; strong Python/Java; SQL/data warehousing; API experience; containerization; cloud (AWS).
Python, Java, React, Vue, AWS, Airflow, DBT, Snowflake, Databricks, BigQuery, Docker, Kubernetes, Salesforce, REST, GraphQL
5d
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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
3w
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LMTS Machine Learning Engineer
New York City, New York, United States
$173k-$260k/yr HybridFull Time
Design and productionize ML models; build data pipelines; deploy ML services; collaboration with cross-functional teams.
Python, SQL, scikit-learn, XGBoost, PyTorch, TensorFlow, Spark, Trino, Snowflake, MLflow, Airflow, Kubeflow, Docker, Kubernetes, CI/CD
4w
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Senior Software Engineer, Marketplace
Seattle or New York or San Francisco
$136k-$170k/yr HybridFull Time
5+ YOE5+ years software engineering experience; Python or Go; AI/data analytics; API design; backend microservices; strong communication.
Python, Go, APIs, Microservices
1mo
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Forward Deployed Engineer
New York City or San Francisco
$180k-$300k/yr OnsiteFull Time
5+ YOE5+ years software development; full-stack across APIs, data pipelines, frontend, or infrastructure; AWS; Python, TypeScript, Go; data integrations and enterprise data systems; customer-facing engineering experience; finance/domain knowledge a plus.
AWS, Python, TypeScript, Go, Snowflake, SharePoint, S3
1d
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Senior Software Engineer
New York, New York, United States
$190k/yr RemoteFull Time, Temporary
5+ YOE5+ years software engineering; proficient in Java, Ruby, Python/J2EE; ETL, BI, campaign tools; REST/SOAP APIs; MySQL; Kafka, Elasticsearch; NoSQL; data/ETL pipelines; BS in Electrical and Computer Engineering or Computer Science.
Java, Ruby, Python, J2EE, ETL, Business Intelligence, Campaign Management, SOAP, REST, MySQL, Kafka, Elasticsearch, NoSQL, Aerospike, Thrift, CI, AWS
1mo
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AI/ML Engineer - Vaccine Research
Pearl River, New York, United States
$106k-$177k/yr HybridFull Time
2+ YOEPhD in CS/ML/Computational Biology or related field; or Master’s with 2+ years AI/ML in vaccines/life sciences; strong Python; PyTorch/TensorFlow; experience in cloud/HPC; excellent scientific communication.
Python, PyTorch, TensorFlow, Cloud, HPC
1mo
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Software Engineer - Prediction Markets
New York City, New York, United States
$150k-$225k/yr OnsiteFull Time
2+ YOE2+ years Python experience; production systems; real-time data processing; multi-venue trading; on-chain data familiarity; Linux; BS/advanced degree in CS/Math/Stats/Physics/Engineering or equivalent.
Python, Linux, Real-time data processing, Trading systems
1mo
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Senior Machine Learning Engineer
Wellesley or New York
$111k-$222k/yr HybridFull Time
5+ YOE5+ years in production ML systems, 5+ years Python, 2+ years SQL, 2+ years leading design/architecture; ML frameworks and MLOps experience; mentoring; strong cross-functional collaboration.
Python, PyTorch, TensorFlow, Kubeflow, Vertex, SQL, Snowflake, BigQuery, Node.js, React, Spark, Kafka, Airflow
2mo
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Environmental Professional Engineer
Brooklyn, New York, United States
$120k-$140k/yr HybridFull Time
5+ YOELicensed Environmental PE with 5+ years in environmental permitting, land-use entitlements, or regulatory due diligence; strong knowledge of NEPA/CEQA/ESA and permitting processes; excellent communication; GIS and data automation familiarity.
GIS, Python, R
1mo
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Machine Learning Engineer
San Francisco or New York
$175k-$260k/yr HybridFull Time
4+ YOE4+ years applied ML experience; ownership of ML models end-to-end; strong Python/ML infra; cross-functional collaboration; production-grade code.
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
2mo
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Staff Backend Software Engineer
New York City, New York, United States
$220k-$250k/yr OnsiteFull Time
7+ YOE7+ years backend development (TypeScript/Python); scalable apps; high-volume workflow automation; data processing; ML model integration; strong problem-solving and collaboration.
TypeScript, Python, Machine Learning, Data Processing, Event-Driven Architecture
1mo
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Staff Machine Learning Engineer
London or New York City
£180k-£204k/yr HybridFull Time
Strong ML and statistical foundations; production ML experience; optimization/bidding systems in programmatic advertising; fluent with bid requests, signals, and data pipelines; effective communicator.
Scala, Python, ML libraries, Data pipelines
1w
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Software Engineer - Machine Learning
New York, New York, United States
$126k-$210k/yr HybridFull Time
2+ YOE2+ years in software or ML engineering; strong fundamentals in system design, data pipelines, APIs; proficient in Python or similar; interest in Generative AI; CS/SE degree or equivalent.
Python, Elasticsearch, Quickwit, Vespa, Terraform, Kubernetes, CI/CD
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
2w
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Senior Engineering Manager, Reporting Data Curation
New York or San Ramon
$215k-$268k/yr HybridFull Time
10+ YOE5+ Mgmt10+ years in software or data engineering; 5+ years in engineering management; strong data modeling and warehousing; experience with distributed query engines; leadership and communication skills.
Java, Kotlin, Python, SQL, Snowflake, Databricks, dbt, Trino, Presto, Spark SQL
1w
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Implementation Engineer
New York City or Oakland or Remote
$97k/yr HybridFull Time
2+ YOE2+ years building or maintaining data pipelines; strong SQL and Python; cross-functional collaboration; bachelor's in technical field.
SQL, Python, Google Cloud Platform, Relational databases, REST APIs, React, TypeScript
3w
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Staff Software Engineer
Oakland or Atlanta or New York
$107k-$200k/yr OnsiteFull Time
8+ YOE8+ years of software engineering; strong Python backend; distributed systems and data pipelines; AWS and Kubernetes; observability; cross-team leadership; degree or equivalent; right to work in the U.S.
Python, Django, FastAPI, Celery, Kafka, Airflow, AWS, Kubernetes, Datadog, Sentry, Grafana, CI/CD
2w
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Principal Knowledge Graph Engineer
Irving or San Francisco or Charlotte or Iselin
$159k-$305k/yr OnsiteFull Time
7+ YOE7+ years in engineering; 3+ years knowledge graph/ontology; 2+ years LLM/AI for extraction; proficiency in graph databases and semantic technologies.
Graph databases, Ontology design, RDF, OWL, SPARQL, Python, NLP, LLMs, Cloud computing, Agentic AI frameworks, Process mining
2mo
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Senior Software Engineer - onsite Dallas or NYC
New York City or Dallas
$150k-$225k/yr OnsiteFull Time
5+ YOE5+ years data/software engineering; cloud data infra; Snowflake/AWS/dbt; Python/SQL/Node; CI/CD; strong collaboration.
AWS, Snowflake, Airflow, dbt-core, Python, SQL, Node, Gitlab Pipelines, Git, Terraform, Datadog
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
1d
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Software Development Engineer, AI for Drug Discovery
New York City, New York, United States
$110k-$205k/yr OnsiteFull Time
3+ YOE3+ years software engineering, Python, PostgreSQL, AWS, cloud-native systems, and data pipelines; BS in CS/Software Engineering; relocation not available.
Python, PostgreSQL, AWS
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
3w
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Senior Quant Developer
New York, New York, United States
$140k-$160k/yr OnsiteFull Time
5+ YOESenior software engineer with 5+ years in Python, data pipelines, and financial domain knowledge; strong delivery track record and AI tooling experience.
Python, Pandas, NumPy, FastAPI, Flask, React, TypeScript, Kubernetes, Airflow, Kafka, Streamlit, Tableau, Claude Code, LLM
10h
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Forward Deployed Engineer
New York, New York, United States
OnsiteFull Time
1+ YOE1-4 years in software/ML/data engineering; strong Python and SQL; experience designing and shipping reliable systems; experience with ML/LLM workflows; customer-facing; strong communication.
Python, SQL, APIs, Backend, Data Pipelines
1mo
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Staff Software Engineer - Identity and Privacy
New York, New York, United States
$212k-$292k/yr HybridFull Time
8+ YOE8+ years software engineering; distributed systems; privacy/security; Python; Kafka; authentication; data governance; cross-functional collaboration.
Python, Kafka, OAuth, MFA, data pipelines
1mo
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Vice President - Technology (Data & AI Infrastructure Engineer)
New York, New York, United States
$175k-$215k/yr OnsiteFull Time
8+ YOE8+ years in infrastructure or data engineering; Azure AI Foundry, data pipelines, DevOps, secure infrastructure; Python and automation; IaC with Terraform/Bicep; experience with LLM APIs and vector search; investment banking or regulated financial services experience preferred.
Azure, Azure Data Factory, Azure Databricks, AKS, Azure OpenAI, Anthropic Claude, Terraform, Bicep, Docker, Kubernetes, Azure API Management, Key Vault, Entra ID, Python, FastAPI, Flask, PowerShell, LangChain, Semantic Kernel, pgvector, SAST, DevSecOps, Cosmos DB, Azure Data Lake, Azure SQL, Databricks Unity Catalog, Azure AI Search, S3, Bedrock
1mo
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Principal AI Engineer, Ads AI
New York, New York, United States
$207k-$340k/yr HybridFull Time
LinkedInNASDAQ: MSFT: Professional social network for career development and job recruitment.
7+ YOE5+ MgmtLeadership in AI/ML with 7+ years of industry experience; strong collaboration with product, data science, and research teams; experience shipping AI-powered ad tech.\n
Python, Machine Learning, Distributed Systems, AI Engineering
3w
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Quality Systems & Regulatory Engineer
Brooklyn, New York, United States
$125k-$145k/yr OnsiteFull Time
3+ YOE3+ years in Quality Engineering or Quality Systems; NPD or supplier experience; regulatory exposure (FDA/ISO); data tools (Excel/SQL/Python/Looker); travel; Mechanical/Biomedical engineering degree.
Excel, Looker, SQL, Python, Solidworks
2mo
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Staff Software Engineer
New York City or San Francisco
OnsiteFull Time
4+ YOE4+ years of software engineering experience; strong Python, Node.js, or Go; cloud experience (AWS/GCP/Azure); knowledge of AI/ML-driven systems or real-time data is a plus; startup mindset.
Python, Node.js, Go, AWS, GCP, Azure, AI/ML
2mo
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Full-Stack GTM Engineer
New York, New York, United States
HybridFull Time
2+ YOE2-4+ years software engineering; strong Python, JavaScript/Node.js, SQL; API integration; top tech company experience; data engineering fundamentals; systems thinking; experimentation mindset; degree from top engineering institution.
Python, JavaScript, SQL, REST APIs, OAuth, Webhooks
2w
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Software Engineer
Melville, New York, United States
$115k-$150k/yr OnsiteFull Time
3+ YOESoftware development with backend, data warehousing, SQL, BI, and AI capabilities; experience with BST Global or similar ERP; Python, C, Ruby, and web development.
Visual Studio, C, Python, Ruby, SQL, Power BI, BST Global, APIs, Git
1d
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Solutions Engineer
Needham or New York City
$130k-$145k/yr HybridFull Time
5+ YOE5+ years in the advertising technology field, analytics or data operations; knowledge of analytics and AI; SQL and Python preferred; strong communication; cross-functional collaboration.
SQL, Python, AI tooling
HiringCafe market data
Python Data Engineer Jobs market signals in Cos Cob, 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
1,200+
Hiring companies
550+
Fresh sample
50% new in 30d
Salary visibility
89% show pay
Companies appearing in this market
DRWGrow TherapyBAE SystemsCVS HealthEnergyHubHebbiaLyftPaces
Work location mix in visible results
Hybrid: 26Onsite: 25Remote: 5