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313 data science engineer jobs at 201 companies in Fairfield, CT

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Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
Help us #BeatIndeed & #BeatLinkedIn
1mo
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Data Science Engineer
San Francisco or New York City or United States
HybridFull Time
Beast Industries
Beast Industries: Produces digital media and consumer goods for MrBeast brands.
8+ YOE8+ years designing, building, and deploying production ML models; strong software engineering, MLOps, model monitoring/retraining, problem framing, and technical mentorship; AI-native and end-to-end ownership.
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3w
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Data Engineer- Data Science Focus, Ads Science Analysis & Tech (ASAT)
New York or Seattle or Palo Alto
$101k-$185k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
1+ YOE1+ years data engineering experience; strong SQL; experience with data modeling, warehousing and ETL; proficiency in Python or R; foundational statistics and basic ML knowledge; experience using AI/GitHub projects preferred.
SQL, Python, R, GitHub
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1w
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Director, AI & Data Science
New York City or Montréal
$200k/yr OnsiteFull Time
Artefact
Artefact: Global consulting firm specialized in data and AI transformation.
8+ YOE8+ years in data science/ML with 2–3 years on LLMs, expertise in generative AI, context/agent engineering, fine-tuning pipelines, production ML, and pre-sales; Master’s degree preferred.
Google Gemini Enterprise, Vertex AI, Microsoft AI Foundry, AWS Bedrock, scikit-learn, XGBoost, LangGraph, LangChain, Google ADK, Claude Agent SDK, PyTorch, TensorFlow
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2d
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Data Engineer
Paramus, New Jersey, United States
$170k-$175k/yr HybridFull Time
Veolia
VeoliaEuronext Paris: VIE: Provides water, waste, and energy management services globally.
3+ YOEMS in Computer Science or related, 3+ years data engineering experience, Python, SQL, cloud big data (BigQuery/Snowflake), ETL, Airflow/Prefect, Git/GitLab, Docker, strong communication.
Python, Git, GitLab, Docker, SQL, bash, BigQuery, Snowflake, Apache Airflow, Prefect, Apache Beam, CDAP, FastAPI, Flask
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3mo
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AI Engineer, Data Science
Austin or New York City
$80k-$240k/yr HybridFull Time
Future Secure AI
Future Secure AI: Deploys secure, persona-based AI-Workers for large enterprises.
5+ YOE5+ years in data science with ML/NLP/LLMs; Master’s or Doctorate; Python; LangChain/LlamaIndex; experience with AI systems; mentorship skills.
Python, LangChain, LlamaIndex, RAG pipelines, multi-agent frameworks, GPT-based systems, NLP techniques, transformers
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1mo
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Manager, Data Science - Consumer Identity Machine Learning
San Jose or McLean or New York
$197k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
Strong data science and ML skills; experience with large-scale data, Python, Spark; collaboration with product/engineering; open-source and cloud experience; multiple degree options with required years of analytics experience.
Python, Spark, SQL, AWS
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1w
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Data Engineer
New York City or San Francisco or Los Angeles or Irvine or McLean or Washington
$94k-$175k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
Several years data engineering experience, bachelor\u0002s in computer science/engineering, proficiency with Python and SQL, RESTful services, relational and document DBs, Linux/Windows, AWS; US Secret clearance required to start (TS preferred).
Python, SQL, RESTful web services, AWS Glue, Snowflake, NIFI, Power BI, Tableau, Linux, Windows, AWS
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1mo
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Sr. Data Science & AI Engineer
New York, New York, United States
$101k-$147k/yr OnsiteFull Time
NYU Langone Health
NYU Langone Health: Academic medical system providing comprehensive patient care and education.
5+ YOE5+ years building and operating production AI/ML systems in regulated settings; expertise in MLOps, NLP/LLM, healthcare data (OMOP, EHR), cloud (Azure/AWS), Databricks/Spark, containerization, Python, and SQL.
GitHub Copilot, OpenAI Codex, Claude Code, OMOP Common Data Model (OMOP-CDM), HL7 FHIR, SNOMED CT, LOINC, RxNorm, Epic, Microsoft Azure, AWS, Databricks, Apache Spark, Docker, Kubernetes, MLflow, Kubeflow, Microsoft Azure Machine Learning, AWS SageMaker, GitHub Actions, Microsoft Azure DevOps, GitLab CI/CD, Jenkins, Apache Airflow, Prefect, Dagster, Argo Workflows, Helm, scikit-learn, XGBoost, LightGBM, PyTorch, TensorFlow, JAX, Hugging Face Transformers, spaCy, LangChain, LangGraph, LlamaIndex, Semantic Kernel, AutoGen, Neo4j, RDF/SPARQL
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1mo
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Analytics Engineer, Data Science
Chicago or Austin or Baltimore or Denver or Boulder or Hartford or New Haven or Philadelphia or Providence or Miami
$118k-$173k/yr HybridFull Time
DoorDash
DoorDashNASDAQ: DASH: On-demand delivery platform connecting consumers with local merchants.
2+ YOE2-6+ years in BI/analytics/data engineering; SQL; Python/Scala; Looker/Tableau/Sigma; database fundamentals; data quality checks; strong communication; fast-paced; self-starter.
SQL, Python, Scala, Looker, Tableau, Sigma, S3, Hive, Spark, Pydeequ, Great Expectations
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1mo
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Senior Data Engineer
Rye, New York, United States
$127k-$137k/yr OnsiteFull Time
New York Blood Center
New York Blood Center: Non-profit organization collecting and distributing blood and stem cells.
6+ YOE6+ years data engineering experience; bachelor’s in CS/Data Science/IT or related; expert SQL and Python (PySpark); deep Azure data platform experience (ADF, Databricks, Synapse, ADLS); data modeling, pipeline ownership, governance, and HIPAA compliance.
SQL, Python, PySpark, Azure Data Factory, Azure Databricks, Azure Synapse Analytics, Azure Data Lake Storage, Microsoft Purview, Microsoft SQL Server, Oracle, CI/CD
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1mo
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Staff Data Engineer, Search, Data Science
Mountain View or New York
$207k-$300k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
8+ YOE8+ years in software development, data pipelines, C++, Java, Python, or Go; BS in Computer Science or related field; experience with large-scale data systems.
C++, Java, Python, Go
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3w
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Data Engineer
New York City, New York, United States
$120k-$140k/yr OnsiteFull Time
City of New York
City of New York: Provides municipal services and administration for New York City.
4+ YOEStrong SQL and Python skills, data modeling, ETL/ELT development, Databricks/ETL tool experience, enterprise reporting (OBIEE/Power BI/Tableau), and a baccalaureate degree in computer science, engineering, or related field with at least 4 years of relevant experience.
SQL, Python, pySpark, Databricks, Informatica PowerCenter, Pentaho Data Integration (Kettle), Oracle Business Intelligence Enterprise Edition (OBIEE), Microsoft Power BI, Tableau, C++, Java, C#, TypeScript, React, Microsoft .NET, Microsoft ASP.NET
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20h
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Snowflake Data Engineer
Teaneck, New Jersey, United States
OnsiteFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
5+ YOE5+ years data engineering experience; strong Python, SQL, Spark; experience with Snowflake, DBT and AWS/Azure; exposure to real-time streaming (Kafka/Kinesis); collaborate with data science and analytics teams.
Python, SQL, Spark, AWS, Azure, Snowflake, DBT, Kafka, Kinesis
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2mo
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Director, Data Science & AI Engineering
Nashville or Washington D.C. or Los Angeles or San Francisco or New York City
$290k-$440k/yr OnsiteFull Time
Pillsbury Winthrop Shaw Pittman
Pillsbury Winthrop Shaw Pittman: International law firm providing comprehensive legal and strategic advisory.
10+ YOE10+ years data science/AI leadership; production AI/ML, LLMs, RAG, MLOps; strong architecture and governance; strategic and hands-on.
LLMs, RAG, vector databases, embeddings, hybrid search, Model Context Protocol (MCP), prompt engineering, MLOps, LLMOps, CI/CD, cloud infrastructure, data warehouses, BI dashboards
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1mo
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Data Engineer
New York, New York, United States
$119k-$150k/yr HybridFull Time
Child Mind Institute
Child Mind Institute: Mental health care and research for children and families
5+ YOEMaster's in a relevant field; 5+ years in data analysis/data science; 5+ years programming in Python/R/MATLAB and toolkits (SciPy, scikit-learn, Polars, PyTorch); 5+ years Linux, GitHub, Docker; 5+ years ETL and SQL/NoSQL; familiarity with AWS, Azure, Terraform.
Python, R, MATLAB, SciPy, scikit-learn, Polars, PyTorch, Linux, GitHub, Docker, Kubernetes, SQL, NoSQL, ETL, AWS, Azure, Terraform
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4w
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VP, Head of Data Science
London or New York or Washington or San Francisco or Dublin or Brussels or Singapore or Hong Kong
OnsiteFull Time
Penta Group
Penta Group: Consultancy providing data-driven stakeholder solutions and reputation strategy.
10+ YOEHands-on technical leader with ~10+ years experience in applied AI and data science, strong Python, SQL/PostgreSQL, AWS, Git, production LLM/ML workflows, NLP, MLOps/DevOps, and people management to ship reliable AI systems.
Python, LLMs, OpenWebUI, LiteLLM, Claude, Claude Code, SQL, PostgreSQL, AWS, EC2, ECS, S3, Git, DevOps, MLOps
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1mo
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Senior Data Engineer - Infra
London or Tel Aviv or Singapore or New York City
HybridFull Time
Solidus Labs
Solidus Labs: Provides market integrity and risk monitoring software for crypto.
8+ YOEBSc in Computer Science; 8+ years in data engineering; 5+ years software engineering with Java, Rust, or Python; deep ClickHouse expertise; experience with Kafka, Spark, Airflow, Kubernetes, Redis, Snowflake, Prometheus/Grafana, and advanced SQL.
ClickHouse, ReplacingMergeTree, CollapsingMergeTree, Apache Kafka, Spark, Airflow, Kubernetes, Redis, Snowflake, Prometheus, Grafana, Java, Rust, Python, SQL
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1w
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Data Production Engineer
London or New York City or Singapore
OnsiteFull Time
Hudson River Trading
Hudson River Trading: A quantitative firm using technology to trade global financial markets.
2+ YOE2+ years data engineering/science experience or degree, strong Python, SQL experience (PostgreSQL/MSSQL/MySQL), Linux command line, ETL and financial dataset familiarity; production support and debugging skills.
Python, Linux, PostgreSQL, MSSQL, MySQL, Refinitiv, S&P, Bloomberg
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1mo
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Data Analysis Engineer Sr
Golden or Duette or Allendale or Oxnard or Phoenix or Germany
$101k-$211k/yr HybridFull Time
Volkswagen Group
Volkswagen GroupFrankfurt Stock Exchange: VOW3: Global manufacturer of motor vehicles and automotive financial service provider.
7+ YOE7+ years in engineering, development or testing; Bachelor’s degree in engineering, computer science, statistics or related; experience with vehicle data collection, data logger configuration, vehicle communication protocols, reporting, and vendor communication.
Microsoft Word, Microsoft Excel, Microsoft Access, EFK, CAN, MOST, LIN, Ethernet, Flexray, OBD
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1w
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Data Engineer II
Seattle or New York City or Santa Monica
$107k-$150k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
3+ YOEBachelor's in Computer Science or related, 3+ years building large-scale data pipelines and datasets, strong Python/Java skills, Databricks and public cloud experience, EMR/CI-CD familiarity, strong communication.
Python, Java, Databricks, Apache Spark, Kafka, Kinesis, SQS, DynamoDB, Cassandra, ScyllaDB, AWS, Microsoft Azure, Google Cloud, CI/CD
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