51 data scientist jobs at 37 companies in Hamden, CT

PromotedHiringCafe
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
3mo
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Actuary/Data Scientist
Greenwich, Connecticut, United States
OnsiteFull Time
W. R. Berkley
W. R. BerkleyNYSE: WRB: Provides commercial property, casualty, and specialty insurance and reinsurance.
4+ YOEActuary (FCAS) or Data Scientist with strong analytics and coding; 4-7 years actuarial/technical experience; Python, SQL, AI/ML; data pipelines.
Python, SQL, Snowflake, Databricks, LLMs, Cloud
3w
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Data Scientist
Hartford or Windsor
$109k-$136k/yr OnsiteFull Time
Voya Financial
Voya FinancialNYSE: VOYA: Provides retirement, investment, and insurance products and services.
2+ YOEAdvanced degree or equivalent experience, 2+ years building data science solutions, strong ML skills, proficiency with Databricks, SQL, Python, PySpark, data visualization, and cloud-based data platforms.
Databricks, SQL, Python, PySpark, Azure ML, Snowflake, TensorFlow, PyTorch, Keras
4d
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Data Scientist
Fresno or Washington or Jacksonville or Chamblee or Chamblee or Fairview Heights or Covington or Lanham or Detroit or Kansas City or Saint Louis or Charlotte or Holtsville or Philadelphia or Guaynabo or San Juan or Memphis or Austin or Austin or Farmers Branch or Ogden or Kearneysville
$106k-$173k/yr OnsiteFull Time
IRS Office of Chief Counsel
IRS Office of Chief Counsel: Represents the IRS in tax litigation and legal matters.
1+ YOEBachelor's in mathematics/statistics/computer science/data science or equivalent; 1 year specialized experience applying statistical methods, ML model development/deployment, working with large datasets and Spark/Databricks, data governance, and dashboarding.
Python, R, Tableau, SQL, Databricks, Graph Databases, Spark
1w
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Data Scientist
Hartford, Connecticut, United States
HybridFull Time
EXL
EXLNASDAQ: EXLS: Provides data analytics and digital operations solutions to businesses.
3+ YOE3+ years in data science/NLP, production LLM experience in cloud, prompt engineering and fine-tuning, NLP techniques, evaluation frameworks, error analysis, and proficiency in Python and SQL.
Python, SQL, Google Cloud Platform (GCP), LangChain, RAG, Shell Scripting
4d
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Data Scientist
Windsor or Holyoke
$86k-$146k/yr HybridFull Time
ISO New England
ISO New England: Operates the New England power grid and wholesale markets.
3+ YOEBachelor's degree in quantitative field,3+ years energy forecasting or analytics experience,proficiency in Python/R/MATLAB/SAS,software development experience,big-data and geospatial analytics experience.
Python, R, MATLAB, SAS
2w
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Data Scientist
Northbrook or Austin or Melville or Princeton or Vancouver
$80k-$120k/yr RemoteFull Time
UL Solutions
UL SolutionsNYSE: ULS: Provides safety science testing, inspection, and certification services globally.
3+ YOEMaster's degree, 3–5 years data science/analytics experience, proficiency in SQL, Python, R; experience with Power BI/Tableau, Azure DevOps, EMR; strong analytical, statistical, and stakeholder communication skills.
SQL, Python, R, Power BI, Tableau, DAX, Azure DevOps, Excel, scikit-learn, TensorFlow, Keras, Salesforce
3w
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Lead Data Scientist
Morton or Chicago or Manchester or Prescott or Stuart or Malden or Plainville or Newburyport or Whitesboro or Thomasville or Cleveland or United States
$144k-$198k/yr RemoteFull Time
Pursuit Aerospace
Pursuit Aerospace: Manufactures complex engine components for the global aerospace industry.
2+ YOEBachelor's degree, 2+ years data science experience, 2+ years with SQL, Python, ML modeling and time-series analytics, eligible to work in US without sponsorship, able to comply with ITAR/EAR regs.
SQL, Python, Snowflake, Claude, GitHub, Microsoft Azure
2w
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Lead Data Scientist, AdTech
Arlington or Baltimore or Buffalo or Jersey City or Manchester or New York or Philadelphia or Stamford
$175k-$200k/yr RemoteFull Time
Launch Potato
Launch Potato: Digital media operating a portfolio of consumer brands.
5+ YOE5+ years applied data science experience; proven digital/performance marketing or leadgen experience; strong modeling fundamentals; multi-year ML deployment in AWS; expertise in Python and SQL; adtech and paid-media modeling experience.
AWS, Python, SQL, Looker, Google, Meta, LLMs
2w
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Sr Data Scientist
Stamford or Irving
$113k-$147k/yr HybridFull Time
Gartner
GartnerNYSE: IT: Provides research and advisory services for business leaders.
6+ YOE6+ years in ML engineering and product development, 2+ years deploying LLMs, experience designing agents, proficiency in Python and deep learning frameworks, strong communication and leadership skills.
Python, PyTorch, TensorFlow, Hugging Face, LangChain, LangGraph, LlamaIndex, SQL, Oracle, MongoDB, Pinecone, Weaviate, Spark, AWS, Azure ML, Model Context Protocol (MCP)
5d
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Data Scientist, Principal
Oakland or Washington or Ohio or District of Columbia or California or Long Beach or Arizona or Colorado or Connecticut or Florida or Georgia or Maryland or Minnesota or Nevada or Oregon or El Dorado Hills or San Diego or Woodland Hills or Alabama or Illinois or Virginia or Wisconsin or Texas or New York
$182k-$273k/yr HybridFull Time
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
8+ YOEAdvanced experience in applied AI/ML and software development, strong Python engineering, hands-on with deep learning and LLM frameworks, experience building production AI applications and leading ML design.
Python, PyTorch, TensorFlow, LangChain, LangGraph, SQL, Spark, Azure, Google Cloud, AWS
2d
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Advisory Data Scientist - IBM Quantum
Research Triangle Park or Yorktown Heights
$144k-$248k/yr HybridFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
3+ YOE3+ years in data science/analytics, strong SQL and Python skills, experience building analytical models, pipelines, BI dashboards, and defining operational metrics.
SQL, PostgreSQL, Presto/Trino, Python, pandas, NumPy, SciPy, Airflow, Superset, Cognos Analytics, Tableau, Git, IBM watsonx.data, Kafka
2w
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Senior Data Scientist (Hybrid Schedule)
Berlin or Westwood or Manchester
$124k-$138k/yr HybridFull Time
Eversource Energy
Eversource EnergyNYSE: ES: Delivers electricity, natural gas, and water to New England customers.
5+ YOE5+ years related experience, BS in engineering/data science or related field (advanced degree preferred), experience with machine learning, cloud architecture and CI-CD, proficiency in R, Python and shell, knowledge of power systems and grid analytics.
R, Python, shell, CI-CD, SCADA, IED
1mo
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Data Scientist, Agentic AI
New York or Bethlehem or Holmdel or Stamford or Boston
$95k-$156k/yr HybridFull Time
Guardian Life
Guardian Life: Provides life, disability, dental, and vision insurance products.
2+ YOEAdvanced degree in a quantitative field with AI/ML experience; 2+ years hands-on AI/ML modeling; strong Python and PyTorch/TensorFlow skills; experience with LLMs, LangGraph, multi-step reasoning systems; excellent communication.
Python, PyTorch, TensorFlow, LangGraph, LLMs
1mo
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Data Scientist, Asc Manager - Fleet Analytics
Trumbull, Connecticut, United States
$128k-$256k/yr HybridFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
5+ YOE3+ MgmtU.S. citizen able to work onsite in Trumbull, CT ≥3 days/week. Bachelor's in related field and 5+ years analytics/engineering experience; 3+ years technical leadership; experience with Python, SQL, GitLab, Tableau, Microsoft Excel; ML familiarity; project management skills.
Python, SQL, Microsoft Excel, GitLab, Tableau
1mo
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Senior Data Scientist/AI Analyst
Chicago or Norwalk or West Hartford or Washington or Boston or New York City or Atlanta or Hamilton or United States
$135k-$170k/yr RemoteFull Time
Vantage
Vantage: Provides specialty insurance and reinsurance for global commercial risks.
5+ YOEBachelor's in a relevant field required; 5+ years in data science or applied AI. Hands-on experience with LLMs, statistics, classical ML, Python/R, SQL, and building/operationalizing AI/ML solutions; experience with Streamlit/R Shiny/PowerBI or similar.
Python, R, SQL, git, Streamlit, R Shiny, PowerBI
4d
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AI Engineer / Data Scientist, AI Experienced Associate
Chicago or Stamford or Los Angeles or Washington or Boston or Detroit or New York or Florham Park or Dallas or San Francisco or San Jose
$63k-$142k/yr OnsiteFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
1+ YOEBachelor's degree,1+ year experience in AI/ML development or testing,experience with data wrangling,model development and deployment;cloud/data platform credentials preferred.
AWS, Google Cloud, Microsoft Azure, Databricks, Snowflake
1mo
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Scientist
Trumbull or Trumbull
$75k-$85k/yr OnsiteFull Time
Henkel
HenkelXETRA: HEN3: Manufactures laundry, beauty, and adhesive products globally.
1+ YOEBachelor’s degree in Chemistry or related Science/Engineering; 1-3 years lab experience; strong data analysis; clear communication; organized; safety and data integrity
1mo
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Senior Applied AI & Data Scientist (New Haven, CT, US, 06510)
New Haven, Connecticut, United States
$122k-$208k/yr RemoteFull Time
Knights of Columbus
Knights of Columbus: Catholic fraternal society providing insurance and financial services
6+ YOE6+ years delivering advanced analytics and machine learning; 2+ years GenAI/LLM in enterprise; strong Python/SQL; Snowflake; vector search; production APIs/CI/CD.
Python, SQL, scikit-learn, XGBoost, PyTorch, TensorFlow, Snowflake, Snowpark, Cortex, PostgreSQL, vector search, RAG, API development, CI/CD
2mo
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Principal Scientist - Quantitative Translational Scientist
Armonk or Warren or Tarrytown or Cambridge
$129k-$210k/yr OnsiteFull Time
Regeneron
RegeneronNasdaq: REGN: Discovers and manufactures medicines for serious diseases.
2+ YOEPhD with 2+ years or Masters with 5+ years in quantitative field; expertise in statistics, computational biology, data analytics, or related areas.
AWS, GCP, Azure, Linux, shell scripting, notebook-based workflows, statistical modeling, machine learning
1w
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Data Science Sr. Principal Engineer – Commercial DPHM P5 (Onsite)
East Hartford, Connecticut, United States
$132k-$252k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
10+ YOESTEM bachelor's degree with 10 years engineering experience (or advanced degree with 7 years). U.S. Person required. Expertise in statistics, ML/AI, time series, Python, MLOps, and technical leadership.
Python