Data Scientist Jobs in Connecticut, United States

Data Science team at Recruiting From Scratch builds next‑generation forecasting models that power revenue planning across multiple product lines. The role designs, trains, deploys and monitors machine‑learning solutions for short‑ and long‑term sales forecasts, creates self‑service tools for real‑time decision making, and translates model insights into strategic recommendations.

Chubb is seeking a Data Scientist - Cohort Modeling to build predictive models and analytic solutions, including cohort models, to support underwriting and marketing functions within ChubbAssist. Day-to-day work includes identifying and acquiring data from internal and external sources, performing cohort segmentation and tracking, analyzing data to drive profitability and growth, and collaborating with IT to implement models into production.

AQR Capital Management is a global investment firm applying financial theory and quantitative tools to deliver long-term results for institutional and advisor clients. As a Data Scientist, Machine Learning, you will bridge data engineering and quantitative research by building robust data preparation and quality workflows that deliver clean, traceable, project-specific datasets and features to researchers.

AI + Data Services and Platforms (AIPS) at Highmark Health drives generative and predictive AI solutions for enterprise stakeholders. The Senior Data Scientist designs end‑to‑end AI/ML pipelines, evaluates models with Responsible AI principles, and translates insights into business impact across cross‑functional teams.

BTI Data Science team at Gartner builds AI applications that empower Expert Analysts. The Senior Data Scientist leads complex AI and data science projects, architects agentic systems, and implements advanced AI tools for content planning and insights creation.

The Lead Data Scientist at Humana transforms high volumes of complex data into advanced analytic solutions using mathematics, statistics, modeling, business analysis, and technology. Day-to-day work includes developing and maintaining structured and unstructured data sets, creating reports, projections, models, and presentations to support business strategy, and advising executives on functional strategies.

W.R. Berkley seeks an Actuary or Data Scientist with strong analytical and coding skills to support data pipelines and advanced modeling. The role focuses on writing production‑quality code for data wrangling, modeling, and AI‑assisted workflows, performing deep exploratory analysis, and applying machine learning tools—including large language models—to solve insurance problems.

Eversource seeks a Senior Data Scientist to architect solutions for grid performance and storm restoration across its utility operations. The role involves developing machine learning models, collaborating with IT teams, and translating data insights into business recommendations.

CVS Health is seeking a Senior Data Scientist to advance Contact Intelligence (CI) as an enterprise capability within the Health100 AI initiative. You will partner with Product, Customer Experience, Service Operations, Digital, and Analytics stakeholders to identify high-value use cases, quantify business impact, and operationalize CI insights across the enterprise.

Launch Potato AdTech team builds data-driven advertising solutions that connect consumers with leading brands. The Lead Data Scientist owns the end‑to‑end data science engine for verticals like Insurance, framing business problems, building and validating models, and collaborating with ML engineers for deployment and monitoring.

The AI & Machine Learning team accelerates business outcomes by applying AI and generative AI to build intelligent products. As a Principal Data Scientist, you will lead the development and deployment of novel applications, translating cutting-edge research into real-world products from 0 to 1.

Marketing Data Science team at Launch Potato builds data-driven advertising solutions to connect brands with consumers. The Staff Data Scientist owns the end‑to‑end data science engine for priority verticals, framing business problems, building and deploying ML models, and monitoring live ROAS performance.

Compliance Analytics team at M&T Bank builds advanced modeling systems to assess and mitigate compliance risk. The lead manages a data science group, designs and productionizes econometric, statistical and machine learning models, and guides stakeholders through data-driven insights.

CVS Health's Analytics & Behavior Change (A&BC) team is seeking a Decision Scientist - Clinical Informatics (Clinical Data Standards) to activate the clinical data repository and improve outcomes across multiple lines of business. Day-to-day, you will serve as a bridge between clinical data assets and analysts, data scientists, and business partners by building a clinical data feature store, developing reusable data assets, creating documentation, and translating clinical concepts into analytica

The Insights and Product Analytics team at Gartner drives business performance for research products by providing data-driven insights to improve operational efficiency and customer value. This Associate Data Scientist role involves executing large-scale data modeling projects, from design to operationalization, while injecting technologies like Machine Learning and Generative AI. The position is based in Irving, TX or Stamford, CT, operating within a hybrid work model.

Knights of Columbus Finance, Data & Analytics team builds AI-powered solutions to improve life insurance, investments, membership and charitable services. The Senior Applied AI & Data Scientist designs, develops and deploys LLM-enabled analytics, RAG pipelines and advanced ML models, partnering with engineers and stakeholders to operationalize responsible AI across regulated domains.

CrowdStrike's NGSIEM Agentic AI team is seeking a Senior Data Scientist to design, build, and deploy advanced AI systems that analyze and prioritize millions of security events per second. Day-to-day work includes leading architecture for large-scale retrieval, ranking, vector search, RAG, and anomaly detection; owning end-to-end ML pipelines; driving cross-functional AI initiatives; and mentoring junior scientists.

CVS/Oak Street Health’s Decision Sciences team is hiring a Data Scientist to deliver data-driven solutions that optimize Oak Street Health’s care model and improve patient outcomes. Day-to-day, you will design and execute prospective study designs, ROI assessments, and clinical program evaluations; create statistical analysis plans with stakeholders; analyze large structured and unstructured datasets; and present findings to diverse audiences.

Eurofins Scientific (Eurofins USA PSS Insourcing Solutions) is seeking a Senior Scientist – Pharmaceutical Materials Scientist in Groton, Connecticut, USA, to support advanced solid-form screening for beyond Rule-of-5 (bRo5) molecules such as PROTACs, RIPTACs, and molecular glues. Day-to-day work includes advanced solid-state characterization, novel crystallization techniques, amorphous solid dispersion (ASD) formulation development, predictive mathematical modeling, and collaboration with Medic