46 lead data scientist jobs at 35 companies in Fairfield, CT
2w
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Lead Data Scientist
Woodcliff Lake, New Jersey, United States
$182k-$201k/yr HybridFull Time
3+ YOEMaster's (or Bachelor's with additional experience) in Data Science/Math/IT/Engineering, 3–5 years data science experience, expertise in ML/AI, ETL, data lakes, cloud platforms, and analytics tools.
Tableau, Amazon QuickSight, Python, Hadoop, Oracle, Postgres SQL, AWS, Azure
3w
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Lead Data Scientist
Columbus or Chadds Ford or Frisco or Draper or New York City
$121k-$218k/yr HybridFull Time
8+ YOEBachelor’s in quantitative field,8+ years building advanced models (ML,segmentation,time series),EML/AI research experience preferred,experience in financial services and Conjoint Analysis,US work authorization required.
Data Manipulation, Machine Learning, Python (Programming Language), R Statistics, Statistical Analysis, Statistics, Time Series Analysis, Cloud Environment, Conjoint Analysis, Agentic AI
2mo
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Lead Data Scientist
San Francisco or New York
$210k-$250k/yr HybridFull Time
5+ YOE5+ years of production ML experience in risk/fraud/identity domains; knowledge graph, entity resolution; ML infrastructure; senior individual contributor.
Knowledge Graphs, Graph Databases, LLMs, Feature Stores, Model Management, Python, SQL, ML Pipelines
1mo
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Lead Insurance Data Scientist
San Ramon or Atlanta or Chicago or Dallas or New York or Summit
$100k-$150k/yr HybridFull Time
3+ YOEBachelor's degree (or equivalent), 3+ years data analyst/scientist experience in an insurance brokerage, proficiency with Python, SQL, Microsoft Excel, Tableau, Power BI, Databricks, strong communication and analytical skills.
Python, SQL, Microsoft Excel, Tableau, Power BI, Databricks, Azure Databricks
4d
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Lead Data Scientist
New York, New York, United States
$170k-$190k/yr HybridFull Time
5+ YOEMaster's in quantitative field and 5+ years data science experience; expertise in Python, machine learning, extracting/cleaning large datasets, consumer unsecured lending, credit bureau data, and cloud services (AWS).
Python, AWS
3d
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Data Scientist Lead
Long Island City, New York, United States
$156k-$260k/yr OnsiteFull Time
Master's degree required (PhD preferred), strong expertise in SQL and Python, experience with feature engineering, deep learning, big data and cloud platforms, leadership and stakeholder communication skills.
SQL, Python, Tableau, Microsoft Power BI, Looker, Adobe Analytics, Google Analytics, Redshift, Big Query, GCP, Azure, AWS
1mo
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Lead Data Scientist
New York City, New York, United States
$135k-$155k/yr OnsiteFull Time
5+ YOE5+ years in data science/analytics, end-to-end model ownership, Python, SQL, Airflow, Git, Snowflake/BigQuery, dbt, causal inference experience, strong communication and mentoring skills.
Airflow, Python, Git, SQL, Snowflake, BigQuery, dbt, NLP, AI
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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
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
1mo
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Lead Data Scientist
New York City, New York, United States
$185k-$215k/yr HybridFull Time
6+ YOE6+ years data science experience, advanced degree in a quantitative field, proven ML expertise, Python and sklearn experience, complex SQL skills, end-to-end modeling and A/B testing experience, and strong communication.
Python, sklearn, JupyterLab, pandas, matplotlib, statsmodels, SQL
2w
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Lead Data Scientist
Philadelphia or New York
$150k-$175k/yr OnsiteFull Time
6+ YOEMS or equivalent experience,6+ years data science/ML experience,experience with LLMs,RAG,fine-tuning,Python,TensorFlow,PyTorch,scikit-learn,PySpark,Scala,SQL,AWS/GCP,model deployment and governance.
Python, TensorFlow, PyTorch, scikit-learn, PySpark, Scala, SQL, AWS, GCP, LLM, Retrieval-Augmented Generation (RAG), GraphDB
1w
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Lead Data Scientist
New York, New York, United States
$130k-$190k/yr OnsiteFull Time
3+ YOEMaster's or higher (PhD preferred),3+ years quantitative analysis,experience with fixed income,proficiency in Python,C++,SQL,Shell Scripting,R;AI/ML experience preferred,strong communication skills.
Python, C++, SQL, Shell Scripting, R, AI, ML
1w
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Lead Data Scientist
New York, New York, United States
$130k-$190k/yr OnsiteFull Time
3+ YOEMaster's or higher in a quantitative field, 3+ years quantitative experience, fixed-income pricing experience preferred, strong skills in Python,C++,SQL,Shell Scripting,R and AI/ML, strong communication and critical thinking.
Python, C++, SQL, Shell Scripting, R, AI & ML
1mo
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Lead Data Scientist
Atlanta or New York City or United States
$166k-$214k/yr RemoteFull Time
Expertise in NLP/LLM and financial compliance, experience designing and deploying transformer models, strong statistics and ML knowledge, familiarity with listed ML frameworks and cloud platforms, and ability to mentor junior staff.
scikit-learn, H2O, keras, pytorch, tensorflow, pandas, numpy, carot, tidyverse, gloVe, fastText, word2vec, Bert, SBert, HuggingFace, GPT-x, NLTK, spaCy, Nvidia NeMo, helm, Docker, Kubernetes, ollama, Langchain, AWS, GCS, Azure
1w
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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
5+ YOE5+ years applied data science in digital/performance marketing, hands-on ML in AWS, strong modeling fundamentals, expert Python and SQL, adtech and ROAS-focused experience.
Python, SQL, AWS, Looker, Google, Meta
1mo
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Lead Fraud Data Scientist
Miami or New York or San Francisco or Mexico City
RemoteFull Time
5+ YOE5+ years hands-on data science experience, leadership in ML projects, expert Python and advanced SQL, experience with tree-based models (XGBoost/CatBoost/LightGBM), model explainability (SHAP/LIME), cloud model deployment and monitoring, strong statistics and A/B testing skills.
Python, pandas, scikit-learn, SQL, XGBoost, CatBoost, LightGBM, Logistic Regression, Lasso, Ridge, SHAP, LIME, K-Means, K Nearest Neighbors, Isolation Forest, GCP, AWS, Azure, Vertex AI, Tableau, Looker, Neo4j, NetworkX, Graph Neural Networks (GNNs)
2mo
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Principal/Senior - Data Scientist – New York City
New York City, New York, United States
HybridFull Time
Senior/Lead Data Scientist with 4+ years; Principal with 6+ years; strong MLOps, Python/SQL, domain expertise; ability to lead projects and mentor teammates.
Python, SQL, MLOps, Knowledge Graph
2w
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Lead Data Scientist, Justice Processes
New York City, New York, United States
$68k-$140k/yr OnsiteFull Time
5+ YOEPostgraduate degree preferred,5+ years applied data science experience,proficiency in Python or R and SQL,experience with ML and predictive modeling,data wrangling and visualization,strong communication and project leadership skills.
Python, R, Microsoft SQL, PostgreSQL, JSON, CSV, Parquet, SQL
1mo
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Lead Data Scientist- Recommendation Systems
New York or United States
RemoteFull Time
8+ YOE8+ years in data science, 3+ years building recommendation systems, production Python and SQL skills, experience with Databricks, Azure, GCP, plus leadership, stakeholder communication, and project management.
Python, SQL, Databricks, Azure, Google Cloud Platform (GCP)
2mo
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Gen-AI Data Scientist Lead
New York or Zurich or United States or Poland or China or Switzerland
$140k-$180k/yr OnsiteFull Time
7+ YOE7+ MgmtMaster’s or PhD in a technical field, ~7+ years leading data science/AI teams, strong Python and ML skills (PyTorch, transformers), experience with LLMs, cloud platforms, SQL, and building production-grade AI systems.
R, SAS, Python, PyTorch, transformers, LangChain, OpenAI, spaCy, Azure OpenAI, Anthropic, Hugging Face, datasets, PEFT, accelerate, tokenizers, evaluate, LoRA, quantization, RLHF, DPO, SQL, Azure, AWS, GCP, Databricks, GitHub
3mo
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Senior Associate - Lead Data Scientist (New York, NY, US)
New York City, New York, United States
$124k-$177k/yr HybridFull Time
5+ YOE5+ years of experience in data science/AI/ML with hands-on model development and deployment.
Python, SQL, Git, AWS, GCP, SageMaker, Bedrock, Vertex AI, Snowflake, Databricks, LLMs, RAG, Streamlit
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