9 numpy jobs at 7 companies in Waterbury, CT

2mo
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Quantitative Front Office Engineer - Associate/VP
Greenwich, Connecticut, United States
$155k-$185k/yr HybridFull Time
AQR Capital Management
AQR Capital Management: Quantitative investment firm managing traditional and alternative strategies.
3+ YOE3+ years programming; Python, NumPy, Pandas; SQL Server and PostgreSQL; AI/agentic frameworks; design patterns; OOP; cloud, microservices, containers; strong testing and communication.
Python, NumPy, Pandas, SQL Server, PostgreSQL, Cloud, Docker, Kubernetes
1mo
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Quantitative Modeler, ALM & Insurance Analytics
Hartford or Charlotte
$100k-$180k/yr OnsiteFull Time
Talcott Financial Group
Talcott Financial Group: International life insurance group providing risk and retirement solutions.
1+ YOEDegree in quantitative finance or actuarial designation; 1+ year in quantitative asset modeling and AI applications; strong fixed income, derivatives, Python, NumPy, pandas, FastAPI, Azure, and model validation experience.
Python, NumPy, pandas, Fast API, Azure, AXIS, KRM, QuantLib
2w
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Full-Stack Software Engineer Internship (Summer 2027)
Stamford or Houston
OnsiteInternship, Full Time
Castleton Commodities International
Castleton Commodities International: Invests in and manages global energy and commodity assets.
Currently pursuing a BS/MS in CS/Engineering/MIS or related, strong Python skills (Pandas, NumPy), familiarity with Git, cloud (AWS), Kubernetes, Kafka, Snowflake, DevOps tools and data visualization (Streamlit).
Python, Pandas, NumPy, AWS, Snowflake, Kubernetes, Kafka, Git, Docker, Helm, CI/CD, Streamlit
2w
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Data Science Machine Learning Internship (Summer 2027)
Stamford or Houston or New York City
OnsiteFull Time
Castleton Commodities International
Castleton Commodities International: Invests in and manages global energy and commodity assets.
Pursuing a bachelor's or higher in quantitative/technical field, expected grad 2027–2028; experience with machine learning/time series forecasting; strong Python (Pandas, NumPy) skills; strong analytical and communication abilities.
ARIMA, SARIMA, XGBoost, LSTM, Python, Pandas, NumPy
1mo
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Senior Lead Engineer
Windsor, Connecticut, United States
$141k/yr OnsiteFull Time
Quest Global
Quest Global: Global engineering services for product development and lifecycle management.
2+ YOEMaster's in Computer Engineering (or equivalent) plus 2 years' relevant experience; demonstrable knowledge of Snowflake, dbt, Tableau, Python, Pandas, NumPy, Airflow, PL/SQL, Postgres SQL, and GitHub; strong data modeling and pipeline skills.
Snowflake, dbt, Tableau, Python, Pandas, NumPy, Airflow, Shell scripting, PL/SQL, Postgres SQL, GitHub
1mo
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Senior Software Developer - Python
Chicago or Greenwich
$200k-$250k/yr HybridFull Time
Interactive Brokers
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
5+ YOE5+ years software engineering experience (Python/C++/Java), 3+ years Python as primary language, experience with Polars/Pandas/NumPy, Linux (1-3 yrs), SQL and large codebases; Bachelor's degree in CS or related.
Python, C++, Java, Polars, Pandas, NumPy, Linux, SQL
2w
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Data Engineering Internship (Summer 2027)
Stamford or Houston or New York City
OnsiteFull Time, Internship
Castleton Commodities International
Castleton Commodities International: Invests in and manages global energy and commodity assets.
Pursuing a Bachelor's or higher in CS/Engineering/MIS, expected grad Winter 2027–Spring/Summer 2028. Strong Python and SQL skills; experience with pandas, NumPy, SQLAlchemy; familiarity with Snowflake, cloud (AWS/Azure); web scraping interest.
Python, SQL, Snowflake, pandas, NumPy, SQLAlchemy, Airflow, AWS, Azure
2w
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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
3w
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Manager, Applied AI, Advanced Informatics
Tarrytown or Armonk or Warren
$151k-$246k/yr RemoteFull Time
Regeneron
RegeneronNasdaq: REGN: Discovers and manufactures medicines for serious diseases.
4+ YOE4+ years applied AI/ML experience, BS in CS/ML/Data Science or related (advanced degree preferred), strong ML/NLP and Python skills, experience with ML frameworks, experiment tracking, and cloud ML infrastructure.
PyTorch, TensorFlow, Python, scikit-learn, HuggingFace Transformers, pandas, NumPy, MLflow, W&B, DVC, AWS SageMaker, GCP Vertex AI, Azure ML, Electronic Medical Records (EMR)