12 numpy jobs at 9 companies in Connecticut

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
1w
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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
1w
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Data Scientist
California or Colorado or Connecticut or District of Columbia or Delaware or Florida or Georgia or Illinois or Indiana or Massachusetts or Maryland or Michigan or Minnesota or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Virginia
$90k-$120k/yr RemoteFull Time
Great Gray
Great Gray: Provides trustee and administrative services for collective investment trusts.
3+ YOE3+ years as a data scientist/ML engineer with production ML experience; strong Python, pandas, NumPy, scikit-learn, FastAPI, SQL, and cloud (Azure/AWS) skills; experience deploying and monitoring models.
Python, pandas, NumPy, PyDantic, FastAPI, scikit-learn, SQL, Azure, AWS, Azure AI Foundry, AWS Bedrock, Cursor, Claude, Angular, React, C#, .NET, MSSQL, Postgres, Databricks, Cypress, Docker, GitHub, SonarQube
1w
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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
3mo
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Business Intelligence Analyst
Stamford, Connecticut, United States
OnsiteFull Time
Point72
Point72: Global multi-strategy asset management and investment advisory firm.
3+ YOEMaster’s in data science, decision science, I/O psychology, or related field; 3+ years in data/business/technical product role; SQL; Python (Pandas/NumPy); AI/LLM tools; strong analytics and communication.
SQL, Python, Pandas, NumPy, AI/LLM Platforms
3w
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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
1w
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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
1mo
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Tax Artificial Intelligence Manager
Chicago or Los Angeles or New York or Oakbrook Terrace or San Francisco or Hartford or Nashville or South Bend or Tampa or Atlanta or Boston or Cleveland or Dallas or Denver or Fort Lauderdale or Houston or Grand Rapids or Austin or Charlotte or Indianapolis
$96k-$195k/yr OnsiteFull Time
Crowe
Crowe: Global professional services firm providing audit, tax, and consulting.
7+ YOE2+ Mgmt7+ years software engineering experience, 2+ years leading engineers, strong Python and cloud (Microsoft Azure) expertise, experience with async processing, CI/CD, security, and stakeholder communication; Bachelor's degree required.
Python, FastAPI, AsyncIO, Pydantic, Uvicorn, Gunicorn, SQLAlchemy, Alembic, Microsoft Azure PostgreSQL, Microsoft Azure, Microsoft Azure App Service, Microsoft Azure Functions, Microsoft Azure Service Bus, Microsoft Azure Blob Storage, Microsoft Azure Key Vault, Microsoft Azure API Management, Microsoft Managed Identity, Microsoft Azure Monitor, Microsoft Application Insights, Microsoft Azure Foundry, Microsoft Azure AI Document Intelligence, OpenAI Python SDK, Microsoft Azure OpenAI, OpenAI APIs, Microsoft Agentic Framework, FAISS, scikit-learn, RapidFuzz, PyMuPDF, pypdf, pandas, numpy, Microsoft Entra ID, Microsoft Azure AD, Okta, OAuth2, OIDC, JWT, Microsoft Azure DevOps Pipelines, Octopus Deploy, Veracode, pytest, pytest-asyncio, pytest-cov, OpenTelemetry, structlog, Jinja2, HTML/CSS, JavaScript
3mo
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US FTR, Gas and Power Risk, Quantitative Researcher
Greenwich or Houston or New York
$200k-$275k/yr HybridFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse financial assets.
10+ YOE10+ years in commodities quant/risk; strong FTR, gas and power expertise; advanced degree in quantitative field; Python/SQL proficiency.
Python, SQL, pandas, numpy, Plotly Dash
3mo
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US FTR, Gas and Power Risk, Quantitative Researcher
New York or Greenwich or Houston
$200k-$275k/yr HybridFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse alternative asset classes.
10+ YOE10+ years as a commodities quant/risk professional; US FTR, Gas and Power expertise; strong math/physics/engineering/economics/finance background; experienced with physical commodity assets and risk modeling; Python and SQL proficiency.
Python, SQL, pandas, numpy