11 python intern jobs at 9 companies in Connecticut

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Quantitative Analysis Intern
Stamford, Connecticut, United States
HybridFull Time
Group 1001
Group 1001: Provides tech-driven insurance products and digital investment platforms.
0+ YOEEnrolled in a graduate program (relevant fields), 0–6 months analytical experience preferred, proficient in Excel, Stata, SQL and Python/R, strong data analysis, communication, and collaboration skills.
Microsoft Excel, Stata, SQL, Python, R
1mo
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BLP Intern - Credit
Stamford or United States
HybridInternship, Full Time
Synchrony
SynchronyNYSE: SYF: Provides consumer financial services and private label credit cards.
Pursuing a bachelor’s in Accounting, Mathematics, Finance, Economics or related; minimum 3.0 GPA; available for a 10-week full-time (40 hrs/wk) summer internship (June–August); 18+; background check, drug screen, and fingerprints required; must meet Section 19 FDIC requirements; ability to relocate/commute to Hub.
SAS, Python, Machine Learning
19h
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Actuarial Intern Summer 2027 (CMH Health)
Chicago or Brookfield or Windsor
$21-$46/hr OnsiteFull Time
Milliman
Milliman: Global provider of actuarial and risk management consulting services.
Pursuing a bachelor’s or master’s in a quantitative field, at least one actuarial exam passed, ability to work onsite four days/week, familiarity with Excel and basic actuarial concepts; Excel/VBA/Python/SAS exposure preferred.
Microsoft Excel, VBA, Python, SAS
19h
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Actuarial Intern Spring 2027 (CMH Health)
Chicago or Brookfield or Windsor
$21-$46/hr HybridFull Time
Milliman
Milliman: Global provider of actuarial and risk management consulting services.
Pursuing a bachelor’s or master’s in a quantitative field, able to work full-time Jan–Jun 2027 (40+ hrs/wk), strong math and analytical skills, Excel/VBA/Python/SAS experience preferred, at least one actuarial exam preferred.
Excel, VBA, Python, SAS
3d
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Intern, Customer Support and Customer Success
New York or Wisconsin or West Virginia or Washington or Arkansas or Washington or Arizona or Virginia or Vermont or Utah or Texas or Tennessee or South Dakota or South Carolina or Rhode Island or Pennsylvania or Oregon or Ohio or North Dakota or North Carolina or New Mexico or New Jersey or New Hampshire or Nevada or Virgin Islands, U.S. or Nebraska or Montana or Mississippi or Minnesota or Michigan or Massachusetts or Maryland or Maine or Louisiana or Kansas or Iowa or Indiana or Illinois or Idaho or Georgia or Florida or Delaware or Connecticut or Missouri or Colorado or California or Wyoming
$22-$25/hr RemotePart Time
Harris Computer
Harris Computer: Provides mission-critical vertical market software and service solutions.
Pursuing BA/BS in CS or related field; proficient in SQL and Python; experience with AWS Quicksight, Microsoft Power BI, Tableau, cloud-hosted apps (AWS/Azure), and SQL Server/Postgres/Oracle; interest in AI tools and support operations.
SQL, AWS Quicksight, Microsoft Power BI, Tableau, Python, AWS, Azure, SQL Server, Postgres, Oracle
19h
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Pharmacy Analytics Intern Fall 2026 (CMH Health)
Chicago or Brookfield or Windsor
$19-$43/hr HybridInternship, Full Time
Milliman
Milliman: Global provider of actuarial and risk management consulting services.
Pursuing bachelor’s or master’s in quantitative field, available full-time Sep–Dec 2026, strong Excel and analytic skills, familiarity with pharmacy claims and reimbursement preferred.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, VBA, Python, SAS, SQL
1w
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Fall 2026, Intern/Coop: Machine Learning Researcher
East Hartford, Connecticut, United States
$37k-$82k/yr HybridPart Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
1+ YOEPursuing MS/PhD in CS/Math/Engineering, minimum 6-month co-op,1+ years MS/PhD-level research and 1+ years ML software dev in Python; familiarity with PyTorch or TensorFlow; submit transcripts.
Python, PyTorch, TensorFlow
1mo
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Oliver Wyman Actuarial - Internship - Summer 2027
New York City or Boston or San Francisco or Hartford or Los Angeles or Philadelphia or Houston or Dallas or Charlotte or Milwaukee or Washington or Chicago or Atlanta or Seattle
$1k-$2k/wk HybridFull Time, Internship
Marsh McLennan
Marsh McLennanNYSE: MRSH: Global professional services firm providing risk, strategy, and people solutions.
Undergraduate student (Class of 2028 or 2029) pursuing actuarial, math, statistics, STEM or business degree; minimum 3.5 GPA; strong analytical, communication, and problem-solving skills; interest in SOA/CAS/CFA; familiarity with Excel, R, Python, SQL, SAS, or VBA.
Microsoft Excel, R, Python, SQL, SAS, VBA
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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
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Fall Internship - Data Analytics (Remote)
Arizona or Connecticut or Illinois or Louisiana or Massachusetts or Maryland or Michigan or Minnesota or New Jersey or New York or Oregon or Pennsylvania or Tennessee or Texas or Virginia or Wisconsin or District of Columbia
$17-$20/hr RemoteInternship
Sourcebooks
Sourcebooks: Independent book publisher of fiction, non-fiction, and children's literature.
Current college student or recent graduate; able to commit 21 hours/week (Sept 14–Nov 21, 2026); reside in listed US states; coursework/interest in data analytics; cover letter required; SQL/Python/Power BI a plus.
SQL, Python, Power BI
2w
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Senior Internal Auditor
Wilton, Connecticut, United States
HybridFull Time
Louis Dreyfus Company
Louis Dreyfus Company: Global merchant and processor of agricultural and food goods.
4+ YOE4+ years experience in operations or internal audit, bachelor’s/master’s in engineering, finance or business, strong operations knowledge, data analytics skills (ACL/Python/Power BI), advanced Excel, CIA a plus.
ACL, Python, Microsoft Power BI, Microsoft Excel