132 junior python jobs at 70 companies in Waterbury, CT

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
3mo
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Junior Software Engineer - Automation & Integration
Ridgefield, Connecticut, United States
OnsiteFull Time
Fletcher Development
Fletcher Development: Builds luxury custom homes and provides residential estate management services.
Backend development in .NET (C#) and Python; REST APIs; databases; payments security; AI tooling.
.NET (C#), Python, REST APIs, PostgreSQL, SQL Server, Stripe, QuickBooks API, OneSignal, Twilio, SendGrid, Copilot
2d
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Software Engineer (AWS, Python, DevOps)
Irving or Stamford
$74k-$116k/yr HybridFull Time
Gartner
GartnerNYSE: IT: Provides research and advisory services for business leaders.
2+ YOEMS/BS in computer science or equivalent experience,2+ years AWS/cloud automation experience,containers and Kubernetes,infra automation with Terraform/CloudFormation,GitOps exposure,and scripting in Python/Shell/Groovy.
AWS, Docker, Kubernetes, Terraform, CloudFormation, GitOps, Python, Shell, Groovy
1mo
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Junior Quantitative Analyst
Austin or Chicago or New York or Old Greenwich or San Francisco or West Palm Beach
$150k/yr OnsiteFull Time
WorldQuant
WorldQuant: Develops systematic investment strategies through quantitative research and data.
Undergraduate or advanced degree in a quantitative field; programming in Python and/or C++; Linux experience; strong problem-solving and quantitative skills; interest in financial data, machine learning, and data engineering.
Python, C++, Linux
2mo
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2027 Front Office Development Engineering Summer Analyst
Greenwich, Connecticut, United States
OnsiteInternship
AQR Capital Management
AQR Capital Management: Quantitative investment firm managing traditional and alternative strategies.
0+ YOEProficiency in Python and Java; knowledge of design patterns, SOA/microservices, cloud; strong testing, communication; finance knowledge is a plus.
Python, Java, AWS, Microservices, Containers, Cloud
1w
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Associate Risk Analyst
Hartford, Connecticut, United States
$69k-$104k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
2+ YOEBachelor's in quantitative field, 2+ years experience, analytical skills, familiarity with Python/R/VBA, ability to communicate technical concepts to varied audiences.
Python, R, VBA
2w
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Software Engineer
Hartford, Connecticut, United States
$96k-$136k/yr HybridFull Time
Empower
Empower: Provides retirement plan administration and personal wealth management services.
2+ YOEBachelor's degree or equivalent,2-3+ years software development experience,proficiency in Python,ELT tools and AWS,problem-solving and teamwork skills.
Python, ELT, AWS, Java, Swift, JavaScript
6d
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Research Assistant 1 HSS
New Haven, Connecticut, United States
$28/hr HybridPart Time
Yale University
Yale University: Provides higher education and conducts global academic research.
Experience in clinical or research settings, proficiency with data entry/management and analysis tools (Excel, SPSS, Python, REDCap), strong communication and organizational skills.
Microsoft Excel, SPSS, Python, REDCap, Microsoft Office
1w
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Quantitative Researcher - Early Career (USA)
Stamford, Connecticut, United States
$120k-$180k/yr OnsiteFull Time
Trexquant
Trexquant: Quantitative hedge fund developing systematic trading strategies.
BS/MS in a STEM field, strong programming (Python), passion for machine learning, strong problem-solving, teamwork; quantitative finance and accounting knowledge a plus.
Python
2w
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Postgraduate Associate
New Haven, Connecticut, United States
$48k/yr OnsiteFull Time
Yale University
Yale University: Private Ivy League research university providing higher education services.
Training in pharmacoepidemiology, causal inference, machine learning, and analysis of large healthcare datasets; experience with R and Python; background check and COVID-19 vaccination compliance.
R, Python
1mo
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Associate Portfolio Manager
New York City or Stamford
$150k-$165k/yr HybridFull Time
O’Shaughnessy Asset Management
O’Shaughnessy Asset ManagementNYSE: BEN: Quantitative investment manager providing custom indexing and factor-based strategies.
2+ YOE2+ years portfolio experience, degree in a quantitative field, proficiency with Python and SQL, experience with risk models/optimization, CFA preferred, must be authorized to work in the U.S.
Python, SQL, Canvas®
3d
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Business Analyst - Operations & AI
New York City or Norwalk
OnsiteFull Time
Verition
Verition: Global multi-strategy hedge fund providing investment management services.
1+ YOE1–5 years operations experience in finance, working proficiency in SQL and Python, hands-on use of Claude/ChatGPT, strong communication, and comfort with sensitive financial data.
Claude, ChatGPT, Python, SQL, Gemini, GitHub Copilot
2w
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Software Engineer - P2 (Onsite)
East Hartford, Connecticut, United States
$69k-$131k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
2+ YOEBachelor's in STEM, 2 years engineering experience, U.S. citizenship required, experience with C/C++/Python and real-time embedded concepts, knowledge of airworthiness standards.
C, C++, Python, SPI, MIL-STD-1394, MIL-STD-1553, Ethernet, JIRA, Git
3w
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Credit Analyst
Stamford, Connecticut, United States
OnsiteFull Time
Patriot Bank
Patriot BankNASDAQ: PNBK: Regional banking services for individuals and commercial businesses.
Bachelor's degree in a quantitative field, strong Python/R/SQL and Microsoft Excel skills, experience with data extraction/automation, statistical modeling, and clear written/verbal communication.
Python, R, SQL, pandas, AI, Fiserv, CoStar, Abrigo, Microsoft 365, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint, Microsoft Teams, Microsoft SharePoint, Microsoft OneNote
3w
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DUV FLS Production Engineer
Wilton, Connecticut, United States
OnsiteFull Time
ASML
ASMLNASDAQ: ASML: Manufactures lithography systems used to print patterns on wafers.
BSc in Mechanical Engineering, internship/engineering experience, cleanroom production troubleshooting, knowledge of epoxy processing, mechanical assembly, tooling, diagnostics, and Lean Manufacturing; familiarity with MATLAB, LabVIEW, and Python.
MATLAB, LabVIEW, Python, NX, Teamcenter, SAP
1w
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Credit Model Development Quantitative Analyst I- HELOC & Residential Mortgage (Hybrid - see description for potential locations)
Buffalo or Washington or Baltimore or Iselin or Wilmington or New York City or Bridgeport
$62k-$104k/yr HybridFull Time
M&T Bank
M&T BankNYSE: MTB: Provides retail, commercial, and institutional banking and trust services.
1+ YOEBachelor's (or equivalent) and 1+ years quantitative or data experience; SQL and statistical programming (SAS, Stata, R, Python); econometric/statistical techniques; strong communication and data visualization skills.
SQL, SAS, Stata, R, Python
2mo
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Software Engineer
New York City or Old Greenwich
OnsiteFull Time
Ellington Management Group
Ellington Management Group: Manages alternative investment funds specializing in mortgage-backed securities.
0+ YOEStrong programming skills, SQL, and knowledge of one or more of C#, JavaScript, or TypeScript; Python helpful; experience with APIs, CI/CD, and AI tooling; strong problem-solving and ownership.
SQL, C#, JavaScript, TypeScript, Python, React, Angular, CI/CD
2mo
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Engineer - Manufacturing Technology Engineering (Danbury, CT, US, 6813)
Danbury, Connecticut, United States
$100k/yr OnsiteFull Time
Schaeffler
SchaefflerFrankfurt Stock Exchange: SHA0: Manufacturer of high-precision components for automotive and industrial applications.
1+ YOEBachelor's in engineering with 1 year experience; Proficient in MS Office; QA/ SPC knowledge; light programming in Python/Java/C++; US work authorization; export control compliance.
Python, Java, C++
5d
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Manufacturing Defect Engineer
Hopewell Junction, New York, United States
$66k-$102k/yr OnsiteFull Time
onsemi: Designs and manufactures semiconductor solutions for power and sensing.
BS in Engineering/Data Science/Statistics required; familiar with Java, Python, R, SQL; experience building, validating, and deploying analytical AI models; strong communication and teamwork skills.
Java, Python, R, SQL, Power BI
2mo
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Analyst - Actuarial
Hartford, Connecticut, United States
$70k-$90k/yr OnsiteFull Time
Nassau Financial Group
Nassau Financial Group: Provides life insurance, annuity products, and asset management services.
Bachelor's in Actuarial Science/Mathematics; progressing SOA exams (minimum 2); aiming for FSA; strong analytical and modeling skills; proficient with Excel, VBA, Python, R, and actuarial software.
Excel, VBA, Access, MG-Triton, MG-ALFA, PolySystems, Python, R, FactSet
2d
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Data Manager
New Haven, Connecticut, United States
$68k-$121k/yr OnsiteFull Time
Yale University
Yale University: Providing higher education and conducting advanced scientific research.
2+ YOEMaster’s plus ~2 years experience in data management; proficiency with R/Python, Git/GitHub, SLURM, data cleaning, FAIR principles, secure data practices, and strong communication.
R, Python, Git, GitHub, SLURM, BIDS, DICOM-to-NIfTI, fMRIPrep, FreeSurfer, VCF, PLINK