67 junior python developer jobs at 34 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
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
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
2w
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GIS Software Engineer
Hartford, Connecticut, United States
$97k-$145k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
2+ YOE2+ years software engineering experience; strong backend development with Java/Spring Boot, ArcGIS platform experience, Oracle geodatabases, Python, AWS, RESTful API design, and ability to work hybrid in Hartford, CT. Must be authorized to work in the US without sponsorship.
Java, Spring Boot, AWS, Python, Oracle, React, ArcGIS Enterprise, ArcGIS Pro, ArcPy, Jupyter Notebooks, Terraform, Arcade, PowerShell, Apigee, AWS API Gateway, GitHub, GitHub Copilot, Jenkins, SonarQube, SQL Server, PostgreSQL, Snowflake, Angular, FME
1mo
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Quantum Software Engineer II
New Haven, Connecticut, United States
$103k-$154k/yr HybridFull Time
D-Wave Quantum
D-Wave QuantumNYSE: QBTS: Provides commercial quantum computing systems, software, and cloud services.
2+ YOEBachelor's in CS/ECE/math/physics/chemistry required; 2+ years Python software development; experience with debugging/profiling, version control, software testing, and quantum APIs (Qiskit, Q#, CUDA-Q, Cirq).
Python, Qiskit, Q#, CUDA-Q, Cirq
1mo
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Software Development Engineer in Test
Boston or San Francisco or Windsor
HybridFull Time
SS&C Technologies
SS&C TechnologiesNasdaq: SSNC: Provides software and technology for financial and healthcare sectors.
2+ YOEBS in CS or related, 2+ years software development experience, proficiency in Python/Java/Java Script/SQL, CI/CD and GIT experience, testing framework design, system and data security knowledge.
Python, Java, Java Script, SQL, CI/CD, GIT, BDD, Playwright, Locust, ETL, AI Tools & Technologies
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
3w
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Software Engineer
Hartford, Connecticut, United States
$73k-$130k/yr HybridFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
2+ YOEBachelor's in a technical field, 2+ years building and deploying AI/ML or generative AI solutions in production, Python proficiency, experience with agentic workflows and RAG solutions, familiarity with LLM frameworks such as LangChain or LangGraph.
Python, LangChain, LangGraph
2mo
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Associate, AI Engineer
Denver or Stamford or Washington or Tampa or Atlanta or Chicago or Boston or Charlotte or Short Hills or Philadelphia or Providence or Dallas or Houston
OnsiteFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
1+ YOE1+ year experience in AI/ML, data science, software engineering, or cloud; bachelor’s in CS/data/engineering; proficiency in Python and cloud AI platforms; strong analytical and communication skills.
Azure AI, AWS AI, Bedrock, Google Cloud Vertex AI, Python
2w
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Apriso Software Engineer, Associate
Aguadilla or Fort Worth or Grand Prairie or Littleton or Orlando or Stratford
$63k-$125k/yr RemoteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOEUS citizen with Bachelor's in a related discipline or equivalent, 1+ year professional experience, Agile experience, Atlassian tools (BitBucket, Jira), strong programming in C#, Java, or Python, DB experience (Microsoft SQL Server or Oracle).
Atlassian tool suite, BitBucket, Jira, C#, Java, Python, Microsoft SQL Server, Oracle, DELMIA Apriso, Apriso process builder, RESTful APIs, spring-boot
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
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
6d
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AI/ML 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 and 2+ years engineering experience (or advanced degree with 1+ year); U.S. citizenship required; experience with ML for scientific/engineering simulations; Python and SQL skills.
PyTorch, Tensorflow, JAX, Python, SQL
1mo
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Associate, Front Office Software Engineer
Stamford or Houston
OnsiteFull Time
Castleton Commodities International
Castleton Commodities International: Invests in and manages global energy and commodity assets.
2+ YOEBachelor's or Master's in CS/STEM, 2+ years software engineering experience, strong CS fundamentals, backend Python proficiency, front-end experience (React/Angular/TypeScript) preferred, cloud (AWS) and data warehousing (Snowflake) familiarity, Linux and CI/CD experience, strong communication.
Python, React, Angular, TypeScript, AWS, Snowflake, Linux/Unix, CI/CD
2w
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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
2w
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Data Engineer
Richmond or Stamford
OnsiteFull Time
Genworth Financial
Genworth FinancialNYSE: GNW: Provides insurance products for aging care and mortgage protection.
2+ YOEBachelor's in CS or finance/accounting, 2+ years applications development, experience with databases, ETL and data feeds, strong coding and troubleshooting skills.
Microsoft .Net, C#, VB.Net, ASP.Net, Java, Python, Shell, JavaScript, ETL, Bloomberg, Thomson Reuters, Markit
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
1mo
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Commissioning Engineer
Norwalk or Mesa
$70k-$80k/yr HybridFull Time
GameChange Solar
GameChange Solar: Designs and manufactures utility-scale solar racking and tracker systems.
Support commissioning and troubleshooting of solar trackers, use Genius Tracker and SCADA, write/run Python/C scripts, configure networks (TCP/IP, SSH, Modbus, VLANs), document performance, travel to sites; bachelor's in electrical engineering required; strong communication and troubleshooting; 2+ years engineering experience preferred.
Genius Tracker, SCADA, SSH, TCP/IP, Python, C, Modbus, Zigbee, VLANs, IPv4
1mo
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Risk, Compliance, and Legal Engineering - Analyst/Associate
Greenwich, Connecticut, United States
$125k-$155k/yr OnsiteFull Time
AQR Capital Management
AQR Capital Management: Quantitative investment firm managing traditional and alternative strategies.
2+ YOEBS in CS/Engineering or related; 2+ years programming experience (Python, SQL, JavaScript, and/or .NET); experience with APIs, web app development, cloud, data visualization (Tableau), and strong analytical and communication skills.
Python, SQL, JavaScript, .NET, Angular, CSS, Tableau, AWS, RESTful services, microservices, APIs
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
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++