44 java python developer jobs at 14 companies in Belvidere, IL
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Senior Developer - IT
Arlington Heights, Illinois, United States
$112k-$147k/yrOnsiteFull Time
United AirlinesNASDAQ: UAL: Operates a global network of passenger and cargo flights.
4+ YOEBachelor's in CS/CE/EE/MIS,4+ years software development experience, AWS and backend API experience (Java/Node/Python), CI/CD, Kubernetes, Git, cloud platforms, Agile, strong communication; must be authorized to work in the US.
Blain's Farm & Fleet: Retailer of farm, home, automotive, and outdoor goods.
5+ YOE5+ years software development experience; proficiency in Java, C#, Python, JavaScript; strong system architecture, design patterns, data modeling, cloud and application security knowledge; bachelor's in CS/Engineering preferred; experience with SaaS platforms (Adobe, Oracle) preferred.
Lead Data Engineer, Marketing Technology (Enterprise Platforms Technology)
McLean or Riverwoods
$179k-$225k/yrOnsiteFull Time
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's degree, 4+ years application development experience, 2+ years big data, 1+ year cloud experience (AWS/Azure/GCP); experience with Python/Java/Scala, distributed data tools, data warehousing, UNIX/Linux, and Agile practices.
RRD: Provides marketing, packaging, print, and supply chain solutions globally.
3+ YOEBachelor's degree plus 3 years related experience (or Master's plus 1 year). Experience with Java, Python, C#, C++, Microsoft technologies, SQL, front-end and back-end web systems required.
Java, Python, C#, C++, Microsoft technologies, SQL
Schaumburg or Minneapolis or Washington or United States
$146k-$250k/yrRemoteFull Time
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
5+ YOEBachelor's or equivalent; 5+ years software engineering (Python/Java/Scala), 3+ years production ML experience, 2+ years MLOps/CI/CD and containerized deployments, SQL and MongoDB experience, strong communication and technical leadership.
Python, Java, Scala, Docker, Kubernetes, SQL, MongoDB, Microsoft, Palantir, CI/CD, MLOps, Large Language Models (LLMs)
Charter Next Generation: Manufactures sustainable specialty films and flexible packaging solutions.
3+ YOEBachelor's in programming or equivalent experience; 3+ years (assoc+3) or 5+ years experience. Ignition experience preferred; proficiency with MS SQL and Python; ethernet networking knowledge; strong communication and problem-solving skills.
Ignition, MS SQL, Python, Java, GIT, Agile, Continuous Integration, Test Driven Development
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
1+ YOEBS/MS in CS/Electrical/Computer Engineering or related,1–2 years embedded software experience,US citizenship,proficiency in embedded development,network protocols,and strong communication and problem-solving skills.
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
4+ YOEBachelor’s degree plus 5 years (or Master’s plus 4) and 4+ years data engineering experience; programming in Java, Python, R, or SQL; experience with APIs, LLMs, and data warehousing.
Systems Engineer/Principal Systems Engineer (Integration & Test)
Rolling Meadows, Illinois, United States
$88k-$163k/yrOnsiteFull Time
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEUS citizen able to obtain/maintain government clearance (SAP/Secret); BS/MS/PhD in EE/ME or related; 2+ years (Systems) or 5+ years (Principal) experience; troubleshooting hardware/software/firmware; test planning and execution; DOORS, MBSE/Cameo, MATLAB, C/C++, Java, Python familiarity.
Fulcrum GT: Cloud-based enterprise software for professional services firms.
Recent bachelor's or advanced degree, experience developing in high-level languages (Python, JavaScript, Java, Swift), strong communication and organizational skills, entrepreneurial mindset, and full availability in Hyderabad from 13 July 2026 to 9 October 2026.
Convr: AI platform for commercial property and casualty underwriting automation.
10+ YOE10+ years full-stack/frontend experience, proficiency in TypeScript/JavaScript and other languages, Next.js App Router and tRPC experience, strong commercial P&C insurance knowledge, excellent communication and consulting skills.
Dallas or Ottawa or Naperville or Westford or Canada
$108k-$154k/yrHybridFull Time
NokiaNYSE: NOK: Sells telecommunications infrastructure and software for global network operators.
5+ YOEMaster's in Engineering/Computer Science/Physics,5+ years industry experience,carrier-class networking knowledge,WDM/IP/MPLS/GMPLS/Ethernet,proficiency with scripting and planning tools,strong analytical and problem-solving skills.
GE HealthCareNasdaq: GEHC: Develops and sells medical imaging and diagnostic technology.
Recent bachelor\u0002s graduate by July 2027 with technical problem-solving, leadership, and communication skills; willingness to relocate for rotations; legal U.S. work authorization required.