15 senior software developer jobs at 4 companies in Princeton, IL

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Senior Software Engineer
Peoria or Chicago or Irving or Dallas or Cary or Denver
$113k-$183k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Design, develop, test, and deploy Java/Spring Boot applications; experience with SQL, Hibernate/JPA/Spring Data, Snowflake, AWS or Azure, microservices, Docker/Kubernetes, CI/CD and Playwright; mentoring experience; up to 10% travel.
Java, Spring Boot, AWS, Azure, SQL, Hibernate, JPA, Spring Data, Snowflake, Playwright, Docker, Kubernetes, React, Angular, CI/CD, DevOps
2d
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Senior Software Engineer, AI & Salesforce
Peoria or Chicago or Irving
$113k-$183k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
5+ YOEBachelor's degree or equivalent,5+ years software development,3+ years Python,Salesforce and GenAI experience,CI/CD and AWS knowledge,Git experience,strong communication and leadership.
Agentforce, Einstein AI, Generative AI, Apex, Lightning Web Components (LWC), Visualforce, JavaScript, SOQL, SOSL, Salesforce APIs, OmniStudio, Flows, REST, SOAP, Platform Events, GitHub Copilot, Claude Code, Python, Git, Jenkins, GitHub Actions, Microsoft Azure Devops, AWS Lambda, Event Bridge, CloudWatch, CloudFormation, Dynamo, S3, IAM, RDS, Large Language Models (LLMs), Prompt Builder, Data Cloud, Sales Cloud, Marketing Cloud, AMP scripting
3w
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Senior .NET Software Engineer
Peoria or Tempe or Peoria or Chicago
$101k-$145k/yr HybridFull Time
RLI
RLINYSE: RLI: Specialty insurance carrier providing property, casualty, and surety solutions.
7+ YOE7+ years software development experience; proficiency with C#, .NET, Azure; strong SDLC, CI/CD, version control, database and automated testing knowledge; bachelor's degree preferred; leadership and mentoring experience.
C#, .NET, Azure, Version Control, CI/CD
2d
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Lead Software Engineer, Gen AI
Chicago or Peoria
$128k-$209k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Experience developing and deploying Gen AI solutions using Python, CI/CD, AWS, FastAPI and working with LLM frameworks; strong software design, testing, and collaboration skills.
Python, GitHub Actions, CloudFormation, LangChain, LangGraph, Semantic Kernel, Crew.ai, FastAPI, Apache Airflow, GoLang, React, SageMaker Studio, Lambda, API Gateway, RDS, Git
2w
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Senior Data Engineer
Peoria or Chicago
$113k-$183k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Extensive software development experience with Python, OOP, CI/CD, Git, AWS services, and relational/noSQL databases; strong decision-making and communication skills.
Python, Git, Jenkins, GitHub Actions, Azure DevOps, Bedrock, Lambda, Dynamo, Fargate, S3, Sagemaker, IAM, RDS, PostgreSQL, DynamoDB, MongoDB, Oracle
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Engineer IV, Embedded Software Developer (Peoria, IL, US, 61639)
Peoria, Illinois, United States
$112k-$133k/yr HybridFull Time
Komatsu
KomatsuTokyo Stock Exchange: 6301: Manufactures and services construction, mining, and industrial heavy machinery.
6+ YOEBachelor’s degree in engineering; 6+ years related experience; real-time Linux, C; schematics reading; documentation; risk analysis; debugging and testing.
Real-time OS, Linux, C programming, Oscilloscopes, Multimeter
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Embedded Software Engineer
Mossville or Chillicothe
$128k-$146k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
5+ YOEBachelor's in Computer/ Electrical/Computer Engineering or related and 5+ years embedded software experience; proficiency in C, MathWorks Simulink, GIT, CAN/CANape, Lauterbach; bench/lab testing and debugging experience.
C, MathWorks Simulink, Lauterbach, GIT, CAN, CANape
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Full Stack Developer
East Peoria or Nashville or Irving
$113k-$183k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
8+ YOEBachelor's/Master's in CS/Software Engineering or equivalent plus 8+ years experience; strong full‑stack skills with React.js/Next.js and Python; deep Microsoft Azure, CI/CD, containerization, IaC, and security expertise.
React.js, Next.js, Python, Microsoft Azure, Microsoft Azure Functions, Microsoft Azure App Services, Microsoft Azure DevOps, Microsoft Azure Monitor, Microsoft Application Insights, ARM templates, Bicep, Terraform, Docker, Kubernetes, Git, SvelteKit, Nuxt
2w
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Senior Autonomy Development Engineer
Mossville or Irving or Pittsburgh
$113k-$183k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Develop production-quality C/C++ autonomy software; participate in full SDLC; support validation, safety, and hardware/software integration; bachelor's in CS/Engineering or equivalent experience.
C, C++, ROS, Linux, CI/CD, Git, MATLAB/Simulink, AUTOSAR, CAN, Ethernet
2d
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Experienced AI Engineer - Generative AI/Machine Learning
Chicago or Tempe or Peoria or Peoria
$121k-$176k/yr HybridFull Time
RLI
RLINYSE: RLI: Specialty insurance carrier providing property, casualty, and surety solutions.
7+ YOEBachelor's in computer science or related, 7+ years software engineering, experience with cloud-native apps, LLMs/RAG/vector search, Python, Kubernetes, Docker, CI/CD, and enterprise integrations.
Python, Kubernetes, Docker, REST, LangGraph, LangChain, Azure AI Foundry, Retrieval-Augmented Generation (RAG), Large Language Models (LLMs), OCR, Git, GitLab, GitLab CI/CD, Infrastructure as Code (IaC)
2d
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Control Systems Senior Engineer
Mossville, Illinois, United States
$113k-$169k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Design, implement and test embedded electrohydraulic control software using MATLAB/Simulink/Stateflow and AUTOSAR; lead teams, perform MIL/SIL/HIL testing, and collaborate across functions.
MATLAB, Simulink, Stateflow, AUTOSAR, Model-in-the-Loop, Software-in-the-Loop, Hardware-in-the-Loop, Vector Network Interfaces, CANape, CANalyzer
1mo
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Senior Design Engineer - Drivetrain Controls
Mossville or East Peoria or Washington
$113k-$169k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Bachelor's in engineering required; experience in drivetrain controls, embedded software, NPI, simulation/validation, and test/data analysis; strong systems engineering, problem solving, and communication skills.
ATI Vision, CANape
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Senior Performance/ Simulation/ Application Engineer
Mossville or Chillicothe
$131k-$169k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
2+ YOEMaster's in engineering +2 yrs experience or Bachelor's +5 yrs; 1 yr validation of control models vs test data; software-in-the-loop setup; model integration; Git, MATLAB/Simulink, CANape, Python experience.
Dynasty, GT Suite, AMESim, Git, MATLAB, Simulink, CANape, Python
2mo
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Water/Wastewater Engineer - Project Manager
Normal or Peoria or Champaign or St. Louis
$91k-$149k/yr HybridFull Time
Farnsworth Group
Farnsworth Group: A nationally recognized architectural, engineering, and surveying firm that values growth, balance, and excellence.
8+ YOE8-15 years Water/Wastewater Process Engineering; PE license; BS Civil/Environmental; strong PM, comms; modeling software experience.
WaterCAD, InfoWater, EPANET, GPSx
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Autonomy Engineering Specialist
Mossville, Illinois, United States
$128k-$209k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Degree in Engineering/Computer Science/Materials Science required. Experience with software product design and architecture, C++ development, design reviews, test/validation, and robotics/autonomy preferred. Up to 10% travel; relocation and visa sponsorship available.
C++