40 sr software engineer jobs at 13 companies in Chillicothe, IL

1d
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Sr. Software Engineer (.Net Full Stack)
Peoria or Tempe or Alpharetta or Peoria
$96k-$138k/yr HybridFull Time
RLI
RLINYSE: RLI: Specialty insurance carrier providing property, casualty, and surety solutions.
8+ YOE8+ years software development experience; strong C#/.NET full‑stack skills with Blazor, REST APIs, microservices; experience with MongoDB, Microsoft SQL Server, Kafka, Git, CI/CD and AI-assisted development tools.
C#, .NET, Blazor, Razor, HTML5, CSS3, JavaScript, MongoDB, Microsoft SQL Server, Kafka, Git, CI/CD, GitHub Copilot, ChatGPT, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG)
5d
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Lead Software Engineer
Bloomington or Tempe or Richardson or Dunwoody
$110k-$142k/yr HybridFull Time
State Farm
State Farm: Provides insurance policies and financial services to consumers.
Full‑stack engineering with TypeScript/Angular front-end and Java/Go back-end, AWS/ROSA experience, strong software engineering practices, Agile experience, leadership/mentorship, product and quality orientation.
Angular, TypeScript, Java, Go, AWS, ROSA, SQL, NoSQL, Linux
1mo
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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
5d
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Lead Software Engineer
Bloomington or Tempe or Richardson or Dunwoody
$110k-$142k/yr HybridFull Time
State Farm
State Farm: Provider of auto, home, life, and health insurance.
Full-stack engineering with front-end and back-end capabilities; experience with customer-facing applications, AWS/ROSA, TypeScript/Angular, Java/Go, SQL/NoSQL, Linux, CI/CD, and leadership or mentorship experience.
AWS, ROSA, TypeScript, Angular, Java, Go, SQL, NoSQL, Linux, CI/CD
1mo
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Sr. Software Engineer, Full-Stack (Factory Systems)
Palo Alto or Irvine or Normal
$147k-$184k/yr OnsiteFull Time
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture developing software, connectivity, and cloud solutions for electric vehicles.
7+ YOE7+ years full-stack development; frontend with React and TypeScript; backend experience in Golang/Node.js/Python; RESTful API design; SQL/NoSQL; cloud (AWS/Azure/GCP); stream processing and message queues (Kafka, NATS, RabbitMQ); Agile experience.
React, TypeScript, HTML, CSS, Redux, Vuex, Jest, Cypress, Golang, Node.js, Python, SQL, NoSQL, AWS, Azure, GCP, Kafka, NATS, RabbitMQ, OPC UA, EthernetIP, Modbus, MQTT, Scrum, Kanban
2mo
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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
2mo
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Structural Engineer
Peoria, Illinois, United States
$97k-$125k/yr OnsiteFull Time
Dewberry
Dewberry: Provides engineering, architecture, and consulting for infrastructure and environments.
5+ YOEBachelor's in civil/structural engineering, SE license in Illinois (or reciprocity within 1 year), 5+ years structural experience, project management, Revit/AutoCAD and structural software familiarity, MS Office proficiency.
Revit, AutoCAD, RAM, RAM Elements, STAAD, Enercalc, TEDDS, Tekla, MS Office
22h
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Systems Engineer
Chillicothe, Illinois, United States
$92k-$97k/yr OnsiteFull Time
Cintal
Cintal: Provides engineering design and product validation for industrial machinery.
5+ YOEBachelor's degree in engineering,5+ years relevant experience,requirements development,system architecture, sensor and software integration,experience with CAN/Ethernet,CANape,Wireshark,Azure DevOps,git,ROS,and FMEA processes.
CAN, Ethernet, CANape, Wireshark, Azure DevOps, git, ROS
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
1mo
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Prin Systems Developer
Sun Prairie or Lakeville or Mankato or Bloomington
$119k-$180k/yr HybridFull Time
Compeer Financial
Compeer Financial: Provides financial services and crop insurance to agricultural producers.
12+ YOEBachelor's degree or equivalent and 12+ years developing enterprise applications; advanced knowledge of Microsoft .Net, JavaScript, C#, and MS SQL; experience with application lifecycle, testing, code review, and mentoring.
Microsoft .Net, JavaScript, C#, MS SQL
3mo
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Full Stack Engineer, Senior
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yr HybridFull Time
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
1w
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Staff AI Engineer, Enterprise Applied AI
Palo Alto or Irvine or Normal or Plymouth or Atlanta
$173k-$258k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
8+ YOE8+ years software engineering experience, BS/MS/PhD or equivalent, deep AI/ML expertise with language models, retrieval/embeddings, enterprise production deployments, security/compliance familiarity, strong communication.
1w
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Senior API Integration Developer
Bloomington, Illinois, United States
$113k-$156k/yr HybridFull Time
COUNTRY Financial
COUNTRY Financial: Provides insurance and financial services for individuals and businesses.
7+ YOE7+ years integration experience with MuleSoft and Azure APIM, strong API design, DataWeave/JSON/XML/SQL skills, CI/CD and production support experience.
Mule 4, Anypoint Platform, CloudHub 2.0, DataWeave, RAML, OpenAPI, REST, SOAP, JSON, XML, SQL, Azure API Management, Azure Functions, Logic Apps, App Services, Service Bus, Key Vault, CI/CD, Git, Splunk, Dynatrace, Azure Monitor, Application Insights, MuleSoft Anypoint Monitoring, MUnit, OAuth 2.0, OpenID Connect, JWT
1mo
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Project Manager
Springfield or Rockford or Peoria or Naperville
$120k-$160k/yr FieldFull Time
William Charles Construction
William Charles ConstructionNYSE: MTZ: Heavy civil and electrical infrastructure construction services.
5+ YOE5+ years project management experience in roadway/highway concrete and paving; bachelor's in construction management or civil engineering preferred; OSHA 30; proficiency with estimating, scheduling, and construction software.
HCSS, B2W, P-6, Microsoft Project, HCSS Heavyjob, Procore, Vista Viewpoint, Viewpoint
1mo
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Construction Project Manager
Springfield or Rockford or Peoria or Naperville
$120k-$160k/yr FieldFull Time
MasTec
MasTecNYSE: MTZ: Infrastructure construction and engineering services provider.
5+ YOE5+ years project management experience in road/highway projects, knowledge of estimating/scheduling software, OSHA 30, bachelor's in construction management/civil engineering preferred, ability to manage budgets, contracts, subcontractors, and field operations.
HCSS, B2W, P-6, Microsoft Project, HCSS Heavyjob, Procore, Vista Viewpoint

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