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61 sr software engineer jobs at 13 companies in Peoria, IL

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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)
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1w
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Sr Software Engineer - Positioning and Controls
Mossville, Illinois, United States
$113k-$169k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction and mining equipment, engines, and gas turbines.
Experience developing positioning and control algorithms using Matlab/Simulink and C++; experience with IMU, GNSS or laser receivers, Kalman filters, and real-time embedded control systems; strong analytical and communication skills.
Matlab, Simulink, C++, IMU, GNSS, UTS, Kalman Filter
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1w
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Sr Software Engineer - Positioning and Controls
Mossville, Illinois, United States
$113k-$169k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Expertise in Matlab/Simulink and C++, experience with positioning sensors (GNSS, IMU, UTS) and Kalman filters, development of real-time embedded control systems, strong analytical and communication skills.
Matlab, Simulink, C++, GNSS, IMU, UTS, Kalman Filters
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1d
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Embedded Software Engineer
Mossville, Illinois, United States
$61/hr OnsiteContract
Belcan
Belcan: Provides engineering and technical staffing solutions for global industries.
6+ YOEBachelor's degree in computer science, software engineering, or a relevant field; 6–7 years of experience, or a master's degree with 5 years of industry experience; C or C++ programming experience.
C, C++, SQL
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2mo
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(AI Experienced) Software Engineer/Lead Software Engineer
Bloomington or Dunwoody or Richardson or Tempe
$78k-$159k/yr HybridFull Time
State Farm
State Farm: Provider of auto, home, life, and health insurance.
Experience with Python, Terraform, cloud architecture (AWS), DevSecOps, AI/GenAI/LLM integration, frontend (TypeScript/Angular) and backend (Go) development; strong data and ML workflow familiarity.
Python, Terraform, APIs, JSON, React, AWS, Lambda, EC2, SQS, S3, Cloudfront, API gateway, SNS, Sagemaker, TypeScript, Angular, Go
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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
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Sr. Technical Support Engineer
Peoria, Illinois, United States
OnsiteFull Time
Komatsu
KomatsuTokyo Stock Exchange: 6301: Manufactures and services construction, mining, and industrial heavy machinery.
8+ YOEBachelor's degree in engineering or technical discipline and 8+ years with mining trucks, or equivalent advanced practical experience. Requires root cause analysis, technical communication, computer software proficiency, and 20–30% international travel.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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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
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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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1d
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Senior Embedded C++ Engineer – Robotics & Autonomous Systems
Chillicothe or Mossville
$90k-$125k/yr OnsiteFull Time
Cintal
Cintal: Provides engineering design and product validation for industrial machinery.
6+ YOEBachelor's degree in computer science, software engineering, or a relevant field; 6–7 years of experience; strong C/C++ skills; Git, debuggers, compilers, C Test, Google Test, CAN, and Ethernet experience.
C++, Linux, GitHub, Git, C, debuggers, compilers, C Test, Google Test (GTest), CAN, Ethernet, GStreamer, Detect sensors
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2mo
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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
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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
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1mo
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Mainframe Developer (Chicago, IL, US)
Bloomington or Chicago
$90k-$97k/yr OnsiteFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
10+ YOEStrong experience with mainframe technologies (PL/I, IMSDB, DB2, JCL, SORT), 10+ years preferred, health insurance domain experience, development and production support, SAS/REXX, debugging with IDB/IDZ, Git, Agile, Control-M, REST APIs/MQ.
PL/1, PL/I, IMSDB, DB2, JCL, SORT, COBOL, SAS, REXX, VSAM, IDB, IDZ, GIT, Git, CI/CD, Pipeline, Control-M, Webservices, REST API, JSON, MQ, AWS
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2w
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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
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5d
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Senior Project Manager - Municipal Engineering
East Peoria, Illinois, United States
$145k-$165k/yr OnsiteFull Time
Trilon Group
Trilon Group: Providing engineering and design services for community infrastructure.
10+ YOERequires a bachelor's or master's degree in civil engineering or a related field, 10 years of project management experience, and a professional engineer license. Business development, client management, design, and engineering software skills preferred.
CAD
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