645 developer jobs at 315 companies in Lena, IL

1d
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Embedded Software Engineer, Displays
Dubuque, Iowa, United States
$75k-$112k/yr OnsiteFull Time
John Deere
John DeereNYSE: DE: Manufactures and distributes agricultural, construction, and forestry equipment.
Experience in embedded software development, Linux and C++ development, Agile practices, strong communication and collaboration skills; bachelor’s degree in related field preferred.
Linux, C++, Qt/QML, OpenGL, CAN, J1939, TCP, UDP, MQTT, DHCP, HTTP, GitHub, GNSS
3mo
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Front-End Designer & Developer
Madison, Wisconsin, United States
OnsiteFull Time
Usona Institute
Usona Institute: Non-profit medical research organization developing psychedelic therapies.
4+ YOE4–6+ years in front-end development and UI/UX design; HTML5, CSS3/Sass, JavaScript; React; Tailwind; WordPress; CraftCMS; Sitecore; Figma; design systems; UX; cross-functional collaboration.
HTML5, CSS3, Sass, JavaScript, React, Tailwind, WordPress, CraftCMS, Sitecore, Figma
11h
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Embedded Software Engineer, Displays
Dubuque, Iowa, United States
$75k-$112k/yr OnsiteFull Time
John Deere
John DeereNYSE: DE: Manufactures agricultural, construction, and forestry machinery and equipment.
Experienced in embedded Linux software development using C++ in Agile teams; familiarity with display software, networking protocols, and real-time systems; bachelor's degree or equivalent preferred.
Linux, C++, Qt/QML, OpenGL, CAN, J1939, TCP, UDP, MQTT, DHCP, HTTP, GitHub
1mo
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Software Engineer – Test Equipment (Onsite)
Rockford, Illinois, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOEU.S. citizenship required. STEM degree (Bachelors with 5+ yrs or Advanced Degree with 3+ yrs). Experience developing software that interfaces with hardware-based test/HIL/ATE systems; Python, C++, TCL/Bash, Linux/Windows; configuration management and OOD.
Python, TCL, C++, Bash, LabVIEW, Linux, Windows, Automatic Test Equipment (ATE), Hardware-in-the-Loop (HIL)
4d
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Software Developer II
Janesville, Wisconsin, United States
OnsiteFull Time
Data Dimensions
Data Dimensions: Digitizes and automates paper-intensive business processes and document workflows.
5+ YOEAssociate degree plus 5 years related experience (or equivalent); knowledge of networking, SDLC, Microsoft technologies, Visual Studio, C#, .NET; strong communication and problem-solving skills.
Microsoft Visual Studio, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Windows API, C#, .Net, Microsoft SQL Server, SQL Management Studio, Python, PHP
1mo
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Senior Web/App Engineer
Janesville, Wisconsin, United States
$118k-$142k/yr OnsiteFull Time
Blain's Farm & Fleet
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.
Java, C#, Python, JavaScript, Adobe, Oracle
2w
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Enterprise Systems Developer
Rockford, Illinois, United States
$71k-$75k/yr HybridFull Time
Rock Valley College
Rock Valley College: Provides associate degrees and technical certificates to students.
3+ YOEBachelor's degree in IT (or Associate + 5 years) and 3+ years enterprise-level programming experience; experience with ERP/SIS, SQL/PostgreSQL, Microsoft Access, GitHub, JavaScript, C#, Python, ETHOS Integration; strong communication and analytical skills.
ERP/SIS, Ellucian, Colleague, Banner, PeopleSoft, Jenzabar, SQL, PostgreSQL, Microsoft Access, ETHOS Integration, GitHub, JavaScript, C#, Python, EastAPI
1mo
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DevOps Engineer
Verona, Wisconsin, United States
OnsiteFull Time
Extreme Engineering Solutions
Extreme Engineering Solutions: Designs and manufactures rugged embedded computing for extreme environments.
Bachelor’s degree in computer science or engineering; strong Python; Docker and Kubernetes experience; CI/CD tools; LLM workflows familiarity; Git; onsite at Verona, WI.
Python, Docker, Kubernetes, Jenkins, Travis CI, GitLab CI, Git
1mo
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Acculynx - UI Engineer
Beloit, Wisconsin, United States
OnsiteFull Time
AccuLynx
AccuLynx: Business management software for roofing and exterior contractors.
3+ YOE3+ years experience; strong HTML5, CSS3, CSS preprocessors, JavaScript; experience with Vue, React, or Angular; responsive design (Bootstrap); Agile familiarity; accessibility and performance awareness.
HTML5, CSS3, CSS Preprocessors, JavaScript, Bootstrap, Vue, React, Angular
3w
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Materials Engineer
Freeport, Illinois, United States
$90k-$100k/yr OnsiteFull Time
Danfoss
Danfoss: Engineers energy-efficient solutions for refrigeration, heating, and hydraulics.
3+ YOEBachelor's in Materials Science/Metallurgy/Materials Engineering, 3+ years as a materials/metallurgical engineer, expertise in ferrous alloys, heat treatment, failure analysis, and use of metallurgical lab equipment; strong problem-solving and collaboration skills.
metallurgical lab equipment, microscopy, hardness testing, spectrometry
2mo
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Staff Engineer
Rochelle, Illinois, United States
$70k-$85k/yr OnsiteFull Time
Trilon Group
Trilon Group: Providing engineering and design services for community infrastructure.
Staff Engineer with civil/municipal/land development or environmental engineering experience; onsite in IL offices.
2mo
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Software Developer 2
Monroe, Wisconsin, United States
OnsiteFull Time
Colony Brands
Colony Brands: Operates multi-channel retail brands and catalog sales for consumer products.
5+ YOEBS or equivalent, 5+ years software development experience, 3+ years with .NET Core/C#, REST APIs, microservices, MySQL/Dynamo, Azure DevOps, Git, AWS; strong problem solving, Agile collaboration, and mentoring ability.
.NET Core, C#, RESTful API, Python, microservices, MySQL, Dynamo, Azure DevOps, Azure Pipelines, Git, AWS, CI/CD
1mo
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Staff Software Engineer - Full Stack (React, Node)
Pune or San Francisco or Atlanta or Boston or Chicago or Dubuque or Dallas
OnsiteFull Time
OpenGov
OpenGov: Provides enterprise resource planning software to local government agencies.
10+ YOE10+ years full-stack experience with JavaScript/TypeScript, React and Node.js; experience building APIs, database models (SQL/NoSQL), event-driven systems, AI-powered features, and using AI-assisted dev tools.
JavaScript, TypeScript, React, Node.js, Ember.js, GraphQL, REST, PostgreSQL, MongoDB, AWS, Azure, Kubernetes, Docker, GitHub, Claude Code, Cursor, Copilot
1mo
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Channel Developer On-Premise
Rockford, Illinois, United States
$65k-$80k/yr OnsiteFull Time
Enthuse Marketing
Enthuse Marketing: Experiential marketing agency providing brand education and field sales.
3+ YOEChannel development in on-premise beverage alcohol; 3+ years Bev/Alcohol Industry experience; strong communication and negotiation; remote work ability; some travel; bilingual a plus.
4d
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Quality Engineer
Rockford, Illinois, United States
$75k-$90k/yr OnsiteFull Time
Innovative Aerosystems
Innovative AerosystemsNASDAQ: ISSC: Designs and manufactures advanced avionics and flight navigation systems.
5+ YOEEnsure product and process quality across programs, investigate customer concerns, lead root-cause/corrective actions, perform audits, and develop PPAP/MSA documentation.
ISO9001, AS9102, AS9100, GD&T, Production Part Approval Process (PPAP), MSA
3mo
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Mobile Engineer
Madison, Wisconsin, United States
HybridFull Time
Sub-Zero Group
Sub-Zero Group: Manufactures premium luxury kitchen refrigeration and cooking appliances.
3+ YOE3-5 years mobile development; 2+ years Flutter/Dart; RESTful APIs; cross-platform mobile app experience; UI/UX consistency; data modeling and database knowledge.
Flutter, Dart, RESTful APIs, Microsoft Dynamics CRM, Web-based CMS
2mo
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Product Engineer
DeForest, Wisconsin, United States
OnsiteFull Time
Demco
Demco: Supplier of furniture, supplies, and technology for schools and libraries.
5+ YOEBachelor's degree in Mechanical Engineering; 5+ years in product/design/development engineering; 3D CAD (SolidWorks) proficiency; knowledge of materials, manufacturing, and quality standards; furniture/wood manufacturing experience a plus.
SolidWorks, CAD
1d
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Manufacturing Engineer
Janesville, Wisconsin, United States
OnsiteFull Time
Koch Inc.
Koch Inc.: Operates global manufacturing, refining, and industrial technology businesses.
4+ YOEDevelop asset strategies, lead reliability and root-cause analysis, support equipment troubleshooting and optimization; bachelor\u0002s or 4 years manufacturing experience; Microsoft Office proficiency; legal U.S. work authorization required.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft Project
1mo
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Manufacturing Engineer
Beloit, Wisconsin, United States
OnsiteFull Time
Fairbanks Morse Defense
Fairbanks Morse Defense: Provides naval power and propulsion systems to defense fleets.
Associate degree in manufacturing/industrial/mechanical engineering or technical field; machining and precision manufacturing experience; strong problem-solving, communication, and attention to detail; ability to develop processes, tooling, and CNC programs. US citizenship required (NOFORN).
CNC
3w
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Supplier Development Engineer
Loves Park or Rockford or Belvidere
OnsiteFull Time
Octave Group
Octave Group: Operates interactive music and entertainment platforms for social venues.
3+ YOEBachelor's in engineering/related field required; 3+ years supplier development/quality/sourcing/manufacturing experience; experience with machined, fabricated, or electromechanical suppliers; knowledge of drawings, tolerances, PPAP/APQP, 8D/CAPA, FMEA, control plans, first-article validation; authorized to work in the U.S.
8D, CAPA, FMEA, Control plans, PPAP, APQP, First article