91 prototype jobs at 65 companies in Downers Grove, IL
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Prototype Machinist
Wheeling, Illinois, United States
$25-$35/hrOnsiteFull Time
Dynomax: Manufacturer of high-precision components for aerospace and defense industries.
Experience in manual and CNC machining, vertical milling, surface grinder, manual lathe, complex blueprint interpretation, fixture design, and ability to program or edit G-Code; Heidenhain experience a plus.
Suncast: Manufactures resin home storage products and outdoor solutions.
CAD/SolidWorks experience required; hands-on fabrication, painting, sanding, 3D printing, and workshop skills; ability to lift up to 50 lbs and follow MSDS; associate degree preferred.
Koch Inc.: Operates global manufacturing, refining, and industrial technology businesses.
5+ YOEBachelor's in business/engineering/CS or related, 5+ years portfolio and operations/manufacturing experience, cross-functional experience in global matrixed org, PMP preferred.
Testing and Prototyping Engineer (West Chicago, IL, US, 60185)
West Chicago, Illinois, United States
$66k-$79k/yrOnsiteFull Time
Owens CorningNYSE: OC: Manufactures building insulation, roofing, and fiberglass composites.
2+ YOEBachelor's in mechanical/materials/manufacturing/industrial engineering; hands-on lab/prototype work; strong communication; willingness to learn across materials and testing methods.
Excel, PowerPoint, data analysis software, 3D CAD software
Senior Solutions Developer, Prototyping and Customer Engineering (PACE)
Seattle or Arlington or New York or Chicago or Dallas
$154k-$229k/yrOnsiteFull Time
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
8+ YOE8+ years technology domain experience, 3+ years design/implementation/consulting, hands-on development/architecture, prototyping with AWS services, strong communication and mentoring skills.
QAD: Provides cloud-based enterprise resource planning and supply chain software.
Deep experience with AI agents/LLMs, enterprise solution architecture, customer-facing workshops, prototyping, and integration with ERPs and enterprise data.
Photon: Provides UX and UI design services for digital products.
Design and prototype user-centered interfaces, conduct usability testing, collaborate with engineers and product managers, and maintain a cohesive design system.
Sketch, Adobe XD, Illustrator, Photoshop, InVision, Axure, Framer, Principle, Figma, Abstract, Microsoft Teams
Grand Studio: Strategic design consultancy specializing in digital products and services.
Student or early-career designer with a portfolio showing digital product work, familiarity with design thinking and prototyping, collaboration and eagerness to learn.
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
3+ YOE3–5 years experience with HTML5,CSS3,JavaScript (ES6+) and Git; prototyping with Cursor,Figma,Adobe or Canva; debugging and troubleshooting; bachelor's or equivalent.
AwardSpring: Software platform simplifying scholarship management for educational institutions.
3+ YOE3+ years product design, production-ready work, portfolio showing interaction/system thinking; experience with AI prototyping tools and agentic development.
Claude Code, Cursor, AI prototyping tools, Agentic tooling
Zynga: Develops and publishes social and mobile video games globally.
6+ YOE6+ years UX experience in game development with mobile prototyping, experience across multiple shipped titles, ability to lead UX process and mentor others.
Andromeda Technology Solutions: Provides managed IT and building security services for businesses.
Build internal AI tools and prototypes, work with APIs and MCP servers, connect systems, demonstrate programming and integration experience, and pass drug screen and hands-on testing.
Brooklyn or Milwaukee or Dallas or Columbus or Kirkland or New York or Cincinnati or Oklahoma City or Cleveland or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Beaverton or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Detroit or Beaverton or Nashville or Los Angeles or San Diego
$68k-$220k/yrOnsiteFull Time
AccentureNYSE: ACN: Global provider of management consulting and technology services.
Portfolio of digital product design work; strong visual, UX/UI, prototyping, collaboration, communication, and presentation skills; ability to iterate and execute across product phases.
viaPhoton: Manufacturer of custom-engineered fiber optic solutions for data centers.
Bachelor's degree in Mechanical Engineering (or related), proficiency in SolidWorks/CAD, experience with product design, prototyping, FEA and BOM/cost analysis, strong communication and self-direction.
Akuna Capital: Proprietary trading firm providing liquidity in global options markets.
Degree in a technical field required, strong Python and OOP skills, exposure to linear algebra/statistics, ability to prototype production code; legal U.S. work authorization required.
Wheels: Provides comprehensive fleet management and vehicle leasing solutions.
2+ YOEBachelor's in STEM or business, 2+ years product/technical experience, experience with AI agents and prototyping preferred, strong product discovery, requirements writing, and engineering collaboration skills.
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
3+ YOE3+ years UX design experience for digital products, proficiency with Figma, VS Code, Copilot and Claude tools, strong prototyping, IA, accessibility and inclusive design skills.
Figma, VS Code, Claude Code, Claude, Cursor, Microsoft Copilot, Figma Make