97 prototype jobs at 68 companies in Crystal Lake, IL

3mo
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Prototype Technician
Rockford, Illinois, United States
$24-$29/hr OnsiteFull Time
siffron
siffron: Designs and manufactures retail merchandising and display systems
3+ YOEFabrication, machining, welding; read drawings; set up shop equipment; work on prototypes; 3-5 years experience preferred.
Lathes, Mills, CNC, Press brake, Welding, CAD, Solidworks, Microsoft Office
1w
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Prototype Technician
Batavia, Illinois, United States
$24-$26/hr OnsiteFull Time
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.
CAD/SolidWorks, CNC, 3D printer, Word, Excel
4w
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Prototype Machinist
Wheeling, Illinois, United States
$25-$35/hr OnsiteFull Time
Dynomax
Dynomax: Manufacturer of high-precision components for aerospace and defense industries.
Interpret complex blueprints; perform manual and CNC milling/lathe and surface grinding; program/edit G-Code; experience with Heidenhain controls, fixture design, and machining aluminum, stainless steel, and plastics.
Vertical Milling, surface grinder, manual lathe, CNC programming, G-Code, Heidenhain Machine Control
2mo
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Testing and Prototyping Engineer (West Chicago, IL, US, 60185)
West Chicago, Illinois, United States
$66k-$79k/yr OnsiteFull Time
Owens Corning
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
1mo
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Senior Solutions Developer, Prototyping and Customer Engineering (PACE)
Seattle or Arlington or New York or Chicago or Dallas
$154k-$229k/yr OnsiteFull Time
Amazon
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.
AWS, Lambda, AWS Elastic Beanstalk, Kubernetes, CDK
2w
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Fall 2026 UX Design Intern
Chicago, Illinois, United States
OnsiteInternship
Grand Studio
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.
3w
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UX Designer (TEMPORARY)
Chicago or New York
$52-$69/hr HybridPart Time, Temporary
Hearst
Hearst: Provides diversified media, information, and business services worldwide.
Experience in UX design and research, information architecture, wireframing, prototyping, user testing; portfolio required; strong communication and presentation skills.
Figma, Miro, Adobe Suite, Optimal, User Testing
1mo
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Senior Product Designer
Menlo Park or New York City or Bellevue or Chicago or Denver or Lake Mary
$129k-$195k/yr HybridFull Time
Robinhood
RobinhoodNASDAQ: HOOD: Provides a commission-free platform for investing and financial services.
5+ YOE5+ years product design experience; fintech/consumer-facing; AI in workflow; strong design systems; prototyping/motion bonus.
Figma, Adobe Creative Suite, AI tools, Prototyping tools
1w
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Senior Software Engineer
Chicago or Peoria or Westminster or Irving or Cary
$113k-$183k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Hands-on software engineering with modern cloud-native patterns, APIs, AI-enabled capabilities, and ability to prototype and deliver production-ready solutions.
generative AI, LLMs, RAG, prompt engineering, AI-assisted development, automation, cloud-native services, APIs, microservices, vector databases, DevOps, observability tools
1w
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Front-end Developer (Creative Technology)
Chicago, Illinois, United States
$55k-$103k/yr OnsiteFull Time
Publicis Groupe
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.
HTML5, CSS3, JavaScript (ES6+), Git, Cursor, Figma, Adobe Creative Suite, Canva, GSAP, Python, Bash, Snowflake
2mo
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Product Designer
Chicago, Illinois, United States
$100k-$130k/yr HybridFull Time
AwardSpring
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
3d
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Principal Experience Designer
Austin or California or Carlsbad or Chicago
$107k-$170k/yr OnsiteFull Time
Zynga
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.
Figma, Unity, Adobe Creative Suite
1mo
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Mechanical Design Engineer
Naperville, Illinois, United States
$65k-$85k/yr OnsiteFull Time
viaPhoton
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.
SolidWorks, CAD
2mo
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Senior Mechanical Engineer
Bartlett, Illinois, United States
$90k-$130k/yr OnsiteFull Time
Matrix Design
Matrix DesignNASDAQ: ARLP: Designs and builds custom robotic automation systems for industrial manufacturers.
7+ YOESenior Mechanical Engineer with 7+ years in mechanical design, CAD, robotics/automation; BS in Mechanical Eng; CAD proficiency; prototyping/testing; on-site installation experience.
SolidWorks, CREO, Autodesk Inventor, CAD
1mo
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Design Lead
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/yr OnsiteFull Time
Accenture
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.
6d
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Principal, Product Design – Search
Seattle or New York City or San Jose or San Francisco or Los Angeles or Austin or Chicago
$224k-$314k/yr OnsiteFull Time
Expedia Group
Expedia GroupNASDAQ: EXPE: Operates a global platform for travel bookings and services.
12+ YOE12+ years product design experience with 4+ years leading teams; expertise in search, AI/ML, conversational design; strong communication, prototyping, and systems-thinking skills.
Figma, Cursor, LLMs
1w
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Lead Game Designer
San Francisco or New York City or Los Angeles or Seattle or Boston or Washington or Austin or Denver or Nashville or Atlanta or Chicago or Dallas or Miami or United States
$101k-$169k/yr OnsiteFull Time
Mob Entertainment
Mob Entertainment: Develops original horror video games and transmedia entertainment content.
8+ YOE8+ years game design experience with lead roles on shipped titles; strong prototyping in Unreal/Blueprints; systems, progression, balancing expertise; excellent communication and leadership skills.
Blueprints, Unreal Engine
2w
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Experience Design Senior Associate
Chicago, Illinois, United States
$105k-$150k/yr OnsiteFull Time
JPMorgan Chase
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
2w
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Junior Quantitative Developer & Strategist
Chicago, Illinois, United States
$145k/yr OnsiteFull Time
Akuna Capital
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.
Python
1mo
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Senior User Experience Designer
Austin or Chicago or Dallas or Kansas City or Lincoln or Omaha or Phoenix
$112k-$187k/yr HybridFull Time
Hudl
Hudl: Providing performance analysis and video tools for sports teams.
Senior UX designer with strong communication, product leadership, iterative prototyping, research-informed design, proficiency with component-based design tools and collaboration across product and engineering.
Figma, Adobe Creative Suite, Miro, Uniform design system