66 prototype engineer jobs at 33 companies in Lacey, WA
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Mechanical Engineer
Seattle, Washington, United States
$95k-$145k/yrOnsiteFull Time
Vale: Automated robotic kiosks for on-demand specialty beverage retail.
4+ YOE4+ years mechanical engineering experience in product development, proficiency with SolidWorks or CATIA, DFM/GD&T and manufacturing processes, hands-on prototyping/3D printing, legally authorized to work in the U.S.
Deako: Sells modular smart lighting control systems for new homes.
3+ YOEBachelors in Electrical Engineering (or related) and 3+ years in embedded systems for lighting/appliance controls; expertise in C, PCB design, sensors, analog/digital circuits, EMI/EMC troubleshooting, and prototype testing.
C, C++, Eclipse, Python, Microsoft Excel, Google Sheets, Google Workspace, Draw.io, Claude CLI, Altium Designer, Arduino, Raspberry Pi, Atmel, STM32, UART, I2C, digital multimeter, oscilloscope, spectrum analyzer
Digital Control: Develops and manufactures underground locating systems for horizontal drilling.
3+ YOEBachelor's in mechanical engineering, 3+ years in electronic product design or manufacturing, electromechanical component and system design, hands-on prototyping/troubleshooting, solid modeling and GD&T proficiency, strong problem-solving and communication.
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOEBS in engineering, 5+ years mechanical design experience focused on tooling/fixtures/GSE, hands-on prototyping and testing, proficiency with Creo and Windchill, GD&T (ASME Y14.5), structural analysis, and manufacturing processes.
Kickmaker: Industrialization and engineering services for high-tech hardware development.
5+ YOE5+ years relevant experience; electronics hardware development including schematic/layout, prototyping, manufacturing documentation, EMC/certification support, supplier/EMS consultation, and testing with lab equipment.
Contract Senior Mechanical Design Engineer for Robotics Project
Seattle, Washington, United States
$70-$125/hrOnsiteContract, Full Time
Simplexity Product Development: Engineering services for complex mechatronics and medical devices.
8+ YOEBS in Mechanical Engineering, 8+ years engineering experience, robotics/mechanism and electronics packaging experience, SolidWorks proficiency, strong GD&T and manufacturing knowledge, ability to prototype and work onsite with clients.
SolidWorks, CAD PDM, ASME Y14.5, GD&T, Finite Element Analysis (FEA), Computation Flow Dynamics, 3D CAD
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Design mechanical systems for robotics and automation, prototype to reliability testing, define interfaces and tolerances, instrument testing, collaborate with controls/software; end-effector, GD&T and DFM experience a plus.
El Segundo or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$130k-$160k/yrOnsiteFull Time
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
3+ YOEBachelor's degree in engineering or CS, 3+ years I&T or embedded systems experience, hands-on prototype hardware skills, experience with embedded subsystems (GPS, telemetry, flight controllers), Python/C/C++, test automation, and protocol familiarity (MAVLink, CAN, UART, SPI, I2C).
Magnolia Medical Technologies: Produces medical devices to eliminate blood culture contamination.
3+ YOEExpert in high-volume injection-molded plastics design; mechanisms and seals; prototyping; Solidworks or similar CAD; fluidics/microfluidics; RCA; LabVIEW; Python/C/C++; on-site Seattle work; 5+ years (mid) to 8+ years (senior).
AdobeNASDAQ: ADBE: Provides software for digital media creation and marketing analytics
5+ YOEMS or higher in CS/ML; 5+ years in senior research/engineering; GenAI multimodal experience; rapid prototyping; bridge research to product; strong collaboration.
Seattle or Los Angeles or Washington or Studio City
$111k-$153k/yrRemoteFull Time
Conservation X Labs: Develops technology and innovation to prevent human-induced mass extinction
5+ YOEBachelor's or Master's in EE/ME/CS (or portfolio), 5+ years hardware product development, embedded prototyping, PCB design, firmware and low-power systems, Python/C/C++/Bash expertise, manufacturing/DFM experience, ability to travel for fieldwork.
KOMODO: Official distributor of Steam Deck and publisher of original games.
Strong C++ and Unreal Engine experience, gameplay systems and prototype development, clean maintainable code, teamwork and strong English communication; multiplayer/networking and optimization preferred.
Auger: AI-powered autonomous operating system for global supply chain management.
4+ YOE4+ years building production UIs at the design-engineering intersection. Bachelor\u0002s in CS/HCI/Design, proficiency with React/JavaScript/TypeScript/CSS, Azure experience, accessibility expertise, strong communication and prototyping judgment.
Algas-SDI: Designs and manufactures industrial fuel gas equipment and systems.
3+ YOEBachelor's in engineering, 3+ years R&D/product development experience, SolidWorks proficiency, hands-on prototype build and testing experience, strong engineering fundamentals and documentation skills.
Grow Therapy: Platform connecting mental health providers with patients and insurance.
5+ YOE5+ years frontend or UX engineering experience; strong visual design judgment; fluent in JavaScript/TypeScript, Next.js, React, and CSS; knowledge of accessibility (WCAG) and web performance; strong prototyping and collaboration skills.
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
7+ YOEBachelor's degree or equivalent,7+ years in machine learning/computer vision,experience shipping ML models to production,and prototyping expertise in areas such as SLAM, sensor fusion,3D reconstruction,segmentation.
Anthropic: Developing safe and reliable artificial intelligence systems.
Proficiency in Python, experience building/maintaining data pipelines, working with LLMs and agentic systems, strong data analysis, and ability to move between research prototypes and production code; bachelor’s degree or equivalent.