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Prototype Engineer Jobs in Missouri (NOW HIRING)

Motivo Engineering, LLC

Mechanical Engineer

California, MO · On-site

$70 - $100/hr

... prototype builds. We have a history in successfully taking concepts through to actual finished ... We are passionate about solving complex engineering challenges, striving for excellence within ...

Nerdy

Product Design Engineer

Saint Louis, MO · On-site

$120K - $145K/yr

Entrepreneurial velocity - Move at founder speed, prototype in hours, and measure in real user ... Strong front-end engineering skills (React or similar), with a demonstrated eye for visual design ...

Jobgether

$99K - $119K/yr

As a Product Design Engineer, you'll combine product design and front-end engineering to take ideas ... You'll shape what is worth building, prototype rapidly, and personally turn strong concepts into ...

Nerdy

Product Design Engineer

Saint Louis, MO · On-site

$120K - $145K/yr

Entrepreneurial velocity - Move at founder speed, prototype in hours, and measure in real user ... Strong front-end engineering skills (React or similar), with a demonstrated eye for visual design ...

Brightli

Principal AI Engineer

Springfield, MO · On-site

Principal AI Engineer Location: Springfield, Missouri Department: Information Technology Employment ... You will create natural language-to-SQL solutions, design semantic data models, build prototypes ...

Nerdy

Product Engineer

Clayton, MO · On-site

Entrepreneurial velocity Move at founder speed, prototype in hours, and measure in real user ... Strong engineering skills in one or more areas: front-end, back-end, full-stack, systems, or ...

Brightli

Principal AI Engineer

Springfield, MO · On-site

Principal AI Engineer Location: Springfield, Missouri Department: Information Technology Employment ... This hands-on role develops natural language-to-SQL solutions, semantic data models, and prototype ...

Sorting Robotics Inc.

Robotics engineer

California, MO · On-site

$120 - $150/hr

Capability to iteratively design using prototyping tools eg. CAD, laser cutter, 3D printing, CNC ... Working knowledge of low level programming for 6DOF arms or other robotic systems. As you will be ...

Brightli

Principal AI Engineer

Springfield, MO · On-site

This hands-on role develops natural language-to-SQL solutions, semantic data models, and prototype ... Principal AI Engineer, LLM, Snowflake, Cortex AI, natural language to SQL, semantic data modeling ...

TASI Measurement

Electrical Engineer

California, MO · On-site

$95 - $112/hr

Develop and test breadboards, prototypes, and proof-of-concept circuits to validate designs and ... Create and maintain engineering documentation such as BOMs, schematics, PCB files, drawings, test ...

ITW Avery Weigh-Tronix

Embedded Software Engineer

MO · On-site

$123K - $162K/yr

... Prototype build and evaluation o Engineering documentation o Production transition • Work closely with electrical engineering during schematic review, component selection and prototype bring-up to ...

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Prototype Engineer information

See Missouri salary details

$27

$34

$36

How much do prototype engineer jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for prototype engineer in Missouri is $34.21, according to ZipRecruiter salary data. Most workers in this role earn between $32.26 and $36.06 per hour, depending on experience, location, and employer.

What is a prototype engineer?

A Prototype Engineer is a professional who designs, builds, and tests early versions of products or components to evaluate their functionality and performance before mass production. They collaborate with designers, engineers, and product managers to turn concepts into tangible prototypes, using a variety of fabrication techniques and materials. Their work helps identify potential design improvements, troubleshoot issues, and ensure that the final product meets technical and user requirements.

What does a prototype engineer do?

A prototype engineer is part of a product development team that designs prototypes for new kinds of industrial products. Many companies employ design engineers to perform numerous technical duties, such as drawing up schematics and blueprints, overseeing the production of prototypes, and testing those prototypes to decide whether they should enter mass production. The career requires significant educational qualifications and a variety of skills and experience. You should have an engineering degree in the field you wish to enter, strong analytical problem-solving, and the ability to work as part of a large team.

What are the key skills and qualifications needed to thrive as a prototype engineer, and why are they important?

To thrive as a Prototype Engineer, you need strong skills in mechanical or electrical engineering, rapid prototyping techniques, and a relevant engineering degree. Familiarity with CAD software, 3D printing technologies, and hands-on fabrication tools is typically required, along with knowledge of prototyping standards. Creativity, problem-solving, and effective communication are essential soft skills to excel in cross-functional teams and adapt to evolving project requirements. These abilities enable successful design iteration, effective collaboration, and efficient transition from concept to functional prototype.

What are some common challenges prototype engineers face when transitioning designs from concept to functional prototypes?

Prototype Engineers often encounter challenges such as interpreting incomplete or evolving design specifications, sourcing unconventional materials, and working within tight deadlines. Close collaboration with design, engineering, and manufacturing teams is essential to resolve technical issues quickly and ensure the prototype aligns with the intended functionality. Flexibility and creative problem-solving are key, as unexpected obstacles frequently arise during the rapid iteration and testing phases.
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Prototype Engineer jobs near you
Infographic showing various Prototype Engineer job openings in Missouri as of August 2026, with employment types broken down into 89% Full Time, 8% Part Time, and 3% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $71,164 per year, or $34.2 per hour.

Mechanical Engineer

Motivo Engineering, LLC

California, MO • On-site

$70 - $100/hr

Other

Retirement, PTO

Posted 4 days ago

Job description

About Motivo

Motivo is a project-based company delivering excellence in mechanical and electrical system design and prototype builds. We have a history in successfully taking concepts through to actual finished solutions. Our work spans a wide range of market segments including mobility/automotive, aerospace, robotics, and clean energy, to name a few. Every team member will experience a wide variety of challenging projects, offering rich opportunities for professional growth. We are passionate about solving complex engineering challenges, striving for excellence within every unique project constraint, and believe in having fun while we do it!

About the role

Motivo is looking to bring new Mechanical Engineering talent onto our project teams and contribute to the development of new, world-changing technologies.

  • An engineering role at Motivo means broad ownership and education. There are no cogs here. You’ll be responsible for ideation and feature definition, system-level design, client and vendor management, and hardware bring-ups. You’ll be the owner of your designs. You’ll have a seat at the table with CEOs/CTOs and have a voice to contribute to product strategy and viability. We are a premium engineering consultancy and our clients’ success depends on you actually voicing up and shaping the big picture.

Qualifications

  • Success at Motivo is largely driven by hard who, creativity, and collaboration. But some baseline experience we’re looking for involves mechanism design (planning, modeling, verification), hands-on skills (prototyping, fabrication, testing), and analysis (static, dynamic, thermal). Everyone has a mix of experience, which we value, but we tend to look closely for people who get excited to learn new things and expand their skillset. Show us what you’ve got and let’s talk!
Benefits

We’re convinced that the team and the projects are hands-down the best part of working at Motivo. To support that, we offer a solid benefits package including high-quality insurance, a 401(k) match, generous vacation time, and our Monday–Thursday 4/10 work week. We offer profit-sharing bonuses, which are tied to overall company performance, because we believe in winning together; we’re transparent about the company’s numbers, and when our hard work drives financial success, employees may share in the upside.

  • Base Salary Range: $70,000 - $100,000
  • Salary is dependent on experience, knowledge, and interview performance.
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