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Contract Prototype Design Jobs (NOW HIRING)

Sr. Prototyping Engineer

Hickory, NC

$93.60K - $128.50K/yr

Deliver prototype design to Technology Teams for further development and testing or to ... Create and leverage large network of suppliers, fabrication shops, contract manufacturers and Cable ...

Sr. Prototyping Engineer

Hickory, NC

$93.60K - $128.50K/yr

Deliver prototype design to Technology Teams for further development and testing or to ... Create and leverage large network of suppliers, fabrication shops, contract manufacturers and Cable ...

Sr. Prototyping Engineer

Hickory, NC

$93.60K - $128.50K/yr

... Deliver prototype design to Technology Teams for further development and testing or to ... contract manufacturers and Cable Assembly Houses to design, build and deliver prototypes. • ...

Sr. Prototyping Engineer

Hickory, NC · On-site

$93.60K - $128.50K/yr

... Deliver prototype design to Technology Teams for further development and testing or to ... contract manufacturers and Cable Assembly Houses to design, build and deliver prototypes. • ...

Sr. Prototyping Engineer

Hickory, NC · On-site

$93.60K - $128.50K/yr

... Deliver prototype design to Technology Teams for further development and testing or to ... contract manufacturers and Cable Assembly Houses to design, build and deliver prototypes. • ...

Sr. Prototyping Engineer

Hickory, NC

$93.60K - $128.50K/yr

... Deliver prototype design to Technology Teams for further development and testing or to ... contract manufacturers and Cable Assembly Houses to design, build and deliver prototypes. • ...

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Contract Prototype Design information

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$15

$26

$50

How much do contract prototype design jobs pay per hour?

As of Jun 4, 2026, the average hourly pay for contract prototype design in the United States is $26.11, according to ZipRecruiter salary data. Most workers in this role earn between $20.19 and $27.64 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Contract Prototype Designer, and why are they important?

To thrive as a Contract Prototype Designer, you need strong skills in product design, rapid prototyping, CAD modeling, and a relevant technical degree or equivalent experience. Familiarity with 3D modeling software (such as SolidWorks or AutoCAD), prototyping tools, and knowledge of manufacturing processes are typically required. Creativity, problem-solving ability, and effective communication help you stand out when working with clients and multidisciplinary teams. These skills are crucial for efficiently turning concepts into functional prototypes that meet client specifications and project timelines.

What are some typical challenges faced by professionals in Contract Prototype Design, and how can they be managed effectively?

Professionals in Contract Prototype Design often face challenges such as rapidly changing client requirements, tight deadlines, and the need to balance creativity with functionality. Managing these challenges typically involves clear communication with clients to clarify expectations, iterative prototyping to incorporate feedback efficiently, and strong time management skills. Collaborating closely with engineers, product managers, and other stakeholders also helps ensure that prototypes are both innovative and practical, streamlining the transition from concept to final product.

What is contract prototype design?

Contract prototype design refers to the process where a designer or design firm is hired on a contract basis to create prototypes for new products, interfaces, or systems. These professionals work with clients to turn concepts or ideas into tangible models or interactive mockups, helping to visualize and test functionalities before full-scale production or development begins. This approach allows companies to assess feasibility, gather feedback, and make improvements without committing significant resources to final production.

What is the difference between Contract Prototype Design vs Product Designer?

AspectContract Prototype DesignProduct Designer
CredentialsTypically requires skills in prototyping tools, UX/UI design, and contract work experienceRequires skills in UX/UI design, user research, and often a formal design degree
Work EnvironmentProject-based, freelance or contractual roles, often remote or client-siteFull-time or freelance, working within product teams in tech or digital companies
Industry UsageCommon in tech, startups, and agencies focusing on rapid prototypingUsed across tech, e-commerce, and software companies for end-to-end product design

Contract Prototype Design focuses on creating prototypes for specific projects, often on a temporary basis, emphasizing rapid development and testing. Product Designers have a broader role, encompassing user research, UI/UX design, and product strategy, often within ongoing product teams. While both roles require design skills and familiarity with prototyping tools, Contract Prototype Designers typically work on short-term projects, whereas Product Designers contribute to the overall product lifecycle.

More about Contract Prototype Design jobs
What cities are hiring for Contract Prototype Design jobs? Cities with the most Contract Prototype Design job openings:
What are the most commonly searched types of Prototype Design jobs? The most popular types of Prototype Design jobs are:
What states have the most Contract Prototype Design jobs? States with the most job openings for Contract Prototype Design jobs include:
Infographic showing various Contract Prototype Design job openings in the United States as of May 2026, with employment types broken down into 1% As Needed, 64% Full Time, 12% Part Time, and 23% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $54,312 per year, or $26.1 per hour.

Contract Senior Mechanical Design Engineer

Simplexity Product Development

Seattle, WA • On-site

$140K - $160K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago


Job description

Simplifying the Complex. Simplexity is a product development engineering firm, hired by leading technology companies to design their next generation products. In an industry of overly-complex design and production, we strive for simplicity, reducing product cost and improving reliability for our clients through our Product Development Process.
POSITION DESCRIPTION
As a Senior Mechanical Design Engineer, you would be working with a team designing subsystems of various products, tools, and equipment. Specific technical responsibilities vary by project; however, it is imperative that you have command of all mechanical engineering fundamentals and understand how they are applied to simple, reliable design.
This position is ideal for someone who has a strong technical background, technical leadership experience, and has worked in product development. We are looking for someone who can get things done and can execute when there is a lot of ambiguity around requirements and priorities. In addition to product development experience and strong Mechanical Engineering fundamentals, specific areas of technical expertise include:

JOB DUTIES
  • Work onsite, embedded with clients and engineers to deliver designs that meet client and project team objectives.
  • Architect, design, and integrate intricate mechanical systems.
  • Efficiently represent concepts for your designs using block diagrams, rough CAD/schematics, sketches, etc.
  • Solve problems and design solutions that incorporate custom (injection-molded, machined, 3D-printed, and sheet metal), semi-custom, and off-the-shelf parts
  • Perform paper-studies using various mechanical engineering academic principles, such as force and energy balances, structural calculations, mechanical vibration, tolerance analysis, mechanical power transmission, etc.
  • Manage large 3D CAD assemblies of many components.
  • Generate and maintain an organized bill of materials.
  • Create 2D drawings using ASME Y14.5 GD&T standards.
  • Quickly and effectively prototype design concepts, testing specifications and iterating
  • Work collaboratively with other engineers of various disciplines.
  • Identify appropriate manufacturing methods for prototyping and production.  Design components appropriately for those manufacturing methods.
  • Manage, organize, and prioritize technical issues on your designs and drive toward resolution.
  • Work closely and communicate regularly with clients and project management to keep stakeholders apprised of project status, issues, design decisions, and risks.
  • Coordinate with external partners in areas like industrial design and contract manufacturing.
 QUALIFICATIONS
  • Bachelor of Science or Master of Science degree in Mechanical Engineering from an accredited four-year university. 
  • 8+ years of relevant professional engineering experience.  
  • Proficient knowledge of SolidWorks (highly preferred) or equivalent CAD package. 
  • Thorough understanding of 2D drawings, with a preference for strength in GD&T (ASME Y14.5) and how it is applied to design and manufacturing. 
  • Demonstrable knowledge of manufacturing processes and mechanical design considerations – injection molding, sheet metal, machining, rapid prototyping, etc. 
  • Demonstrable knowledge of assembly and alignment methods - screw joints, snap fits, dowel pins, heat-staking, etc.
  • Ability to identify and root-cause system-level defects. 
  • Experience in design and integration of complex systems working closely with cross-functional disciplines (electrical, firmware, software, and systems engineers). 
  • Excellent organization and analytical skills combined with attention to detail. Ability to prioritize and plan effectively. 
  • Highly motivated with demonstrated ability to work independently with minimal supervision. 
  • Ability to communicate clearly and write detailed reports. 
  • Have a positive attitude and focus on client success. 
  • Ethical and honest in every part of the job. 
 PLUSES TO HAVE
Experience in any of the following areas is a strong plus:
  • Robotics design experience using small actuators and general kinematics.
  • Experience with mechatronics and electro-mechanical systems including stepper and DC motors, solenoids, gear and belt drive systems, linear actuators, bearings, sensors, and electronics. 
  • Electronics packaging design, including structural FEA, thermal management, and space-constrained design.
  • Test equipment design experience that includes capturing requirements and then designing and building test instruments to support testing of prototype hardware.
  • Knowledge of manufacturing processes and mechanical design considerations for injection molding, sheet metal, machining, rapid prototyping
  • Experience using a CAD PDM system to manage CAD files
  • Finite Element Analysis, Computation Flow Dynamics, or experience in other simulation packages.
COMPENSATION AND BENEFITS
Two types of contractor roles will be considered:
W-2 contractor (employee of Simplexity):
  • Hourly rate $70 - $90/hr, depending on experience
  • Excellent Healthcare plan (Medical, Dental, and Vision) fully paid for by the company for the employee; partial payment for dependents 
  • 401(k) plan with company match after 1,000 hours of service
  • Long-term and short-term disability, AD&D and Life Insurance 
  • 11 paid holidays
  • 15 days of paid-time-off (PTO) accrued each year

1099 contractors (have your own registered consulting/contracting business):
  • Hourly rate $95 - $125/hr, depending on experience
  • No benefits, holidays, or paid time off (PTO) included

No recruiters please. 
Job location is in the Seattle, WA metro region at a Simplexity client site. Initial ~6 month contract with expectation of multi-year engagement. 


Simplexity is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Diverse candidates are encouraged to apply. 
*** Please be advised that Simplexity Product Development will never ask you to respond to a non-SimplexityPD domain such as a gmail, ymail, hotmail, etc. If you suspect that you have been contacted by someone impersonating Simplexity Product Development who is using a fraudulent email address, please do not reply. If you are not sure, please fill out a contact form at https://www.simplexitypd.com/contact/ to report the incident. ***

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