Hardware Prototype Engineer (Part-time Contract)

Location: On-site in Hong Kong; half-time engagement for an initial two months, with potential extension.

Company

hirify.global develops interactive active-play systems that use technology and natural body motion to help families move and play together.

What you will do

• Design and modify circuits and PCBAs, select components, and integrate electronics into working prototypes.
• Create mechanical CAD designs, 3D-printed enclosures, and practical mounting solutions.
• Assemble, bring up, rework, and debug prototypes using oscilloscopes, multimeters, logic analysers, and other lab tools.
• Integrate hardware with firmware and software, resolving interface, connectivity, and power issues.
• Iterate from test findings to produce consistent, reliable prototype units.
• Document schematics, PCB files, BOMs, CAD, assembly instructions, and known limitations.

Requirements

• Demonstrated experience building electronic prototypes, including circuit design, board bring-up, soldering, rework, and debugging.
• Hands-on experience with mechanical CAD and rapid enclosure prototyping, such as 3D printing.
• Experience integrating microcontrollers, sensors, wireless modules, and battery-powered electronics.
• Ability to work independently, make practical build-versus-buy trade-offs, and deliver within short iteration cycles.
• Clear communication and documentation skills, including explaining technical issues and options to software engineers.
• Availability to work on-site in Hong Kong on a half-time basis for a two-month engagement.

Nice to have

• Experience with Bluetooth-connected devices, sensors, or interactive hardware.
• Embedded C/C++ skills and experience modifying firmware for device bring-up and diagnostics.
• Experience with compact, battery-powered consumer-device prototypes.
• Familiarity with component sourcing, PCB fabrication, and local rapid-prototyping suppliers.
• Experience preparing hardware for hands-on user evaluation, or an interest in games, physical interaction design, or consumer electronics.

Culture & Benefits

• Initial two-month part-time contract with potential extension based on performance, business needs, and mutual agreement.
• Flexible working hours and vacation policy.
• Product-driven environment focused on individual growth.
• Hands-on experience with emerging technologies in the gaming field.
• Competitive compensation package.

Hiring process

• Submit a CV and examples of hardware built, such as photos, videos, or brief write-ups.
• Describe personal contributions, a problem solved, and the testing approach.
• Include availability, proposed schedule, and contractor rate.