Senior Electronics Hardware Engineer
Tools for Humanity is a technology company building products for humans in the age of AI.
Maintainer signals as of 9/2/2026
About Tools for Humanity
Tools for Humanity develops hardware, software, and services connected to World, described as an open-source real-human network. Its products include the Orb for privacy-focused proof-of-human verification, World App for World ID access, digital asset management, wallet functionality, transactions, and Mini Apps, and World Spaces for verification, community programming, and events. The company serves end users and organizations seeking to integrate World infrastructure into their projects.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
Design, test, and validate electronic hardware for flagship devices. Own PCB and PCBA development, program microcontrollers for device bring-up, diagnose and repair hardware issues, and run qualification and validation processes. Collaborate with software, mechanical, manufacturing, and industrial design partners to bring reliable products to production.
Requirements
- Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or a related field
- 8-10 years of electronics product development experience from concept to production
- Experience with E-CAD tools such as Altium or EAGLE
- Proficiency with circuit simulation tools
- Knowledge of industry standards and regulatory requirements
- Solid understanding of embedded systems and microcontrollers
- Experience programming microcontrollers in C
- Experience with real-time operating systems, preferably FreeRTOS and Zephyr
- Experience using oscilloscopes, logic analyzers, and VNA
- Hands-on experience with embedded camera integration
- Experience with BLE, Wi-Fi, LTE, and antenna optimization
- Ability to mentor and inspire engineering teams
- Strong problem-solving skills, attention to detail, and excellent English communication
- Experience creating automated PCBA testers for mass production is a nice-to-have
- Experience with HSMs, TPMs, secure elements, decentralized manufacturing, DFMEA, or fast-moving startups is a nice-to-have
Responsibilities
- Own electronic design of PCBAs and PCBs
- Develop and implement electrical systems and circuits
- Evaluate and verify existing hardware designs
- Diagnose and repair hardware issues
- Oversee qualification, verification, and validation of hardware
- Commission and repair electrical assemblies
- Program microcontrollers in C for device bring-up
- Integrate and validate software releases on hardware
- Collaborate with cross-functional teams to integrate product design
- Optimize network connectivity and antenna performance
- Design and test embedded camera-based hardware systems
- Stay current with emerging hardware technologies
Benefits
- Open and collaborative office space in downtown San Francisco
- Unlimited PTO
- Monthly phone reimbursement or company device
- Daily DoorDash credit for in-office meals
- Medical insurance
- Dental insurance
- Vision insurance
- 401k with employer match
- Life insurance
- Flexible time off
- Commuter benefits
- Professional development stipend
- Long-term incentive package
