Senior Electrical Engineer, Concept Engineering

Location

San Francisco

Full time

On-site

Device

About the Company:

World is a network of real humans, built on privacy-preserving proof-of-human technology, and powered by a globally inclusive financial network that enables the free flow of digital assets for all. It is built to connect, empower, and be owned by everyone.

About the Team:

We are a rapidly growing, highly cross‑functional team that strategically partners with industrial design, optics, software, market operations, and the finance teams to define new product concepts. Join our dynamic team as an Electrical Engineering Lead, and contribute to the development of our next generation proof of human devices. We offer competitive compensation, professional development opportunities, and a collaborative work environment.

About

The Opportunity:

Tools for Humanity is looking for a Senior Electronics Hardware Engineer to lead device development on our concept engineering team. This role will work closely with Software, Product Development, and Industrial Design teams to develop functional concepts driving the technological roadmap at Tools for Humanity.

Key Responsibilities:

• Architect and design device concepts to rapidly derisk future programs.
• Design functional prototypes of advanced biometric sensing systems.
• Technology selection for concepts and risk analysis for productization.
• End to end ownership of concept electrical systems, ensuring they can meet performance and reliability standards.
• Work collaboratively with cross‑functional teams on concept integration into products with a focus on DFx, cost, power, and performance.
• Developing and implementing advanced electrical systems and circuits.
• Program microcontrollers in C with real‑time operating systems (FreeRTOS and Zephyr) for testing and device bring‑up.
• Participate in design reviews.
• Mentor junior engineers in development best practices

About You:

• Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or a related field.
• 7+ years of experience in electronics product development, including concept to design, planning, circuit development, and multilayer layout creation with E‑CAD tools.
• Experience leading electrical engineering projects
• Proficiency in circuit simulation tools.
• Knowledge of industry standards and regulatory requirements.
• Solid understanding of embedded systems and microcontrollers.
• Experience using measuring equipment such as oscilloscopes, logic analyzers, and VNA.
• Hands‑on experience in developing and integrating embedded camera‑based hardware systems.
• Programming skills in C for microcontroller development, with experience in real‑time operating systems (RTOS), preferably FreeRTOS and Zephyr
• Proficient in English, with strong written and verbal communication skills.

Nice-to-Haves:

• Experience developing multimodal sensing systems.
• Previous experience in fast‑paced startups as well as experience shipping high volume consumer devices.
• Experience with working with sensor vendors including image sensor suppliers.