Senior Staff/Principal 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

San Francisco, USA
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.

View jobs by Tools for Humanity

Skills

About the Role

Lead solutions to complex mechanical, electrical, and optical hardware challenges for verification devices. Architect next-generation devices, integrate optical components, evaluate sensors and cameras, influence enclosure and component design, coordinate cross-functional work, manage risks and dependencies, monitor program status, and drive projects through production.

Requirements

  • 10+ years of experience in electrical engineering, mechanical engineering, embedded systems, IoT devices, or related fields.
  • Bachelor’s degree or higher in engineering or a design-related discipline.
  • Exceptional hardware architecture and detailed design experience with high-volume production devices.
  • Strong attention to detail and commitment to good design.
  • Ability to solve difficult problems and turn incomplete, conflicting, or ambiguous inputs into action plans.
  • Experience managing projects from kickoff through production.
  • Ability to anticipate blockers and navigate them effectively.
  • Strong written and verbal communication skills with technical and non-technical stakeholders.
  • Comfort working in a fast-paced environment.

Responsibilities

  • Lead exploration of novel electro-mechanical components and systems for biometric verification.
  • Support workstreams across electrical, mechanical, industrial, product, device software, and industrialization teams.
  • Influence mechanical enclosure design using glass, metal, and plastic components.
  • Lead optical design and integration involving liquid lenses, RGB/IR cameras, autofocus, and optical filters.
  • Evaluate sensors and RGB/IR cameras against security and performance requirements.
  • Manage cross-functional dependencies, risks, changes, scope, schedule, and resources.
  • Monitor program status, identify issues and risks, and communicate them to stakeholders.
  • Drive hardware architecture and detailed design for high-volume production devices.
  • Lead projects from kickoff through production.

Benefits

  • Long-term incentive package
  • Healthcare
  • Dental
  • Vision
  • 401(k) plan and match
  • Life insurance
  • Flexible time off
  • Commuter benefits
  • Professional development stipend
Senior Staff/Principal Hardware Engineer at Tools for Humanity | JobStash