Staff Backend Engineer
Tools for Humanity is a technology company building products for humans in the age of AI. It contributes to World and develops proof-of-human hardware and software, including the Orb, alongside World App services for World ID and digital-asset management.
Maintainer signals as of 8/12/2026
Projects
About Tools for Humanity
Tools for Humanity is a technology company founded in 2019 and headquartered in San Francisco and Munich. It builds and operates services including World ID App and World App, which provide interfaces for creating and using World ID, accessing Mini Apps, and managing digital assets through a self-custodial wallet. It also develops the Orb and Orb Mini proof-of-human hardware and software, using encrypted iris-imaging processes and open-source components, and leads design and planning for World Spaces.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will build and scale core backend technologies and infrastructure for the World ID protocol and ecosystem. You will architect reliable, secure, decentralized, and privacy-preserving systems, provide technical leadership, mentor engineers, lead complex initiatives, and shape the platform's technical roadmap.
Requirements
- Experience in senior technical leadership positions
- Experience leading complex initiatives from start to finish
- Ability to mentor and guide engineering teams
- Expertise in designing and implementing reliable and scalable software systems
- Excellent written and verbal communication skills
Responsibilities
- Architect and build mission-critical backend systems
- Provide technical guidance to engineering teams
- Lead complex cross-functional projects
- Mentor junior engineers
- Collaborate with senior leadership, product managers, and stakeholders
- Shape the technical roadmap and strategy
- Identify important tasks and drive them to completion
Benefits
- Healthcare
- Dental insurance
- Vision insurance
- 401(k) plan and match
- Life insurance
- Flexible time off
- Commuter benefits
- Professional development stipend
- Long-term incentive package