Senior Software Engineer, Android
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
Own key software components and design, build, debug, maintain, scale, and instrument them for security, privacy, reliability, and performance. Implement native Android features and SDKs, privacy-preserving attestation and enrollment flows, cloud integrations, secure credential management, and trusted execution environments.
Requirements
- Experience designing and developing native Android applications
- Track record of writing high-quality, reliable, scalable software
- Strong collaboration, prioritization, and organizational skills
- Ability to operate in ambiguous and changing conditions
- Demonstrable ability to learn and apply new technologies quickly
- Clear written and verbal communication skills
- Willingness to work onsite in San Francisco with circumstantial flexibility and relocation assistance
Responsibilities
- Design and develop native Android applications and SDKs
- Own and maintain key software components for reliability and scalability
- Build privacy-preserving attestation and enrollment mechanisms
- Implement secure credential management and trusted execution environment integrations
- Integrate Android clients with cloud services and developer SDKs
- Instrument systems for monitoring, debugging, and performance
- Streamline enrollment and account management to minimize involuntary churn
- Collaborate with product managers, designers, engineers, and stakeholders
Benefits
- Relocation assistance
- Healthcare, dental, and vision insurance
- 401(k) plan with employer match
- Life insurance
- Flexible time off
- Commuter benefits
- Professional development stipend
- Long-term incentive package