Senior Software Engineer, iOS
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
You will design and build highly scalable iOS systems that power end-to-end app features, including networking, persistence, business logic, and UI. You will write durable, well-tested code and re-architect legacy components to scale. You will partner with Android and backend developers to deliver integrated solutions, contribute engineering input to product decisions, and invent iOS tooling or libraries that can be open-sourced.
Requirements
- 2+ years of native iOS development experience
- Experience leading projects to improve customer experiences resiliency or integrations
- Experience creating readable well-crafted and maintainable code
- Experience voicing customer feedback into product solutions
- Commitment to continuous growth for yourself and teammates
- Passion for practical usage of blockchain technologies and familiarity with blockchain products
Responsibilities
- Build end-to-end iOS features including networking persistence business logic and UI
- Design scalable app systems and architecture
- Write durable well-tested maintainable code
- Re-architect legacy code to improve scalability and maintainability
- Collaborate with Android and backend developers to deliver integrated solutions
- Provide engineering input into product definition and customer-facing solutions
- Create and open-source iOS tooling and technical solutions
- Ensure high product quality and reliability
Benefits
- Healthcare
- Dental
- Vision
- 401(k) plan and match
- Life insurance
- Flexible time off
- Commuter benefits
- Professional development stipend
- Relocation assistance
- Competitive long term incentive package
