Jobs at Tools for Humanity

Lead the core biometric recognition technology team, managing the full lifecycle of ML systems focused on iris and face recognition while ensuring privacy and reliability at scale.

Join as a Senior Application Development Engineer, focusing on the architecture and development of user-facing applications for consumer electronics with a collaborative team.

The Staff Infrastructure Engineer will shape technical direction, support critical systems, and enhance automation across infrastructure, ensuring reliability and best practices.

The Staff Infrastructure Engineer will establish the team's presence in the US, focusing on systems administration, automation, and Site Reliability Engineering, supporting critical systems and contributing to the project's goals.

Design and implement Android system components, develop AOSP and hardware support, manage software lifecycle, collaborate with teams, and mentor junior engineers.

Lead enterprise go-to-market for World ID and proof-of-human products. Own full lifecycle from sourcing to negotiation, close complex partnerships and multi-year contracts, build executive relationships, create new revenue streams, and partner cross-functionally to scale adoption and shape GTM strategy.

Lead drafting, negotiation, and execution of complex commercial agreements, partnerships, and enterprise deals. Advise cross-functional teams on transaction structure and risk. Support select corporate matters (investments, M&A, governance). Improve contracting processes, templates, and playbooks. Coordinate with privacy, IP, regulatory, tax, and security experts and manage high-impact, cross-border commercial initiatives.

Provide in-house product legal counseling across digital identity, biometrics, blockchain, consumer finance, privacy, and IP. Advise product, engineering, hardware, cryptography, and design teams through development, launches, incidents, and global regulatory issues. Draft product terms, policies, and guidance; support IP protection, open source governance, and cross-functional legal processes to enable scalable, compliant product launches.

The Infrastructure Lead will manage World Chain's production systems, ensuring reliability, scalability, and performance while leading a team in optimizing blockchain operations.

Join the AI & Biometrics team to develop a resilient data platform for machine learning, focusing on data ingestion, transformation, and secure API development.

Lead and scale World ID's commercial presence in North America by identifying high-impact partnerships, negotiating and closing complex deals, and driving cross-functional execution. Build partner strategies, manage relationships across the partnership lifecycle, launch pilots, and enable internal teams to support partner commitments.

Design and evolve high-traffic websites and occasional product surfaces. Create wireframes, flows, prototypes, and high-fidelity designs; collaborate with marketing, content, and developers; contribute to design systems; use analytics and A/B testing to iterate; manage multiple workstreams and ensure pixel-perfect execution while advancing an AI-native design practice.

Lead the product design vision, manage design teams, ensure high-quality user experiences and advocate for users through research and empathy.

As a Senior Software Engineer on the Growth Squad, you'll own Android features for user incentives and growth, collaborating across teams to rapidly deploy and improve user engagement within World App.

The Senior Software Engineer will develop and maintain Android applications, drive growth, enhance verification methods, and collaborate across teams to improve digital identity solutions.

Lead the Device Product function to define vision, strategy, and roadmap for TFH's device portfolio. Own product lifecycle from concept through production, launch, and post-launch iteration. Drive discovery via research and operational data, set requirements and success metrics, align cross-functional teams, ensure launch readiness, and build and mentor a high-performing product team focused on privacy, reliability, and global scale.

Build and operate core crypto platform services for World Chain: transaction lifecycle, calldata construction, smart contract interactions, event ingestion and indexing, Temporal workflows, RPC redundancy and simulation, monitoring, incident response, and platform abstractions. Collaborate across product, protocol, infrastructure, and security and own features end-to-end.

Lead the World ID product lifecycle: define multi-year roadmap, engage users and developers, own metrics and analytics, set strategy with cross-functional teams, and drive features from concept through delivery and go-to-market.

Lead end-to-end face ML projects: define data and labels, train and optimize deep-learning and classical CV models under latency/memory limits, build evaluation and monitoring pipelines, investigate failures, and ship production-quality solutions while collaborating across mobile, infra, and product teams.

The Staff Backend Engineer will architect and build scalable backend systems, provide technical leadership, mentor junior engineers, and shape the technical roadmap for World ID.