Product Security Engineer

About the Company:

World is building a real human network designed to accelerate people in the age of AI. As bots and autonomous agents reshape the internet, people, institutions, and applications need a trusted way to confirm who is a real human while preserving privacy. Our products make this possible: the Orb verifies real people, World s it privately, and World App enables and distributes the new applications made possible by this technology.

Together, they form a new layer for AI internet.

We’re one of the fastest-growing networks in tech. More than 17 million people across 160 countries have verified with World , and we complete over 350,000 verifications each week. World App is already among the most used wallets globally. Developers are integrating World  build safer online experiences and create spaces where real people can participate, earn, and be recognized in ways AI simply can’t replicate.

World was founded in 2019 and launched globally in 2023. We are more than 400 people across hardware, software, AI, cryptography, mobile engineering, and global operations. Our teams come from OpenAI, Tesla, Space

X, Apple, Google, Stripe, Meta, Coinbase, Palantir and MIT Media Lab. We’re backed by leading investors, including a16z, Khosla Ventures, Bain Capital Crypto, Blockchain Capital, Variant, Tiger Global, and Coinbase Ventures, as well as prominent operators and founders across fintech and AI.

World has been featured on the cover of TIME Magazine
, highlighted in Fast Company’s Next 5 in Fintech, and explored in a Bloomberg deep dive
. The New York Times
, Bankless and Tech Crunch have all recognized our progress in identity, cryptography, AI, and global-scale hardware deployment. Our leadership is also named to the Time AI 100
. Learn more about the newest product launches from our Unwrapped event.

The Security team at Tools for Humanity operates at a level far beyond a regular company. Our objective is not just to secure an organization, but to build the trusted, foundational infrastructure for the world's largest identity and financial network. We are a team of over 15 seasoned engineers who are central to the success of the World protocol. We tackle a unique and complex threat landscape that spans state-of-the-art hardware security for the Orb , advanced cryptography including new zero-knowledge proofs, and the security of a global, distributed cloud and mobile ecosystem.

Our work is critical to enabling the protocol to scale to billions of users while upholding an unwavering commitment to fail-safe security and privacy.

As a Product Security Engineer, you will be a hands-on technical leader responsible for safeguarding the products and services that power the World project. You will be "In the Driver's Seat," proactively embedding security into every stage of the development lifecycle. This is not a role for box-tickers; you will be expected to think from first principles to solve novel security challenges at a global scale.

Your work will directly protect our users and ensure the integrity of a protocol designed for the majority of humanity.

You will:

• Lead secure architecture reviews and threat modeling sessions for new application and cloud services.

• Engineer and implement automated security guardrails and reusable libraries to make the secure path the easy path for developers.

• Perform deep-dive, security-focused code and infrastructure reviews in languages like Rust, Go, and Python.

• Own the vulnerability management process, from triaging bug bounty submissions to driving remediation efforts with engineering teams.

• Mature and scale our Secure SDLC and bug bounty programs to keep pace with a rapidly growing engineering organization.

You are a pragmatic and deeply technical security engineer who thrives on solving complex problems. You have a builder's mindset and are passionate about shipping secure products with "Extreme Urgency." You are comfortable with ambiguity and are driven by the opportunity to secure systems with world-changing potential.

• You have 12+ years of hands-on experience in Product Security, Application Security, or Cloud Security.

• You…