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Join World as a Senior Fraud Engineer to enhance user safety and security in a rapidly growing AI-driven network. Competitive salary and comprehensive benefits offered.
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 ID proves 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 ID, and we complete over 350,000 verifications each week. World App is already among the most used wallets globally. Developers are integrating World ID to 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, SpaceX, 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](https://time.com/7288387/sam-altman-orb-tools-for-humanity/), highlighted in [Fast Company’s](https://www.fastcompany.com/91411606/fintech-blockchain-next-big-things-in-tech-2025) Next 5 in Fintech, and explored in a [Bloomberg deep dive](https://www.bloomberg.com/news/features/2024-08-12/how-worldcoin-is-building-digital-ids-to-combat-the-ai-apocalypse). [The New York Times](https://www.nytimes.com/2025/05/03/technology/world-eye-scanning-crypto-orbs-launch-in-us.html), [Bankless](https://www.youtube.com/watch?v=KUcjtFOHgNc) and [TechCrunch](https://techcrunch.com/2025/04/30/world-partners-with-tinder-visa-to-bring-its-id-verifying-tech-to-more-places/) have all recognized our progress in identity, cryptography, AI, and global-scale hardware deployment. Our leadership is also named to the [Time AI 100](https://time.com/collections/time100-ai-2025/). Learn more about the newest product launches from our [Unwrapped](https://www.youtube.com/watch?v=H2eLyItnqys) event.
About the Role:
- Own end-to-end the integrations of our most critical controls and ensuring that their enforcement is neither circumvented nor negatively impacting our users
- Face Auth, our liveness detection and time-of-use enforcement mechanism
- Integration with our Fraud Risk Engine
- Systems that enable our operations teams to respond to user reports and that enforce their actions across our stack
- SDK/API integrations with external providers
- Client platform specific features (Android, iOS etc) to prevent misuse.
- Advocate for our users, partnering with our data analytics team and our fraud/risk analytics team to identify false positives and adjust rules and system
- Partner with Product teams to improve the user experience for our users that come into contact with these systems.
- Provide broad review of engineering changes that affect these systems.
- Accomplish all the above while implementing strict access controls, data retention policies, and minimizing user data collected.
About You:
- Great at cross-functional work, prioritizing, and self-organizing
- Strong technical architecture skills across backend and mobile platforms
- Privacy-minded and capable of adopting an adversarial mindset
- Strong communication skills
- Capable of direct individual contribution across our stack
Nice-to-Have Skills:
- Experience in security, fraud, trust & safety, or related domains.
- Mobile development - being comfortable understanding the logic implemented in our android and ios applications
- Data analysis and engineering experience - to help you build an understanding the true impact of controls.
Pay transparency statement (for CA based roles):
The reasonably estimated salary for this role at TFH ranges from $221,000 - $250,000, plus a competitive long term incentive package. Actual compensation is based on factors such as the candidate's skills, qualifications, and experience. In addition, TFH offers a wide range of best in class, comprehensive and inclusive employee benefits for this role including healthcare, dental, vision, a 401(k) plan and match, life insurance, flexible time off, commuter benefits, professional development stipend and much more!
3 DeFi teams messaged me in 5 days
AI profile matched me perfectly
2 interviews in my first week
Hired in 9 days, no cold apps
Best web3 board, period
3 DeFi teams messaged me in 5 days
AI profile matched me perfectly
2 interviews in my first week
Hired in 9 days, no cold apps
Best web3 board, period
CV to offer in 11 days
DAO found me, not the other way
Passive search actually works here
Got 5 messages in first week
Only board I recommend now
CV to offer in 11 days
DAO found me, not the other way
Passive search actually works here
Got 5 messages in first week
Only board I recommend now
