Staff Engineer - Trust & Vault

Staff Engineer, Trust & Vault Remote · Full Time · Individual Contributor · +8 Years of Experience Who We Are Yuno is the AI-native operating system of global commerce, powering the financial infrastructure of enterprise merchants, banks, and wallets. Through a single API, Yuno connects them to pay-ins, payouts, fraud prevention, KYC/KYB, and stablecoins globally, so they can operate everywhere. Agnostic by design and connected to 1,000+ payment methods and 460+ integrations in 190+ countries, Yuno optimizes acceptance rates, reduces costs, and strengthens security through specialized AI agents that learn from every transaction. Global brands including McDonald's, NetEase Games, GoFundMe, and Rappi run their payments on Yuno.

About The Role Yuno is looking for a Staff Engineer to be the senior technical leader for Trust & Vault — the domain that secures card data and optimizes how it's used across every transaction on the platform. You'll architect the foundational systems behind PCI-compliant card vaulting and tokenization, card authentication (3DS, network tokenization), and the optimization capabilities that lift authorization and acceptance rates, and raise the technical bar for the pod that builds them. This is a hands-on leadership role in a zero-tolerance-for-failure environment. You'll design and build bank-grade, resilient capabilities, champion a "You Build It, You Run It" culture where your team owns its services from code to production, and turn the hardest problems in card-data security and payment optimization into elegant, maintainable architecture.