Summary
Yohan Yi is a software engineer with 11 years of experience specializing in iOS engineering and AI-driven agent systems, currently building agentic RAG and LLM orchestration at a stealth AI startup. He led delivery of WhatsApp AI features at Meta—shipping text-to-image, agent-like experiences, and cross-platform file infrastructure—and also built a production client-side ML ad ranking system for Facebook’s iOS app. His work balances product-grade iOS UI/UX craftsmanship (Animator, Snapshot, Swift prototyping) with rigorous requirements for auditability and explainability in regulated financial environments. At Citi he integrated complex banking features like Zelle, mobile check deposit, and wearable integrations, demonstrating a knack for secure, high-quality production code. He published an iOS app on the App Store and brings a pragmatic blend of research prototyping and production engineering, often validating experiments before scale. Based in Los Angeles, he pairs a business management background with hands-on iOS expertise to translate regulatory and product constraints into auditable AI workflows.
11 years of coding experience
2 years of employment as a software developer
Bachelor of Science (B.S.) Business Management, Bachelor of Science (B.S.) Business Management at FIDM
iOS Developer Nanodegree Program Computer Science, iOS Developer Nanodegree Program Computer Science at Udacity