Yohan Yi
Software Engineer - AI Agent at Stealth AI Startup
Los Angeles, California, United States
Summary
👤
Senior🎓
Top SchoolYohan 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 FIDMiOS Developer Nanodegree Program Computer Science, iOS Developer Nanodegree Program Computer Science at Udacity
Stackoverflow
1reputation
0reached
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Github Skills (19)
swift8
things8
ios8
objective-c8
xcodebuild7
xcode7
cocoapods7
macos7
parse6
sdwebimage6
beautifier6
carthage5
swift-package-manager5
swiftlint4
leancloud4
Programming languages (2)
Github contributions (5)
yohunl/DingTalkNoJailTweak
Dec 2016 - May 2017
Contributions:24 commits, 53 pushes, 2 branches in 5 months
yohunl/FlexInjected
Aug 2016 - Oct 2020
Contributions:2 commits, 3 pushes, 1 branch in 4 years 3 months
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