Own content safety infrastructure for Snap's recommendation surfaces (400M+ DAU), developing models, signals, and ranking guardrails to reduce exposure to low-quality content, with a focus on teens, new users, and sensitive markets.

Founding member of Snap's AR Monetization initiative: ARES. Drove the end-to-end engineering and XFN collaboration of AR shopping lens management platform and directly delivered $3M+ annual ads revenue.

Developed HyperSkill: a to-B simulation training software in Unity3D, and launched across desktop, iOS and Oculus VR.

Empowered conversational XR digital twins creation and serving via Lip-sync, TTS APIs and NLP frameworks.

Designed and developed KnowCap, a mixed-reality annotation tool for capturing manufacturing expert knowledge.

Deployed Primavera Unifier expenditure module with PGBU Solution director