• Build cross platforms product infras for Android, iOS, macOS and Windows platforms for Roblox client.

• Optimize performance Roblox client such as TTI and app size through low level OS APIs with C/C++.

• Technical consultancy for building full stack product MVP, and integration with AI agent framework and LLM infra.

• Unity game development and integration.

• Tech Lead of 3 VR teams with 5 to 10 engineers across 3 years. Primary tech stacks: C++, Android and Android Open Source Project, Java, Kotlin, React Native, WebRTC, Real Time Network Stack, Linux System.

• Led team maintaining and improving OS level Casting, Video Recording experiences that capture 40% monthly active users of Meta Quest 1 and 2.

• Led team migrated Casting, Video Recording off legacy tech stacks. Improved p95 casting connection time from 34s to 5s and casting success rate from 89% to 95% on between Meta Quest and Oculus Android app.

• Contributed to unblocking Meta Quest Pro launch by improving casting performance in high CPU usage scenarios.

• Integrated mobile analysis and performance framework on Meta Quest with Meta’s infrastructure in 2021.

• Integrated and launched Facebook Messenger to Meta Quest as an OS level feature in 2020.

• Release captain for one major OS release for Meta Quest 1 and 2 in 2022.

• Mentor and Intern Director for 11 Intern Managers.

• Tech Lead of video publisher experience and OTT video subscription service products. Primary tech stacks: Hack, React, JavaScript.

• Led team of 8 engineers (including iOS, Android, Front End and Backend) and launched OTT video subscription service on Facebook platform in 2019.

• Developed and launched experiences for video creators and publishers on Facebook platform with more than 100 millions of month active users.

• Build visualization frameworks for Mobile Funnel Analytics framework, which helped 15+ Facebook teams improve business flows such as payment and subscription.

• Introduced Kubernetes and Docker based containerized infrastructure.

• Developed UI for PubNation.com that gives users powerful and beautiful searching and analytics tools.

• Developed JS library with cross-browser compatibility that is embedded on websites with billions of pageviews.

• Introduced automated cross-browser testing. Worked on various projects, tech stacks and concepts, such as Chrome extension, Ember.js, Elasticsearch, MySQL, Redis, AWS, and serverless architecture.