【 Productivity 】Empower engineering teams to plan and manage their work effectively and responsibly • Tech lead of productivity products focusing on time management• Established a strong quantitative correlation between focus time and productive engineering behaviors. Then led investment in optimizing for focus time and calendar automation• Developed an automated system that dynamically updates meetings to the best time, honoring everyone's preference, resolving meeting conflict, and maximizing the focus time of all attendees. Enable the company to gain 4,000 hrs of focus time every day, virtually equivalent to 1k more engineers【 Developer Experience 】Provide the great experience to developers who use Facebook platform • Improved UI for providing documentation feedback led to 543% increase in feedback left• Built "Find a Circle" flow for Developer Circles. Drove a 19% increase in membership• Identified and drove a fix to a problem in reference doc. Yielding 350% more traffic to these pages through better SEO

• Designed WebAPIs for users to access telephony functions on Firefox OS (mobile operating system) as module peer of Radio Interface Layer (RIL)• Module peer of Radio Interface Layer; Enabled multi-sim control and MMI code support in telephony• Refactored test framework with modularity and extensibility; Helped 3+ teams write tests more easily

• Enhanced protocol software as module owner of Video Telephony (3G-324m) and A-GPS (SUPL)• Implemented SUPL 2.0 from scratch; Created auto test environment, reducing 12+ hours testing time• Designed Electronic System Level (ESL) SW/HW co-simulation environment; Overcame performance bottlenecks, reducing 10% CPU and 20% memory usage• Conducted interoperability tests in Ericsson Lab; Obtained certificate within 25% less time, saving $14,000• Developed productivity tools; Benefited 5+ teams, helping engineers save time and debug more easily