Android Tech Lead for Non-Friend Stories. Identified customer pain points across different user groups; suggested, designed and implemented performance and UX improvements. Mentored and guided junior team members, fostering their professional growth by encouraging independent problem-solving and providing new opportunities. Analyzed data to drive healthyuser engagement and continuously improve user experience. Led cross-functional projects in collaboration with stakeholders across the company, ensuring successful outcomes

Microsoft Teams - Designed, deployed, and supported a cloud service that will serve as a hot path for real-time collaborative objects. Improved the performance of the service by up to 20% overall through redesigned data structures and compression; protected the service by adding authentication & authorization layers and detecting overloaded requests. Designed and implemented the backbone of real-time collaborative objects on iOS client; led architecture design meetings and onboarded new team members.

Media UX - Enhanced reliability and performance of users' media sharing & camera experience by leveraging modern technologies such as react across all platforms and investigate the current status of the app and helped improve it by filing and fixing bugs and adding features.

Skype Lite - Implemented End-to-End Encryption capability for the lightweight Android app, Skype Lite, targeting lower end devices and developing countries to help seek privacy for users.

Dev Platform(Bot Studios) - Drove developers' engagement and interest on Skype Bots by designing and showcasing bots that serve as great examples. Seeked and proposed ways to facilitate desirable and reliable development; it is critically important for our team's bots to be reliable and the codebase to be clean since we are releasing the bots and the codebases to serve as great examples of bot development for community developers.

Designed and integrated support for Bots for the Android Skype client. Created new service endpoints for the client to talk with external services, and delivered new UI for searching and adding the Bots for users. Maintained and debugged the application and added features as a team.

Developed and improved voice systems for managing warehouses, allowing the 200+ workers to work hands-free. Improved the system with continuous feedback from the users, and implemented the auto deployment system for the software.