Yonas Gebremedhin

• Led end-to-end design and launch of Quick Views in Microsoft Teams, a feature enabling users to surface relevant conversations without context-switching, used by millions of users.
• Improved channel navigation reliability by refactoring state management logic in React, reducing client-side navigation errors by ~5% and decreasing user-reported disruptions in high-traffic channel environments.

• Engineered message preview and conversation enhancement features using React and Relay GraphQL, increasing user engagement with chats by 15% through improved information density.
• Contributed to the redesign and modernization of the new Microsoft Teams Chats and Channels experience, including the implementation of features such as draft chats.

• Reduced checkout workflow error rates by 20% by refactoring the React/TypeScript frontend, increasing transaction success rates.

• Implemented new features and resolved critical issues to improve system reliability and support ongoing client operations.
• Worked effectively in distributed teams, delivering software aligned with requirements, timelines, and quality standards.

Master of Science in Computer Science

Relevant coursework: Algorithms, Modern Programming Practices, Enterprise Architecture, Web Application Architecture, Modern Web Frameworks

Bachelor of Science in Information Technology