- Built features for the Android client and the Messenger server.- Coordinated with designers and engineers on Android, iOS andserver teams on my largest project, Message Reactions.- Wrote client-only deltas that don’t require server definitions tosend arbitrary payloads to clients, as well as a thread-safe cachestructure with automatic load balancing.- Within 3 months reactions had a 6% participation rate, with 45Mreactions daily and 3.6B reactions overall.- Also built: message composition keyboards, SMS functionality,third party app integration, chat heads UI modifications.- Peer reviewers noted my rapid ramp-up time with complex codebases, and my dedication to clean, re usable, tested code.- Regularly volunteered for auxiliary engineering tasks, includingmanaging the release candidate, breaking down monolith modules, and managing successful interns.

Assisted for 15-440 Distributed Systems.

Assisted for 15-214 Principles of Software Construction. Designed homeworks, recitations, labs and exams for a class of 130 computer science students. Taught a weekly recitation of 30 students.

Fixed and added to existing features while developingnew ones. Tasked with both front-end and back-end development for the website.

Maintained and set up company servers. Developed and debugged code which was later used in company software.