Refactored all legacy APIs (~15) in internal systems to use new GraphQL framework with improved logging and consistent requests and responses. Also added new unit test to any API with missing tests to maximize test coverage.

Fixed all existing frontend bugs in the Outlook plugin written in React.

Worked on ML system for topic extraction/clustering from documents, including frontend mobile view and internal tool to control the topic cluster generation, allowing users to view topics associated with an employee.

Assisted in office hours and lab party every week.

Wrote exam problems for the two midterms and the final.