Justin Xiaoxu Long focused on improving the user experience in the srbhr/Resume-Matcher repository by addressing a navigation issue in the resume upload flow. He identified and fixed a bug that previously caused users to encounter a 404 error after uploading their resumes, ensuring that successful uploads now redirect users to the jobs page. This targeted fix streamlined the transition from resume submission to job discovery, reducing friction in the application’s workflow. Justin applied his expertise in React and front end development, utilizing TypeScript to implement the solution. The work demonstrated careful attention to user journey continuity and application stability.