Worked on the TryGhost/Ghost repository to enhance the experience for complimentary members by enabling seamless access to offers and simplifying the upgrade process to paid plans. Focused on front end development using React and JavaScript, the work involved updating portal flows, refining account logic, and implementing isComplimentaryMember checks to remove unnecessary gating. Expanded test coverage and introduced regression fixtures to ensure reliability across various upgrade scenarios, including single and multi-tier flows as well as edge cases like cancelled subscriptions. Prioritized stability and business value by improving checkout logic and supporting ongoing maintenance through comprehensive testing and robust frontend logic improvements.