Worked on the Planning-Inspectorate/appeals-back-office repository, focusing on front-end enhancements to improve user experience and test reliability. Delivered updates to the UI by refining spacing for stacked notification banners, addressing visual inconsistencies and ensuring a more polished interface. Maintained and updated Jest snapshot tests to align with changes in rendered HTML, particularly on the LPA Questionnaire review page, which included multiple sections such as site address and planning officer’s report. Utilized JavaScript and CSS to implement these changes, emphasizing regression safety and smoother releases. Demonstrated a methodical approach to front-end development and testing, prioritizing maintainability and consistent user interfaces.