Memoria Valde enhanced transaction merging in the actualbudget/actual repository by developing a feature that preserves split categories and prevents orphaned subtransactions during merges. Leveraging backend development and database management skills, Memoria optimized SQL queries to reduce database calls and improve reconciliation speed. The work involved refining TypeScript logic to maintain parent-child relationships, addressing linting and type-checking issues to ensure robust data integrity. Memoria also updated release documentation and improved CI test stability, contributing to more accurate financial reporting. This focused, in-depth contribution demonstrates a strong grasp of transactional data flows and backend reliability within a complex financial application context.