In February 2026, Chris Rambo focused on enhancing the security and maintainability of the openMF/fineract repository by refactoring backend data access code. He systematically replaced SQL string concatenation with parameterized queries using Java and JDBC, mitigating SQL injection risks across multiple services. His approach included comprehensive unit testing to validate the new query methods and ensure robust coverage. Chris also introduced pagination validation to strengthen data access safeguards. By coordinating changes affecting approximately thirty queries, he improved the code’s auditability and long-term maintainability, demonstrating a security-first mindset and strong backend development skills in Java and SQL throughout the project.