Worked on optimizing LDAP expression processing in the CppMicroServices/CppMicroServices repository, focusing on improving runtime performance during high-load evaluation scenarios. Applied C++ development and algorithm design skills to refactor the string lowercase conversion, moving it outside the evaluation loop to eliminate redundant computations. This technical approach reduced per-iteration overhead and enhanced performance, particularly in authentication and authorization workflows that rely on LDAP. The work leveraged performance optimization techniques to address issues #1259 and #1260, resulting in more efficient handling of LDAP expressions. The changes paved the way for higher concurrency and lower latency, contributing to a more scalable system.