Worked on the Perl/perl5 repository to optimize regular expression compilation for large patterns, focusing on performance and memory efficiency. Addressed the challenge of late-stage restarts by proactively enabling BRANCHJ when the emitted program exceeded U16_MAX, which reduced both memory usage and compilation time for complex regex patterns. Demonstrated expertise in C, compiler design, and regular expressions while navigating Perl internals to implement these improvements. Additionally, contributed to project governance by updating the AUTHORS file to recognize new contributors, reinforcing transparent attribution practices. The work emphasized both technical depth in compiler optimization and attention to documentation and contributor acknowledgment.