This repository is my hands-on backend engineering learning and interview portfolio. It documents my continuous progress from Core Java fundamentals to production-oriented backend concepts, with ...
See also: server-side-advanced.md for Part 1 (ExifTool, Go rune/byte mismatch, zip symlink traversal, path traversal bypasses, Flask/Werkzeug debug, XXE external DTD, WeasyPrint SSRF, MongoDB regex ...