Worked on enhancing backend stability in the ktorio/ktor repository by addressing a critical issue in cookie handling. Focused on improving the resilience of cookie parsing logic, the developer implemented a fix in Kotlin to ensure that malformed or missing 'expires' dates in cookies no longer cause application crashes. By updating the backend to ignore exceptions during the parsing of cookie expiration fields, the solution reduced the risk of outages in cookie-driven workflows and improved overall robustness for edge-case inputs. This work demonstrated a strong understanding of backend development principles and contributed to more reliable session management in Kotlin-based systems.