Worked on the laravel/framework repository to enhance core stability and reliability by addressing two critical bugs in April 2026. Focused on backend development using PHP and Laravel, the developer improved pagination accuracy by updating Cursor::fromEncoded to handle malformed payloads gracefully, returning null for invalid inputs and adding comprehensive edge-case tests. Additionally, they resolved flakiness in QueueWorkerTest by freezing time during test execution, ensuring deterministic retryUntil calculations and more reliable continuous integration results. These targeted fixes strengthened test reliability and reduced release risk, demonstrating a methodical approach to unit testing and backend problem-solving within a complex PHP codebase.