During a two-month period, Atar focused on backend reliability and error handling across two repositories. In tritonuas/obcpp, he addressed a bug in the airdrop feature by ensuring server-side failures now return accurate HTTP error codes, improving client communication and monitoring. For achristensen07/WebKit, Atar enhanced JavaScriptCore’s JSON parsing by implementing stack overflow protection, particularly for deeply nested structures and reviver usage, and added automated tests to verify stability. His work, primarily in C++ and JavaScript, demonstrated careful attention to robust error signaling, memory management, and test coverage, resulting in targeted improvements that reduced production risk and increased system resilience.