During their work on JetBrainsRuntime, Jena Nibedita focused on improving the reliability of TLS session resumption by addressing a bug in session ticket parsing. She refactored the TLS parameter reading logic to use Record.getIntXX and Record.getBytesXX methods, ensuring more accurate data interpretation during resumed sessions. Jena also updated the SSL test harness to utilize PKCS12 keystores and corrected keystore filenames, aligning test conditions with production environments. Working primarily in Java and leveraging her expertise in network programming and SSL/TLS, she enhanced runtime stability for downstream users by reducing handshake failures and strengthening the test infrastructure for secure connections.