During October 2025, Budi Soetarman enhanced the linkedin/rest.li repository by implementing server certificate propagation within the request context, enabling downstream services to access certificate data for improved policy enforcement and observability. He approached this by modifying backend Java code to securely attach SSL/TLS certificate information to each request, ensuring traceability throughout the service chain. To improve code maintainability, Budi also renamed variables for clarity and updated the project changelog to reflect these changes. His focused, self-contained commit demonstrated a solid understanding of backend development and network security, addressing a specific need for secure, transparent certificate handling in distributed systems.