Contributed to the gemwalletcom/core repository by enhancing validator configurability, specifically adding Stake Shark validators to the core configuration. This work aimed to improve deployment flexibility and provide operators with expanded options for validator management. The feature was implemented using Rust, leveraging backend development skills to ensure seamless integration with the existing system architecture. The approach focused on modifying configuration structures to accommodate new validator types, supporting more adaptable deployment scenarios. Over the course of the month, the developer concentrated on feature development rather than bug fixes, demonstrating a targeted effort to address evolving infrastructure needs within the Rust-based backend environment.