Gurshabd Varaich contributed to the BitGoJS repository by building foundational token management features over a two-month period. He implemented a token factory pattern in TypeScript to streamline onboarding and lifecycle management for Sui:Deep tokens across both mainnet and testnet environments, enhancing the coin management system’s scalability and maintainability. In addition, he expanded the platform’s asset coverage by integrating Kamino (KMNO) token support for the SOL ecosystem, enabling custody and transaction capabilities through the JavaScript SDK. His work demonstrated depth in full stack development, focusing on modular design and future-proof integration points to reduce ongoing development effort for token onboarding.