Robin Chauhan developed core backend and configuration features for ONDC-Official’s automation-frontend and automation-config-service repositories over a two-month period. He built a centralized API client in TypeScript and JavaScript, introducing consistent API key management and enforcing environment variable presence to streamline inter-service communication. In automation-config-service, Robin designed and implemented domain-specific flow configurations, including RET13, Offers, and Force Cancellation, using YAML for scalable and maintainable order lifecycle management. His work emphasized API integration, domain modeling, and configuration management, reducing integration risk and enabling faster onboarding of new services while improving the maintainability and extensibility of the codebase.