Rohit Goyal contributed to the Real-Dev-Squad/website-backend repository by developing a safer profile diff retrieval and user data update flow, focusing on data integrity and privacy. He refactored backend logic in Node.js and JavaScript to separate unobfuscated contact detail handling and improved the reliability of profile merges by adjusting id-field processing. Rohit enhanced error handling to support better diagnostics and introduced a development feature flag to facilitate safer testing environments. His work emphasized backend development and database management, addressing the need for secure and reliable user data operations. The depth of his contributions centered on targeted refactoring and privacy-focused enhancements.