• Migrated data from MySQL to MongoDB by creating custom API endpoints and optimized the process to ensure real-time synchronization between both databases.• Improved application stability by resolving security vulnerabilities in the Node.js codebase, reducing system crashes and downtime by approximately 75%.• Designed and developed the Remodely platform (a bathroom remodeling platform) from scratch, enabling admins to manage layouts, products, and eligibility questions efficiently through Admin panel.• Implemented real-time estimation and visualization features, allowing customers to select products, view dynamic pricing, and make informed remodeling decisions.