• Designed and implemented new endpoints using Nest.js and TypeScript to improve application functionality and performance.• Conducted database migrations and managed database schemas using MongoDB and PostgreSQL, ensuring data integrity and consistency.• Resolved merge conflicts using Git and GitHub to ensure smooth code integration and deployment.• Implemented authorization and authentication protocols to ensure secure access to application resources.• Set up… Show more • Designed and implemented new endpoints using Nest.js and TypeScript to improve application functionality and performance.• Conducted database migrations and managed database schemas using MongoDB and PostgreSQL, ensuring data integrity and consistency.• Resolved merge conflicts using Git and GitHub to ensure smooth code integration and deployment.• Implemented authorization and authentication protocols to ensure secure access to application resources.• Set up logging and monitoring systems to track application performance and detect errors.• Used TypeORM to map database entities to TypeScript classes and simplify database operations. Show less