A full-stack HR platform that helps companies manage employee skills and automatically recommend the best employees for trainings, certifications, and missions. Employees self-evaluate their skills and upload CVs, which are analyzed automatically. HR teams create activities and get a ranked list of best-fit employees from a built-in machine learning service, and managers approve the final list. My role: Backend development and API design. I built the REST API with NestJS and TypeScript, including JWT and GitHub authentication, role-based access for 4 user types, file uploads, email notificat