Software Engineer
Current• Integrated JWT (JSON Web Token) for secure user authentication and role-based access control (RBAC), resulting in a 100% increase in session security and safeguarding user data effectively.• Designed and built scalable back-end systems: Engineered robust RESTful APIs and microservices with Node.js, Express, and MongoDB, optimizing data storage and retrieval, which improved data access speeds by up to 50%.• Enhanced application performance: Implemented performance optimizations using MongoDB aggregation, caching mechanisms, and lazy loading in front-end components, significantly boosting overall speed by 2x and improving user experience.• Integrated third-party services: Connected external APIs and managed OAuth for secure third-party authentication (e.g., Google, Facebook), leading to a 30% increase in user sign-ups through streamlined login processes.