Dorel Budnea

Developed and optimized RESTful APIs using Node.js and Python to support real-time patient dashboards, improving response times by 30% and enabling seamless frontend integration for responsive user experiences. Designed and managed PostgreSQL, MySQL, and MongoDB databases with efficient schemas and query optimization for high-traffic applications. Implemented authentication and authorization with OAuth, JWT, and RBAC, enabling secure wallet-like login flows for sensitive data in HIPAA-compliant environments. Collaborated with React frontend developers to define API contracts, reducing frontend integration issues by 25%. Built automated test suites and monitoring to boost backend reliability during peak usage.

Developed and enhanced responsive user interfaces using React, TypeScript, HTML5, and CSS3, delivering a seamless desktop and mobile experience and increasing session duration by 20%. Built dynamic, state-driven pages powering real-time updates for rotation search, application tracking, and dashboard views. Integrated frontend with backend RESTful APIs for user profiles, schedules, and notifications; robust error handling and real-time data refresh reduced user-reported issues by 30%. Implemented secure authentication and session handling on the frontend, coordinating with backend token-based flows to improve user management and reduce login-related tickets by 40%. Used Git and CI/CD in an Agile environment to ship features on a two-week cadence with ongoing performance optimization and UI improvements.

Developed responsive frontend applications using React.js, Vue.js, HTML5, and CSS3, creating interactive dashboards and gaming-style user flows optimized for both desktop and mobile. Designed and implemented backend APIs with Node.js and Express, exposing RESTful and GraphQL endpoints that enabled real-time updates and seamless integration with modern frontends. Implemented user authentication and authorization using JWT, OAuth, and Passport.js, establishing secure wallet-like login experiences across multiple web applications. Integrated third-party APIs such as payment gateways, email providers, and geolocation services to extend functionality, improving engagement and transaction success. Led deployment of containerized applications using Docker on AWS and Heroku, improving release reliability and performance while establishing CI/CD pipelines for faster iteration and testing.