Luis Francisco Segura Araujo

Full-Stack Developer with 4+ years of experience building scalable backend systems in .NET and Node.js, and modern web applications with React and Next.js. Strong background in databases (SQL Server, MongoDB) and containerization (Docker, Azure), with proven ability to reduce payroll errors by 60% and improve HR response time by 40%. Passionate about cloud computing (AWS/Azure) and real-time applications.

Real-Time Collaborative Whiteboard App, React.js, Node.js, Socket.IO, JWT, Developed a full-stack app enabling real-time collaboration across multiple users., Implemented Canvas API frontend with React hooks and Context API., Designed backend with Express + Socket.IO for low-latency communication., Integrated JWT authentication and room-based access control.