Riri

Software developer

Primus • Freiberufler

Sep 2025 - Dec 2025 • 3 mos

Work Experience Software Developer Freelance / Project-Based 2022 – Present * Designed and developed full-stack web applications using Python (Flask), React.js, and Node.js * Built and maintained RESTful APIs for scalable backend systems * Developed responsive and dynamic user interfaces with React.js * Integrated MySQL and MongoDB for efficient data management * Implemented secure authentication systems (JWT and session-based) * Optimized application performance and handled concurrent requests efficiently * Debugged and improved live systems while ensuring data integrity --- Key Projects Full-Stack Web Application (Flask + React) * Developed a complete web platform with authentication and role-based access * Designed and integrated REST APIs with a dynamic frontend API-Based Backend System (Node.js) * Built scalable APIs to handle multiple client requests * Focused on performance optimization and clean architecture Multithreaded Web Server (C++) * Developed a custom server to handle concurrent requests and file uploads * Implemented support for audio, video, and file transfer Mini SQL Compiler (C++) * Built a compiler with lexer, parser, and semantic analysis * Designed for educational visualization of SQL processing --- Key Achievements * Delivered multiple end-to-end projects across different domains * Improved performance through backend optimization and efficient database queries * Built scalable systems capable of handling high concurrency * Resolved critical production issues without downtime or data loss * Maintained clean, structured, and maintainable codebases Key Focus: Scalable architecture, performance optimization, and reliable delivery