Ridwan Muhammad Raihan
Software Engineer
About
Hi, I'm Ridwan. I focus on building web applications with maintainable code and solid architecture. Beyond everyday development, I have a strong practical interest in advanced cryptography like exploring post-quantum libraries like ML-DSA and Falcon, alongside learning Web3 development on Ethereum and Solana.
Experiences
Mar 2026 - Present
Siliwangi University
Developed the end-to-end web application for Smart QR Secure Signature in collaboration with a university lecturer and academic peers. Implemented a high-security document authentication system, integrating a complex backend architecture featuring SHA3-256 hashing, dual ECDSA signatures, and Drand time-locked payloads with a dynamic frontend for generating secure QR redirect endpoints.
Dec 2025 - Feb 2026
Fullstack Web Developer
SPPG Sinar Asri
Developed SIMBA, a comprehensive budget and inventory management system. Delivered an end-to-end solution featuring kitchen supply tracking, financial monitoring, interactive data visualization, and secure user access controls with complete audit logging.
Jun 2025 - Aug 2025
Intern Backend Engineer
Kantor Pertanahan Kabupaten Pangandaran
Built the backend services for a Land Book Loan Application to streamline internal administrative workflows. The system provides core functionalities to securely manage user access, track available land books, and monitor all borrowing activities including loan notes and book requests.
Let's Connect
Github
@ridwanmuh3