Rahman Md Masudur

Software programmer and backend/systems engineer with 4.5 years of professional experience building and maintaining production web applications. I develop reliable PHP/Laravel/CodeIgniter backends, REST APIs, database workflows, responsive JavaScript interfaces, and Linux/Docker deployments. I work with MySQL and PostgreSQL, React and jQuery, Python/Django, Git, automated testing, debugging, performance optimization, and third-party integrations. Additional project experience includes AI/ML, Windows desktop software, robotics, automation, and device communication. I have studied and worked in Japan and communicate in Japanese at JLPT N2 level, enabling me to support Japanese-facing software requirements, technical communication, localization, and Bangladesh–Japan project coordination. Available for focused fixes, small-to-medium web systems, ongoing maintenance, and technical bridge support.