Raihan Rayhan is a pragmatic CTO and founder with 11 years of engineering experience and 6+ years focused on building secure, scalable web platforms across fintech, SaaS, and AI-driven products. He specializes in backend systems with NestJS, Node.js and TypeScript, and architects full-stack solutions using React/Next.js, PostgreSQL, MongoDB, Redis, Docker and Kubernetes. As founder of Graphland and Techdiary he combines hands-on development with product leadership, shipping developer-first tooling and multiple npm packages that support the JavaScript ecosystem. He has led backend and DevOps efforts for high-impact projects (including monetized video platforms and real-time chat) and mentors teams to prioritize clean code, system design, and developer experience. Based in Dhaka, he’s actively exploring secure fintech architecture, OAuth2/OIDC and cloud-native deployments while maintaining an eye for practical, production-ready engineering.
11 years of coding experience
5 years of employment as a software developer
Bachelor's degree, Computer Science, 3.07, Bachelor's degree, Computer Science, 3.07 at North South University
Contributions:5 releases, 64 commits, 14 PRs in 3 years 6 months
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