At Chaldal, I lead the company-wide identity and SSO platform, delivering OIDC, passkeys/FIDO2, MFA, and Active Directory synchronization for employees and internal products.
I'm the on-call owner for mission-critical user lifecycle, RBAC, and secure enrollment, setting reliability and security standards for systems shared across five product teams.
I also lead Cookups, a food-delivery marketplace covering orders, dispatch, logistics, and payout accounting. I build high-throughput services in C#, F#, .NET, and Orleans using Docker, Kubernetes, CI/CD, and event-sourced actor models.
Earlier, I shipped GoGo Bangla, HR and payroll systems, an enterprise SMS gateway, and banking platforms for sanctions screening, AML, SWIFT messaging, and customer notifications. I enjoy improving engineering standards, mentoring engineers, and helping teams ship independently.

