Nazmul Khalid
Lead Software Engineer & Product Builder.
I build production software — SaaS platforms, eCommerce systems, telemedicine platforms, and AI-powered automation — and the infrastructure that keeps it running under real users, not demos.
What I build
- SaaS platforms
- eCommerce systems
- Business software
- AI & automation
- Scalable infrastructure
Selected work
View all →DocBee
A telemedicine marketplace for real-time video consultations between patients and doctors.
Lead Software Engineer / System Architect
BD Doctors Directory
A doctor discovery platform with a built-in engine for onboarding doctors at scale.
Lead Software Engineer / System Architect
Bicitra Commerce
A self-hosted, single-tenant eCommerce platform built for cheap shared hosting.
Product Architect / Lead Engineer
Bicitra EMS
A multi-tenant School Management SaaS built for Bangladesh, phone-first.
Product Architect / Lead Engineer
What I write about
View all →Row-Level Security Hid Rows From the Job That Deletes Them
Getting a multi-tenant hospital system ready for a real server almost turned the audit log's retention job into a silent delete.
AI & AutomationBuilding a Hospital System With an AI Pair Programmer
What my job actually became when AI wrote most of the code for a multi-tenant hospital SaaS, and the test that was quietly lying to me.
EngineeringShipping Software Updates to Servers You Don't Control
Building a self-update pipeline for self-hosted eCommerce installs on cheap shared hosting, after a broken update taught me the hard way.
Now
What I'm currently building, exploring, and writing about.
See what I'm up to →Have a project or idea in mind?
I'd be happy to hear about it.
Get in touch