Nazmul Khalid · Lead Software Engineer · 10+ years
I build SaaS platforms, MVPs and mobile apps for founders and businesses, and run them in production.
Remote, working with clients worldwide. Recent work: DocBee, a telemedicine platform with Patient and Doctor apps; BD Doctors Directory; and Bicitra EMS, a multi-tenant school management SaaS. I handle the whole path, from architecture and code to servers, CI/CD and monitoring.
What I build
- SaaS platforms
- eCommerce systems
- Business software
- AI & automation
- Scalable infrastructure
Selected work
View all →AI Receptionist (Voice Agent)
A custom AI receptionist that answers business phone calls, knows only the company's real facts and hands off to staff.
System Architect / Lead Engineer
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
What clients say
“Building a telemedicine app involves a lot more than just making screens work. Nazmul helped bring DocBee’s doctor and patient apps together into a functional product. I appreciated his ability to work across different parts of the system and keep things moving.”
“Working with Nazmul was straightforward. He understood what we needed, communicated the technical side clearly, and focused on getting the job done rather than making things unnecessarily complicated.”
What I write about
View all →Your Backups Probably Don't Work: What a Restore Drill Shows
A backup you've never restored is a guess. What a weekly restore drill found on a multi-tenant hospital system, and how it got a lost server back in 42 seconds.
Product & GrowthWhat It Takes to Build a Telemedicine App: Time, Team and Cost From a Real Build
How long a telemedicine app really takes, who you need on the team, what the hard parts are, and what it costs, from DocBee, a live platform I was lead engineer on.
Product & GrowthHow Long a SaaS MVP Really Takes, and What It Costs
Real build times from products I've shipped, what drives the cost of a first version up or down, and the costs founders forget until after launch.
Now
What I'm currently building, exploring, and writing about.
See what I'm up to →Have a project in mind?
Book a call, or send me the details. See services and pricing.