Md. Sadnan Hossen Shafin
Co-founder & CEO
Builds the systems brands run on
Shafin leads engineering, security, and infrastructure at Adexcell. He ships custom Next.js ecommerce for Bangladesh clothing brands — COD checkout, courier APIs, Meta CAPI, GA4 server-side, and production hardening. Adexcell Forge runs 143 automated tests; client stacks have zero reported production data breaches under his delivery.
Qualifications
- 6+ years full-stack production deployments
- 143 automated tests on Adexcell Forge (internal OS)
- Zero reported production data breaches across managed stacks
- Next.js, Node.js, TypeScript, MongoDB, Redis, BullMQ
- Meta CAPI + GA4 server-side implementations for fashion
What Shafin manages
Engineering, security, infrastructure, client platform delivery, custom software & SaaS when scoped.
Proof in production
- Adexcell ForgeRifatAcademy-scale systemsClient fashion storefronts in production
Expertise (knowsAbout)
Topics AI systems and search engines can cite this person for.
- Next.js ecommerce
- Node.js
- TypeScript
- MongoDB
- Redis
- BullMQ
- Meta Conversions API
- Google Analytics 4
- Ecommerce security
- Bangladesh COD payments
- SSLCommerz
- Pathao integration
Published on Adexcell
Blog
12 min · blog
Why 68% of Bangladesh Ecommerce Brands Fail (And the 5 Infrastructure Fixes)
Most Bangladesh clothing brands don’t fail because of bad products — they fail because of Messenger chaos, invisible margins, and ads that optimize for chats. Here’s the 2026 fix list.
9 min · blog
How Much Does an Ecommerce Website Cost in Bangladesh? Complete 2026 Breakdown
Agencies quote ৳50k–5L. Shopify charges dollars forever. Here’s what clothing brands actually pay in 2026 — and what you get at ৳7,000.
11 min · blog
Complete Guide: COD, SSLCommerz, and Pathao Setup for Bangladesh Ecommerce (2026)
The unsexy trilogy that makes or breaks profit: COD confirmation, digital payments, and courier APIs. Step-by-step for clothing brands.
9 min · blog
Meta CAPI Setup for Bangladesh Clothing Brands (2026 Step-by-Step)
Browser pixels miss iOS and in-app traffic. Server-side Conversions API (CAPI) sends purchase events from your checkout — here is the 2026 operator path for Bangladesh fashion.
9 min · blog
Pathao API Integration for Ecommerce: Operator Guide (2026)
When manual Pathao panels break at 30+ orders/day — merchant API flow, Steadfast comparison, and honest Adexcell backend status.
9 min · blog
Bangla SEO for Clothing Brands: Free Traffic Beyond Facebook
Bangla product titles, size charts, and FAQ schema — how fashion brands capture Google long-tail without doubling ad spend.
9 min · blog
bKash vs SSLCommerz for Fashion Checkout: When to Use Which
Direct bKash merchant vs payment gateway — honest 2026 guide aligned with Adexcell backend.
9 min · blog
Steadfast vs Pathao by Zone: Courier Routing Data for Ops Teams
When to route Dhaka vs outside — dual-courier ops without religious single-carrier lock-in.
11 min · blog
Agency vs Adexcell: 2026 Bangladesh Ecommerce Build Benchmark
Original comparison — template agencies, freelancers, Shopify, and productized Next.js at published ৳7k pricing.