Dhaka, Bangladesh
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Frontend Engineer
40K+ Stores · 600K+ Users

Shipping products that businesses run on every day

I'm Kajal, a Frontend Engineer with5 yearsof experience owning production products used by 40K+ stores and 600K+ end users.

About – Mahmudun Nabi Kajal
WPXPO - WordPress & WooCommerce Solutions
PostX - Gutenberg page builder plugin
WowShipping - Table Rate Shipping for WooCommerce
WowETA - Delivery Date Estimator for WooCommerce
PreBook appointment management
MadChef - Restaurant website with online ordering system

Case Studies

A Shared Component Architecture in a Monorepo - 4 Case Studies

A Shared Component Architecture in a Monorepo - 4 Case Studies

A solo, year-long build of a 44-component Vue library shared between two independently built apps inside a WordPress booking plugin - four linked case studies covering API boundaries, state, resilient input handling, and codebase structure.
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Refactoring a 40k Users Frontend - 5 Case Studies

Refactoring a 40k Users Frontend - 5 Case Studies

A self-proposed, solo-executed refactor of a WordPress Gutenberg plugin used by 40,000+ users - five linked case studies covering the technical execution, the decision, the trade-offs, and the risk.
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WowShipping Frontend Engineering - 4 Case Studies

WowShipping Frontend Engineering - 4 Case Studies

4 case studies from the WowShipping WooCommerce shipping plugin's frontend: a Gutenberg component migration that didn't survive a branch merge, a hand-built drag-and-drop interaction, a naming-convention overhaul, and a domain-vocabulary rename.
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AI Recommendation Builder That Had to Keep Up With Its Own Rule Book - 3 Case Studies

AI Recommendation Builder That Had to Keep Up With Its Own Rule Book - 3 Case Studies

The admin builder for a WooCommerce product-recommendations plugin - a visual placement tool where the state model, the rule vocabulary, and two near-identical components all had to grow without breaking each other. Three linked case studies.
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