Founder &
Engineer.
I build and ship SaaS products, AI-powered tools, and Shopify apps. 8+ years turning ideas into production-grade software across Laravel, React, and AWS.
Featured Articles
Deep dives into design, code, and philosophy.
The Ultimate Guide to Modern CSS Layout: Grid, Flexbox, Container Queries & Beyond
As an AWS Certified Solutions Architect and a developer who's shipped 6+ products, I've seen how modern CSS layout transforms complex UIs. This ultimate guide covers CSS Grid, Flexbox, Container Queries, and Subgrid, sharing my hard-won lessons from building real SaaS products like Flow Recorder and Store Warden. Learn how I cut development time and built robust, responsive interfaces.
The Ultimate Guide to End-to-End Testing: Playwright, Cypress, and Visual Regression Strategies
I learned the hard way that skipping End-to-End testing costs real money. This guide reveals my mistakes, how I now use Playwright and Cypress to protect my SaaS products, and why visual regression testing is non-negotiable for founders building scalable applications.
Mastering the Browser Rendering Pipeline: A Deep Dive into Web Performance Optimization
Unlock peak web performance by mastering the Browser Rendering Pipeline. Ratul Hasan shares real-world strategies from 8+ years of shipping SaaS products like Flow Recorder and Store Warden, showing how a deep understanding of browser layout, painting, and compositing delivers tangible speed gains.
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