Fazley Rabbi
Laravel & Backend Engineer
Building high-performance SaaS platforms, e-commerce engines, and payment infrastructure that scale.
Laravel and backend systems engineer specializing in robust APIs, secure payment integrations, and high-throughput architectures. I help startups and businesses turn complex product specifications into clean, maintainable, and reliable production code.
Featured Projects
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Electronic First
High-volume digital gaming & eSIM marketplace processing thousands of daily orders — fraud, disputes, bundles, analytics, and APIs.
A high-volume digital marketplace bleeding revenue to chargebacks, manual dispute reconciliation, and missing analytics — with no unified bundle commerce, no fraud engine, and no real-time visibility into customer or product performance.
Hujjah
Privacy-first Islamic research engine with Quran, hadith, and AI chat.
Islamic research tools leak privacy to third-party APIs and lack proper hadith chain analysis.
SignalStack
Next-Gen AI Intelligence Terminal for real-time geopolitical and tech feed distillation.
Global geopolitical and tech news cycles move too fast for manual monitoring, creating a massive noise-to-signal ratio.
Career Journey
2021 — PRESENT- Built a multi-rule checkout fraud detection engine (IP/card/email velocity, BIN/ASN checks, bot fingerprinting, auth-capture flow) — auto-blocking high-risk payments before fulfilment
- Designed real-time PayPal + Checkout.com dispute sync with webhooks, file proxying, and customer blocking — replacing a manual reconciliation process prone to missed deadlines
- Engineered server-side GA4 event tracking (add_to_cart, view_item, purchase) with event_id deduplication for accurate marketing attribution
- Built a versioned REST API with Swagger docs, encrypted IDs, and AI chatbot endpoints (orders, refunds, tickets, product lookup)
- Delivered ClickHouse-backed analytics: customer behavior, product unit sales, payment gateway performance, HRM costs — with date-range comparison and drill-down breakdowns
- Built an end-to-end Personalized Gift Card platform with recipient management, card designer, scheduled delivery, and sender/receiver dashboards
- Integrated payment APIs: Checkout.com, PayPal, Google Pay, Apple Pay
- Built web automation tools using Puppeteer
- Built Bus Ticket System with Laravel 8 & Inertia JS
- Developed CV/Portfolio builder and Project Management System
- Implemented multiple payment gateways: Razorpay, PayPal, Stripe, Paystack
- Worked on E-bank banking project
- Developed web applications with PHP and Codeigniter
- Built websites with CMS and blogs
- Created responsive frontend with jQuery
- Built an education management system with Laravel (student records, attendance tracking, and report generation)
Blog
View All Notes →Have a challenge for me? Let's build it.
Available for architectural consulting, backend leadership, and end-to-end product development. Currently accepting new collaborations for late 2026.