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Available for freelance & collaboration

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.

Resume Projects Contact
GH · LN · SITE
EXPPROJECTSCOMMITSLOCSTACKINFRA
5+ yrs131.6k+Chittagong, BD · UTC+6Laravel / PHP / MySQLDocker / VPS / Redis
PHPLARAVELMYSQLREST APIDOCKERVERCELGITHUBCI/CDJAVASCRIPTTAILWIND CSSBOOTSTRAPASTROLINUXVPSAPI DESIGNREDISCLICKHOUSESUPABASEWEBHOOKSEVENT-DRIVENPHPLARAVELMYSQLREST APIDOCKERVERCELGITHUBCI/CDJAVASCRIPTTAILWIND CSSBOOTSTRAPASTROLINUXVPSAPI DESIGNREDISCLICKHOUSESUPABASEWEBHOOKSEVENT-DRIVEN
WHAT I BUILD

Commercial-grade applications engineered for speed, security, and scalability.

■ SaaS Platforms

Subscription billing pipelines, role-based admin panels, and modular control systems.

■ E-Commerce Engines

High-volume marketplaces, automated inventory tracking, and payment reconciliations.

■ Payment Infrastructure

Multi-gateway abstractions, secure webhooks, double-entry ledger systems, and fraud prevention.

■ APIs & Automations

Cleanly versioned REST APIs, webhook consumers, automated cron jobs, and background workers.

WHY COMPANIES HIRE ME

Engineering discipline focused on direct business outcomes, uptime, and maintainability.

▲ Production Expertise

5+ years building and maintaining real-world systems handling thousands of active users and daily orders.

▲ Laravel & PHP Mastery

Expertise in modular design patterns, query optimization, background job queues, and robust test suites.

▲ Scalable Architecture

Database tuning (indexes, query optimization), Redis caching strategy, and Docker containerization.

FEATURED PROJECTS View All Projects →
Electronic First screenshot
E-COMMERCE / BACKEND PRODUCTION

Electronic First

PROBLEM 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.
SOLUTION Five years of deep backend work: a multi-rule fraud detection engine, real-time PayPal + Checkout.com dispute sync, ClickHouse-backed analytics, an end-to-end Personalized Gift Card platform, and a versioned REST API powering web, mobile, and an AI chatbot.
ROLESoftware Engineer
ARCHTransactional / Fraud Detection
INFRARead Replicas / ClickHouse
Laravel 9PHP 8.2MySQLRedis +4
Hujjah screenshot
WEB APPLICATION / RESEARCH TOOLS ONGOING

Hujjah

PROBLEM Islamic research tools leak privacy to third-party APIs and lack proper hadith chain analysis.
SOLUTION A privacy-first Islamic research engine with AI inference, full Quran/hadith search, and sanad chain visualization.
ROLESolo Developer
ARCHSemantic Vector Search / LLM
INFRASupabase pgvector / Vercel Edge
Next.jsSQLiteFTS5Groq AI +2
SignalStack screenshot
AI / ANALYTICS ENGINE ONGOING

SignalStack

PROBLEM Global geopolitical and tech news cycles move too fast for manual monitoring, creating a massive noise-to-signal ratio.
SOLUTION A high-density analytical terminal that distills vast world-event feeds into real-time summaries and severity scores via multi-provider AI failover.
ROLESolo Developer
ARCHEvent-Driven Feed / AI Failover
INFRARedis Queue / Multi-Tier AI
Node.jsNestJSGroqOpenRouter +2
DailyLOG screenshot
PERSONAL PRODUCTIVITY / LIFE OS ACTIVE

DailyLOG

PROBLEM Individuals need a unified, high-density, and private single source of truth for notes, tasks, reflections, and learning paths without database bloat or vendor lock-in.
SOLUTION A personal Life OS dashboard combining bi-directional note linking, structured daily journals, and priority-driven task boards into a fast, self-hostable monolith.
ROLESolo Developer
ARCHMonolithic / Life OS Dashboard
INFRADocker / PostgreSQL
Laravel 12PostgreSQLTailwind CSS v4Alpine.js +4
CURRENTLY EXPLORING
  • AI Integration LLM APIs, multi-provider failover
  • Observability Structured logging, system metrics, transaction tracing
  • Infrastructure Docker, Redis, Linux server management
STACK / INFRA
BACKEND
LaravelPHPREST API
INFRA
DockerLinux VPSRedis
DATA
MySQLClickHouseSupabase
FRONTEND
JavaScriptAstroTailwind
ASYNC / JOBS
Queue WorkersWebhooksAsync Pipelines
DEVOPS
GitHub ActionsVercelCloudflare
OPERATOR fazleyrabby.xyz
BUILTAstro · Cloudflare
SOURCEOpen Source
AVAILABILITY OPEN
Available for
  • Backend Development
  • Small fixes
  • Payment gateway / API integration
  • POS, E-commerce solutions
Email Resume LinkedIn
EVENT-DRIVENWEBHOOKSSUPABASECLICKHOUSEREDISAPI DESIGNVPSLINUXASTROBOOTSTRAPTAILWIND CSSJAVASCRIPTCI/CDGITHUBVERCELDOCKERREST APIMYSQLLARAVELPHPEVENT-DRIVENWEBHOOKSSUPABASECLICKHOUSEREDISAPI DESIGNVPSLINUXASTROBOOTSTRAPTAILWIND CSSJAVASCRIPTCI/CDGITHUBVERCELDOCKERREST APIMYSQLLARAVELPHP
CAREER JOURNEY
  1. Electronic First FZ LLE Oct 2021 — Present
    Software Engineer (Laravel)
    • 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
  2. Amcoders Jan 2021 — July 2021
    Laravel Developer
    • 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
  3. Freelance Jan 2020 — Present
    Web Developer
    • 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)
LATEST ENGINEERING NOTES All notes →