asmshaon - Overview

Hi, I'm Abu Saleh Muhammad Shaon 👋

Full Stack Web Developer • Solution Architect • AI Integrator

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🧑‍💻 About Me

Experienced Full Stack Developer & Solution Architect with 15+ years of building scalable, secure, and high-performance systems.

I specialize in:

  • Large enterprise booking engines
  • Financial systems, digital wallets, secure APIs
  • AI/LLM integrations (OpenAI, LangChain, RAG)
  • Next.js + Laravel + Node microservice architecture
  • DevOps, CI/CD, Docker, Kubernetes, cloud-native design

I'm passionate about crafting clean systems that generate serious business impact - backed by one of the strongest freelance profiles in the industry.


🏆 Achievements

  • 💼 25,000+ Upwork hours - 100% Job Success
  • 🥇 Top-Rated Plus badge for 10+ years
  • 🌍 Work delivered across Australia, USA, Saudi Arabia & Europe
  • 🚀 Completed 44+ Projects with happy clients

🧠 Tech Stack

🚀 Programming Languages

🔧 Frameworks & Libraries

🗄️ Databases

🛠️ DevOps & Cloud

🤖 AI & Integrations

  • OpenAI / LangChain
  • RAG pipelines
  • Embedding search
  • Event-driven architecture
  • Webhook systems & secure integrations

🧑‍💼 Professional Experience

🔹 Full Stack Web Developer

Jan 2010 – Present
Freelancing | Remote | Upwork

  • Full Stack Developer with over 15 years of experience in web technologies
  • Boosted transaction security by 25% by developing a secure RESTful API for a digital wallet and ecommerce platform
  • Created comprehensive admin portals with reporting & analytics
  • Implemented critical security fixes ensuring compliance across financial operations
  • Completed 25K+ Upwork hours with 100% Job Success Score, Top-Rated Plus

🔹 Sr. Web Developer

Jan 2015 – Jan 2020
VroomVroomVroom Pty Ltd | Australia

  • Developed enterprise-grade car rental booking engine using RESTful APIs
  • Built key features: airport retargeting, loyalty programs, dynamic pricing
  • Integrated 20+ international suppliers, managing real-time inventory

🔹 Sr. Software Developer

Jan 2012 – Jan 2015
Okdoit & Moteel.com | Saudi Arabia

  • Built hotel and task management applications using Ruby on Rails and Laravel
  • Enabled email integration, booking systems, and workflow automation
  • Participated in agile development using Scrum

🔹 Web Developer

Jan 2009 – Jan 2011
Bengals Solutions & Informatix Technologies | Bangladesh

  • Increased efficiency by 15% by developing full-stack web applications using Zend Framework and CodeIgniter
  • Improved recruitment workflow by 30% through building an enterprise-grade job portal with advanced search functions

🚀 Featured Projects (Open Source / Public Work)

🔹 Next.js + Laravel Booking Engine (Modular Architecture)

A modern, clean, future-proof adaptation of legacy booking logic into reusable micro-modules.
Tech: Next.js 15, React Server Components, Laravel API, Redis, RAG search.

🔹 Smart Admin Dashboard & Report Builder

Flexible analytics module with dynamic charts, multi-level filtering, and CSV/Excel export.

🔹 AI Chat Integration Layer

A unified wrapper for OpenAI / Anthropic / custom embeddings with RAG support.


📊 GitHub Stats

Contribution chart


🎓 Certifications

  • 🥇 Laravel Certified — 2023
  • 🥇 PHP Certified — 2010

🌐 Find Me Online


⭐ If you like my work, feel free to star a repo or connect!