
Hello, Im Hoang Binh Quan
I'm a Back-end Engineer with over 2 years of experience building high-performance server-side systems. I specialize in designing scalable RESTful and GraphQL APIs, managing databases, and integrating third-party services.
I have a strong foundation in PHP/Laravel and a track record of implementing complex business logic such as MLM commission hierarchies and workflow automations. I am passionate about writing clean, maintainable code and leveraging AI tools to accelerate development processes.
What I Do.
I specialize in developing backend architectures, designing robust database tables, and creating AI-driven integrations. Here are my primary areas of expertise.
API Design & Optimization
Designing and building high-performance RESTful & GraphQL APIs using PHP/Laravel and Python/Django with optimal schemas.
Database Engineering
Structuring database designs, handling robust migrations, writing strict validators, and optimizing queries using MySQL.
Complex E-commerce Logic
Engineering custom multilevel commission (MLM) hierarchies, tax distributions, promotion rules, and order processing workflows.
AI Integration & n8n
Automating workflows and marketing strategies using AI (OpenAI API) and automation tools like n8n.
Featured Projects.
Explore backend APIs, AI-driven automation systems, and e-commerce platforms representing my work as a Back-end Developer.

A multi-vendor B2C e-commerce platform that enables multiple vendors to register and publish products. Built with high-throughput MySQL queries, structured checkout states, secure payment integrations, and compliance schemas.

An AI-powered content creation and software development support system. Integrates OpenAI APIs and n8n workflows for multi-platform marketing posts, using Redis queues for reliable background task processing.

A firefighting equipment e-commerce platform with unified APIs for Flutter mobile and Next.js web clients. Features multi-level agent commission calculations (MLM), discount campaigns, and warehouse integrations.

A client-side replica of the Fahasa bookstore catalog platform. Leverages JSON Server mock database endpoints to test reactive shopping cart state updates, dynamic filtering, and search functionality.
Get In Touch.
I'm always open to discussing new software engineering roles, backend architectures, or DevOps pipeline setups. Let's make something amazing together.