Foyaz Ullah Shahin
Building scalable backend systems for enterprise and government — now extending that into practical AI systems engineering.
I'm a
Technical Skills
Technologies I work with daily
What I Do
Services I offer
Backend Development
Robust server-side apps with Laravel, PHP
API Development
RESTful API design and integrations
Frontend Development
Modern interfaces with React, Vue.js
DevOps & Cloud
AWS deployment, Docker, CI/CD
Full Stack Solutions
End-to-end web applications
Performance
Database optimization and caching
AI Integration
Embedding LLMs and AI into applications
RAG Systems
Document Q&A with retrieval-augmented generation
MCP Development
Model Context Protocol tools for AI agents
Free Developer Tools
Browser-based utilities I've built and use myself — no sign-up required
Remote Console Inspector
Debug JS console errors, network requests, and rendering bugs live on Smart TVs, kiosks, and embedded browsers with no devtools.
Try it →cURL API Tester
Paste cURL commands and execute API requests directly in your browser. Convert to code, inspect responses, debug with AI.
Try it →JSON Formatter
Format, validate, and beautify JSON with AI-powered auto-correct and a tree view.
Try it →Laravel Log Viewer
Parse and analyze Laravel log files with AI-powered error solutions, right in your browser.
Try it →JWT Decoder
Decode and debug JSON Web Tokens — inspect the header, payload, and signature instantly.
Try it →Traceroute & Network Tools
Run traceroute, ping, DNS lookups, and WHOIS checks directly from your browser.
Try it →Work Experience
My professional journey
- Designed and deployed an LLM-powered RAG system with MCP server orchestration for intelligent document processing and AI-driven automation.
- Architected and delivered 20+ government-scale platforms comprising 150+ modules, serving 1M+ citizens.
- Architected 50+ enterprise REST APIs integrating 26+ government stakeholder systems.
- Co-Team Lead: led architecture decisions and code reviews for a team of engineers.
- Mentored 4+ developers and established coding standards, accelerating delivery by 25%.
- Optimized database schemas and query performance for high-traffic government platforms.
- Developed secure, scalable web applications end-to-end, establishing engineering practices adopted across the team.
- Built a commercial accounting platform (Namtaa) with Laravel and CodeIgniter, delivering REST APIs and real-time data services.
- Implemented secure authentication systems.
- Built a real-time notification system.
- Designed database schemas
- Created reusable component library
- Implemented payment gateway integrations
AI-Powered Development
Building intelligent systems with modern AI tools
offerkoi.bd — Live Offer Finder
A live Bangladeshi deals site I built and launched. AI reads banks', MFS and telecom providers' offer pages, removes duplicates, and lets people search by plan in বাংলা or English.
RAG Document Chat
Upload documents and ask questions. AI retrieves relevant content and generates accurate answers using Retrieval-Augmented Generation.
Explore →AI Agent
Autonomous AI agent with ReAct reasoning that plans, calls tools, and shows every step it takes. Try the public demo by giving it broken JSON to repair.
Explore →MCP Server
Model Context Protocol integration for AI agents. Expose tools and data to external AI systems with secure API endpoints.
Explore →Semantic Search
Vector-powered site search using pgvector and Gemini embeddings. Finds results by meaning, not just keywords.
Explore →Education & Certifications
Academic background & development
🎓 Jahangirnagar University
MSc in Computer Science
🎓 Bangladesh University
BSc in Computer Science
🏆 Certifications
ACMP 4.0
IBA, University of Dhaka
PHP to Basic CodeIgniter
BD Jobs Training
Android Apps Development
Ministry of ICT
Let's Connect
Collaborate, innovate, and build together