I'm Asadullah Shahbaz, a Full Stack Software Engineer focused on building scalable applications, backend systems, SaaS platforms, developer tools, and intelligent automation.
🚀 I enjoy turning real-world business and technical problems into reliable software, with a particular interest in backend architecture, APIs, microservices, event-driven systems, and AI automation.
💻 My experience includes building multi-tenant platforms, payment infrastructure, synchronization systems, security tools, business automation, and serverless APIs.
🧠 I care about writing software that is maintainable, secure, scalable, and practical rather than simply making an application work.
🌱 I'm continuously exploring distributed systems, cloud architecture, AI agents, system design, and modern backend technologies.
📫 I'm open to software engineering opportunities, SaaS projects, AI automation, backend engineering, and interesting technical collaborations.
Multi-Tenant Event-Driven Payment Infrastructure
A scalable payment platform built with microservices for payments, subscriptions, merchants, refunds, payouts, and webhook processing.
Highlights
- Microservices architecture
- RabbitMQ event-driven communication
- Stripe integration
- Idempotent payment processing
- Multi-tenant architecture
- Webhooks & transaction processing
Tech Stack
Node.js Express MongoDB RabbitMQ Stripe JWT
Developer File Synchronization & Backup Ecosystem
A developer-focused platform for synchronizing workspaces across devices with backup, conflict resolution, desktop management, and CLI support.
Highlights
- Real-time synchronization
- Backup & conflict resolution
- Electron desktop client
- Developer CLI
- Docker deployment
- Monorepo architecture
Tech Stack
Electron React TypeScript Node.js Express SQLite Docker
Multi-Tenant Business Intelligence Assistant
A business assistant connecting live business data with WhatsApp and Telegram to provide actionable insights and automated reports.
Highlights
- Multi-tenant architecture
- Business data integrations
- WhatsApp & Telegram
- Automated business reporting
- Context-aware insights
- Provider/model routing
Tech Stack
TypeScript Node.js WhatsApp Telegram Google Sheets Notion Airtable Supabase
WordPress Security & Traffic Intelligence
An enterprise WordPress security plugin designed to detect click fraud, malicious bots, automated attacks, and suspicious traffic.
Highlights
- Click-fraud detection
- Advanced bot detection
- Browser fingerprinting
- Behavioral analysis
- Risk-based scoring
- Automated threat blocking
- Telegram security alerts
Tech Stack
PHP JavaScript WordPress Browser Fingerprinting Behavioral Analytics
Universal Serverless Chat Backend
A plug-and-play Vercel API designed to connect existing chat widgets with a local knowledge and response engine.
Highlights
- Universal
POST /api/chat - Multiple input formats
- TF-IDF knowledge retrieval
- Local response synthesis
- Dynamic knowledge management
- CORS-enabled integration
Tech Stack
TypeScript Vercel Serverless Functions TF-IDF REST API
| Area | Technologies |
|---|---|
| Frontend | React · Next.js · TypeScript · Tailwind CSS |
| Backend | Node.js · Express · REST APIs |
| Databases | MongoDB · PostgreSQL · SQLite |
| Architecture | Microservices · Event-Driven Architecture · Multi-Tenancy · RPC · Pub/Sub |
| Infrastructure | Docker · RabbitMQ · AWS · Linux |
| Automation & AI | AI APIs · Knowledge Retrieval · Workflow Automation |
- ☁️ AWS & Cloud Architecture
- 🏗️ Distributed Systems & System Design
- 🔄 Event-Driven Architecture
- 🤖 AI Agents
- 🔗 LangChain
- 🔌 Model Context Protocol (MCP)
I'm always interested in building useful software and solving challenging technical problems.
⭐ Thanks for visiting my profile!