# Pawan Mall | Senior PHP Developer, CRM Architect & AI Automation Specialist

Pawan Mall is a highly accomplished Senior PHP Developer, CRM Architect, and AI Automation Specialist with over 15 years of professional experience. He specializes in architecting high-performance, enterprise-grade backends, custom CMS platforms, CRM automation, conversational AI voice call agents, AI-based API integrations, and cloud architectures.

## Contact Information
- **Location**: New Delhi, India
- **Email**: mail@pawanmall.in
- **Phone**: +91 8826809995
- **Website**: https://www.pawanmall.in
- **Social Profiles**:
  - GitHub: https://github.com/MrPawanMall
  - LinkedIn: https://www.linkedin.com/in/ipawan/
  - StackOverflow: https://stackoverflow.com/users/1330843/pawan-mall
  - Twitter: https://x.com/pawan_mall
  - Facebook: https://www.facebook.com/Mr.PawanMall/
  - YouTube: https://www.youtube.com/@GyanBodh88
  - Instagram: https://instagram.com/pawanmall
  - CodePen: https://codepen.io/iPawan

## Technical Stack & Expertise
- **Programming Languages**: PHP 8.x (OOP/MVC), JavaScript, SQL, HTML5, CSS3
- **Frameworks & CMS**: CodeIgniter (3 & 4), Laravel, React.js, WordPress / WooCommerce, Shopify
- **Cloud & DevOps**: AWS (EC2, S3, RDS, Lambda), Docker, Linux Server Administration
- **Databases & Architecture**: MySQL, MariaDB, RESTful API Design, Microservices, SSL/AES Encryption, Payment Gateway Integrations (Razorpay, Stripe, Paypal, PayUMoney)
- **AI & Automation**: OpenAI SDK, ChatGPT API, Retell API, Vapi API, Twilio Voice automation, LangChain, Flowise, webhook-driven data workflows

## Project Highlights
1. **E-Commerce & Custom CMS Platforms**:
   - Built custom multi-tenant marketplaces, wellness e-commerce systems, and exams portal.
   - Optimized database query responses down to 1.2ms and page loads to under 0.8s.
2. **AI Writer & Tweet Automator**:
   - Developed custom CodeIgniter 4 CMS integrated with OpenAI's ChatGPT APIs for content generation and automated social scheduling.
3. **Enterprise CRM Portals**:
   - Employee Monitor SaaS supporting 80+ tenants with secure API syncing for mobile/desktop client apps.
   - CA File Sharing Platform utilizing secure AWS S3 document vaults with 256-bit encryption.
4. **AI Call Agents & Workflow Automation**:
   - Designed and built conversational voice calling agents powered by Retell/Vapi APIs, Twilio voice routing, and custom Webhook endpoints.
   - Automated lead qualifying and scheduling using LangChain/Flowise pipelines.

## Development Philosophy
- Focuses on translating complex, nested business requirements into clean, decoupled, and testable code.
- Prioritizes web performance optimization (Core Web Vitals), data security, and database indexing.