# Ahasanul Arafath
> AI Agent & Full-Stack Developer based in Dhaka, Bangladesh. Specialized in AI SaaS, B2B, B2C, custom web apps, autonomous AI agents, Python, Django, Next.js, and API integration. Open for remote opportunities globally.

## About
A solo powerhouse developer building scalable software for startups and enterprises. I handle the full lifecycle: consultation, architecture, development, testing, deployment, and ongoing maintenance.

## Services and Expertise
- AI Agent & Full-Stack Developer
- AI Integrations & Workflows
- Custom CRM, HRM, and POS Systems
- Web Application Development
- Cloud & FinOps Optimization
- API Integrations
- Scientific applied AI/ML (computer vision, healthcare AI)

## Case Studies
- [ZeroDelay AI](https://ahasanularafath.com/case-studies/zerodelay-ai): A turnkey AI Inside Sales Agent (ISA) for real estate professionals. It intercepts leads, qualifies them via sub-5-second SMS responses, and automatically books appointments into standard industry CRMs
- [PosifyHub](https://ahasanularafath.com/case-studies/posify_hub): A Multi-tenant Inventory and POS management SaaS designed especially for SME's
- [Cloud Auditor](https://ahasanularafath.com/case-studies/cloud_auditor): A high-performance cloud auditing backend for AWS & Azure. It automates cost savings and security checks using a custom, concurrent Python framework to analyze massive workloads in real-time.
- [Virtual Investor Pal](https://ahasanularafath.com/case-studies/virtual_investor_pal): A real estate intelligence SaaS providing advanced investment analysis. It processes terabytes of property data to deliver financial insights, market trends, and rental estimations in real-time.
- [Trading Card Manager](https://ahasanularafath.com/case-studies/trading_card_manager): A massive-scale data processing ecosystem managing 24M+ trading cards. It integrates a distributed database architecture with high-speed scraping to automate inventory management and eBay listings.

## Recent Insights
- [Architecting Enterprise-Grade Multi-Tenant SaaS with Next.js and Supabase](https://ahasanularafath.com/insights/architecting-multi-tenant-saas-nextjs-supabase): A complete technical blueprint for B2B SaaS builders. Learn how to implement secure database isolation with Supabase RLS, optimize connection pooling, and handle dynamic subdomains in Next.js.

## Key Links
- [Homepage](https://ahasanularafath.com/): Overview of services and client reviews.
- [Contact](https://ahasanularafath.com/#contact): Schedule a free enterprise consultation.