// welcome to my workspace

Hi, I'm Atul Sah

I am a Full-Stack Developer.

Atul Sah is a Computer Science Educator, Technical Author, and Full-Stack Developer based in Patna, India. He serves as Faculty in the Department of Computer Applications at B.N. College, Patna University, and has authored 8 technical books covering Artificial Intelligence, Machine Learning, Java Programming, and Cybersecurity. His engineering work spans full-stack enterprise systems, AI research, and applied software development.

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Books Published

16+

Skills Mastered

Years of Impact

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Featured Project

Enterprise Deployment

Multi-Role Service Desk

5-role support desk with real-time SSE event stream, automated SLA timers & 24h reopen policy.

Staff HRMS & Payroll

Staff leave/attendance management, dynamic tax rules, and automated salary slip generation.

Warehouse Inventory

Multi-hub equipment tracking, hardware fault replacement workflows, and regional dispatch.

Enterprise IT & Mobility Rentals

Hyphenet Enterprise Portal

Node.js, Express & MySQL Relational Architecture

A unified, full-stack enterprise web portal and IT service desk management system developed for Hyphenet Enterprises. Delivers a 5-role support desk with real-time SSE event streaming, automated SLA escalations, and Google Workspace email routing, integrated with a comprehensive Staff HRMS & Automated Payroll Engine and Multi-Hub Warehouse Inventory Tracking.

5-Role IT Service Desk & Real-Time SSE Stream

Google Workspace Service Account Email Routing

Staff HRMS & Automated Payroll Engine

Multi-Hub Warehouse Inventory Tracking

Technologies Used:

Node.js Express.js MySQL Server-Sent Events PWA Google Workspace API

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// published materials

Featured Publications

Agentic AI Systems & Autonomous Agents

A comprehensive guide to building autonomous AI agents, multi-agent frameworks, RAG architectures, and production safety guardrails.

Buy on Amazon

Generative AI: An Introduction

An engaging guide introducing the principles, tools, and impacts of generative artificial intelligence in today's digital landscape.

Buy on Amazon

Machine Learning: From Basics to Advance

A step-by-step roadmap to mastering machine learning algorithms, models, and mathematical foundations with ease.

Buy on Amazon

View All 8 Books