Available for Projects

नमस्ते, I'm

Happy Heart

दिलखुश — Dilkhush

I build |

From a curious kid in Bihar who dreamed of hacking systems,
to a self-taught AI developer building the future — one line of code at a time.

View My Work Let's Connect
0+ Years Learning
0+ Projects Built
0h/day Daily Learning
Happy Heart — AI Developer
React
Node.js
AI/ML
Security
Scroll
// 01. about_me

The Story Behind the Code

happy_heart@dev:~$
$ whoami
Happy Heart (Dilkhush) — AI Full Stack Developer
$ cat origin.txt
Bihar, India 🇮🇳 — Middle-class village background
$ cat journey.log
2019-2020: Started with curiosity about hacking & tech
2021-2022: Learned HTML, CSS, JS, Node.js from scratch
2023-2024: Dived deep into AI tools & full-stack dev
2025+: Building own products & tech business 🚀
$ cat daily_routine.sh
5-6 hours/day: AI research, coding, building projects
$ echo $PASSION
Cybersecurity + AI + Web Development + Entrepreneurship
$ _

Origin

Born and raised in a middle-class village in Bihar, India. Proof that geography doesn't limit greatness.

The Spark

Childhood fascination with hacking and how systems work ignited a lifelong passion for technology and cybersecurity.

AI-First Mindset

Spends 5–6 hours daily mastering AI tools, frameworks, and building intelligent web applications from scratch.

The Vision

Building his own tech business and applications — turning a village kid's dream into a global digital reality.

// 02. tech_stack

Skills & Arsenal

Frontend

HTML5 / CSS395%
JavaScript (ES6+)88%
React.js82%
Tailwind CSS90%
Next.jsGSAPThree.jsFigma

Backend

Node.js / Express85%
REST APIs90%
MongoDB80%
Payment Systems78%
PostgreSQLRedisJWTVercel

AI Tools

Prompt Engineering92%
OpenAI / GPT APIs85%
AI-Assisted Dev90%
Automation80%
LangChainHugging Facen8nZapier

Secure Systems

Web Security82%
Auth Systems88%
API Security85%
Cybersecurity75%
OWASPHTTPS/SSLOAuth2Encryption
React•Node.js•MongoDB• Express•Next.js•Tailwind• OpenAI•Python•Git• Vercel•Firebase•JWT• REST API•GSAP•Three.js• React•Node.js•MongoDB• Express•Next.js•Tailwind• OpenAI•Python•Git• Vercel•Firebase•JWT• REST API•GSAP•Three.js•
// 03. projects

Featured Builds

Featured
ownpay-api-getway.vercel.app
OwnPay Gateway
₹ 2,499.00
Process Payment
Node.js Express Payment API

OwnPay — Payment Gateway

A custom-built payment gateway API system. Handles secure transactions, webhook integrations, and real-time payment processing — built entirely from scratch without relying on third-party SDKs.

Live Demo Source
happyheart.dev
HTML/CSS JavaScript Animations

Cyberpunk Portfolio

This very portfolio — a fully custom-built cyberpunk developer portfolio with particle systems, 3D tilt effects, glassmorphism UI, and smooth scroll animations. Zero frameworks, pure craft.

Live Source
ai-assistant.vercel.app
Hello! How can I help?
Build me a website...
OpenAI API Node.js React

AI Chat Assistant

A full-stack AI chat application powered by OpenAI GPT. Features real-time streaming responses, conversation history, and a sleek dark UI with neon accents.

Live Source
secure-auth.vercel.app
Authenticate
JWT OAuth2 Security

Secure Auth System

A production-grade authentication system with JWT tokens, OAuth2 social login, rate limiting, and brute-force protection. Built with security-first principles.

Live Source
// 04. services

What I Offer

AI Website Development

Cutting-edge websites powered by AI — from intelligent chatbots to personalized user experiences. Built fast, built smart, built to convert.

  • AI-integrated web apps
  • Custom UI/UX design
  • Performance optimized
Starting at ₹5,000

Automation Systems

Automate repetitive tasks, workflows, and business processes using AI and custom scripts. Save time, reduce errors, scale effortlessly.

  • Workflow automation
  • API integrations
  • Bot development
Starting at ₹3,000

Secure Backend Systems

Robust, secure backend APIs and server infrastructure. Authentication, payment systems, data protection — built with security at the core.

  • Secure REST APIs
  • Payment gateway integration
  • Auth & authorization
Starting at ₹4,000

Full Stack Web Apps

End-to-end web application development — from database design to pixel-perfect frontend. Scalable, maintainable, and production-ready.

  • MERN stack apps
  • Real-time features
  • Cloud deployment
Starting at ₹8,000
// 05. contact

Let's Connect

Have a project in mind? Let's build something extraordinary together.

Get In Touch

Whether you need an AI-powered website, a secure backend, or just want to talk tech — I'm always open to new opportunities and collaborations.

Location Bihar, India 🇮🇳
Response Time Within 24 hours
Status Available for Work