Next.js 15
React.js 19
TypeScript
Tailwind CSS
shadcn/ui
Node.js
Express.js
JWT / RBAC
express-validator
Nodemailer
MySQL
MongoDB
Prisma ORM
Mapbox GL JS
Cloudinary
WordPress
Multer
Postman
Next.js 15
React.js 19
TypeScript
Tailwind CSS
shadcn/ui
Node.js
Express.js
JWT / RBAC
express-validator
Nodemailer
MySQL
MongoDB
Prisma ORM
Mapbox GL JS
Cloudinary
WordPress
Multer
Postman
// Experience
Where I've
Worked
Building production-grade systems with real users, real scale, and real impact.
Education
B.E. - Information Communication Technology
LJ Institute of Engineering & Technology
2020 – 2024 · CPI: 8.2/10 (80%)
HSC - GSHSEB70%
SSC - GSEB88%
Nalanda School, Godhra
Full Stack Developer
Crewultima TechnologiesFull-time
Jan 2025 – Present
Ahmedabad, Gujarat
- Spearheaded CREWERA - a full-scale PropTech platform with Next.js 15 & sub-second page loads
- Engineered 30+ normalized MySQL tables with connection pooling, reducing latency by 45%
- Built RBAC system with JWT & bcryptjs gating 40+ REST API endpoints
- Advanced query engine supporting 15+ dynamic search filters over thousands of listings
- Enterprise Admin Dashboard with 15 modular CRUD interfaces & shadcn/ui
- Multer media service supporting 20 images/payload with segmented file-system routing
MERN Stack Intern
Dataverse InfotechInternship
Jan 2024 – July 2024
Ahmedabad, Gujarat
- Built responsive web apps with React.js, Node.js, MySQL & MongoDB
- Developed RESTful APIs with comprehensive CRUD operations & data validation
- Integrated payment gateways & email notification systems
- Improved code quality by 25% through agile code reviews
// Projects
What I've Built
Featured
Hotel Teja - Integrated Hospitality ERP
An enterprise-grade, integrated hospitality management ERP engineered for the Indian hotel and restaurant industry. Hotel Teja replaces fragmented software with a unified system featuring real-time room booking grids, a high-speed restaurant POS with KOT automation, GST-compliant financial invoicing, audit-ready payroll, and 12+ specialized hospitality reports - built with Next.js 14, PostgreSQL, Prisma ORM, JWT-based security, and custom SVG analytics.
Next.jsReactPostgreSQLPrisma+5
Featured
Salvio
An enterprise-grade, production-ready salon management platform engineered specifically for the Indian salon industry. Salvio replaces notebooks, spreadsheets, and fragmented tools with an integrated system featuring billing automation, GST-compliant email invoicing, a multi-tier commission engine, 12 specialized financial reports, multi-salon management, a 4-role RBAC system, in-app support tickets, and a full admin panel — built with Next.js 14, PostgreSQL, Prisma ORM, NextAuth.js, Recharts, and Zod.
Next.jsReactPostgreSQLPrisma+2
Featured
Raw data to Webpage Convertor
A zero-backend browser tool that converts raw markdown or plain text into a fully styled, responsive, self-contained HTML documentation page — complete with auto-generated table of contents, Prism.js syntax highlighting, dark/light theme toggle, mobile sidebar navigation, split-screen editing, search & replace, PDF export, and markdown export. No server, no dependencies, one-click download.
Next.jsReactTailwind CSS
New Feature
Learn from
Real-World Projects.
I've launched a brand new learning platform! Master Next.js, React, and Full Stack Development through highly interactive, beautifully crafted courses. No fluff, just practical engineering.
- Structured Chapters & Lessons
- Interactive "Try it Yourself" Code Demos
- Track your progress step-by-step
100+ Lessons
Comprehensive structured curriculum
BasicInt.Adv.Expert
learn.tsx
import { RealWorldProjects } from '@/portfolio';
export default function MasterClass() {
return (
<Course tier="Expert">
// Interactive try-it-yourself sandbox
<RealWorldProjects practical={true} />
</Course>
);
}
// Services
What I Offer
End-to-end development - from normalized DB schemas to pixel-perfect UIs and enterprise security.
// Process
How I Work
A streamlined, transparent workflow to turn your ideas into production-ready reality.
01
Discovery & Strategy
Understanding your goals, technical requirements, and target audience.
02
Architecture & Design
Designing the database schema, APIs, and planning the UI/UX layout.
03
Development
Writing clean, scalable code with regular progress updates and staging environments.
04
Deployment & Support
Launching the project, optimizing performance, and providing post-launch support.
// Skills
My Full Stack Toolkit
Proficient across the entire stack - from designing 30+ normalized MySQL schemas with 45% improved query latency, to building interactive Mapbox GL JS visualizations and enterprise JWT/RBAC security layers.
frontend
backend
database
tools
Next.js 15
React.js 19
TypeScript
Tailwind CSS
shadcn/ui
Node.js
Express.js
JWT / RBAC
express-validator
Nodemailer
MySQL
MongoDB
Prisma ORM
Mapbox GL JS
Cloudinary
WordPress
Multer
Postman
// Blog
Latest Articles
Featured
AIClaude MythosAnthropic
Claude Mythos: The Most Powerful AI Model Anthropic Built - and Why You Can't Use It
Anthropic built Claude Mythos — an AI that found 271 Firefox vulnerabilities and hacked a simulated corporate network. Then they locked it away. Here's what it can do, why normal users can't access it, and what India is doing about being left out.
May 16, 20268 min read
VercelSpeed Insights
My Site Scored 97 on Vercel Speed Insights: A Real-World Core Web Vitals Breakdown
Vercel Speed Insights gave my Next.js portfolio a Real Experience Score of 97 — FCP 1.67s, LCP 2.44s, INP 56ms, CLS 0. Here's what each metric means, why it matters for SEO, and exactly how I achieved these scores.
May 14, 20268 min read
Vercel AnalyticsPortfolio
My Vercel Analytics Deep Dive: Who's Visiting My Portfolio, Where They're From, and What They're Reading
I dug into my Vercel Analytics dashboard and found something surprising - 70% mobile visitors, 59% from India, and Google + Instagram as my top traffic sources. Here's what the data says and what I'm changing because of it.
May 14, 20268 min read
// Testimonials
What People Say
"
"Harsh delivered an excellent full-stack application with clean code and great attention to detail. His expertise in React and Node.js is impressive."
C
Client
Project Manager, Crewultima
"
"Outstanding developer! Harsh optimized our database queries and reduced response times by 40%. His JWT implementation was secure and well-structured."
D
Dataverse Mentor
Senior Developer
"
"Professional, reliable, and incredibly talented. Harsh took our project requirements and delivered beyond expectations. Highly recommended!"
T
Tech Lead
Development Director
// Freelance Profiles
Hire Me Securely
Available for 2 projects
Let's build something remarkable
Whether it's a PropTech platform, SaaS tool, or WordPress site - I bring the same level of engineering excellence and attention to detail to every project.