● Open to Work

hit_chaudhary

Full Stack Developer | MERN Stack | React.js | Node.js | PostgreSQL | MongoDB
Ahmedabad, Gujarat

About Me

Full Stack Developer (MERN) with 1+ year of hands-on experience building secure and scalable SaaS applications. Skilled in React.js, Node.js, Express.js, MongoDB, REST APIs, JWT authentication, and role-based access control. Experienced in end-to-end development, system design, and production deployment using Vercel and Render.

Skills & Technologies

JavaScript (ES6+)TypeScriptHTML5CSS3Python (Foundational)React.js (React 19)Redux ToolkitTailwind CSSGSAPResponsive Web DesignSPANode.jsExpress.jsREST APIstRPCMVCJWT AuthRBACSigned Session TokensGeofencing LogicPostgreSQLPrisma ORMMongoDBMongoose ODMSchema DesignGitGitHubVS CodePostmanChart.jsVercelRenderAgileCloudinary

Work Experience

MERN Stack Intern

Tech Innovation
Jun 2026NOW

Delivered full-stack MERN applications across 4+ client projects integrating Cloudinary media management and production-ready features. Applied secure coding practices including input validation and authentication checks using AI-assisted tools. Redesigned live production client website with rapid iteration. Owned requirement gathering and delivery for multiple client projects through deployment.

Projects

Presenso — QR & Geofence-Based Workforce Attendance Platform

Built a biometric-free attendance system replacing traditional fingerprint scanners with phone-based QR and GPS geofence check-in, server-side validated to prevent spoofing. Designed multi-tenant hierarchy with org-level data isolation and audit trails, implemented signed time-bound QR tokens and GPS geofence validation to reject expired codes and spoofing, and automated attendance close-out handling race conditions. Developed leave management with approval workflows and live analytics. Architected, built, and deployed independently on Vercel and Render.

React 19TypeScriptNode.jsExpress+3

Zubi Dubi — Multi-Tenant School Management Platform (SaaS)

Architected multi-tenant SaaS ERP with strict data isolation via verified JWTs. Designed 4-role RBAC system with JWT auth, bcrypt hashing, and route guards. Built responsive React 18 + Vite frontend with reusable dashboard components and GSAP micro-interactions for accessibility.

React.jsViteNode.jsExpress 5+5

Restaurant and Cafe Management System (Full Stack Web App)

Built full-stack POS and order management system supporting dual-mode operation under one platform with MVC architecture. Implemented real-time kitchen order tracking, GST-automated billing, and Kanban-style order board. Developed admin dashboard with Chart.js for revenue analytics and menu management.

React.jsNode.jsExpress.jsMongoDB+4

Education

B.Sc.

Computer Applications & Information Technology

Prayag College Campus, Gujarat2023 - 2026
hit_chaudhary - Full Stack Developer | MERN | HiringAnt