10/07/2026 updated

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Full Stack Web Developer | React.js | Node.js | Three.js | 3D Web Experiences

Ghaziabad, India
Worldwide
B.Tech in Information Technology
Ghaziabad, India
Worldwide
B.Tech in Information Technology

Profile attachments

ketan_general_fullstack (1).pdf

About me

Hi, I am a Full time Full Stack Developer Committed to provide the services at the affordable rates.

Tailwind CSSHTMLJavaScriptMongoDBNode.jsNext.jsSQL DatabasesThree.jsReact.js
Frontend Development
Expertise in building modern, responsive user interfaces using React.js, Three.js, React Three Fiber (R3F), HTML5, CSS3, and Tailwind CSS, including immersive 3D web experiences with WebGL and GLSL shaders.

Backend Development
Proficiency in developing secure and scalable REST API backends using Node.js and Express.js, including JWT authentication, HTTP-only cookies, bcryptjs password hashing, and ACID-compliant transaction management.

Database Management
Hands-on experience with MongoDB, Mongoose, and MySQL, including advanced usage of MongoDB Aggregation Pipelines, Sessions, TTL indexes, and double-entry ledger system design.

3D Graphics & Animation
Development of scroll-driven 3D animations using GSAP ScrollTrigger, synchronizing camera movement and model transformations across multiple axes for smooth user interaction.

GLSL Shader Programming
Custom GLSL Fragment Shader programming using the onBeforeCompile hook to enable GPU-driven hover texture morphing, minimizing CPU overhead and preventing runtime shader recompilation.

API Design & Security
Design of API idempotency layers to prevent duplicate payments and double-charging, along with token blacklisting systems and integration of Nodemailer and Google OAuth2 for automated notifications.

Rendering Performance Optimization
Optimization of browser rendering efficiency through Normal Maps, Matcap textures, and Flexbox layouts, reducing geometry complexity, unnecessary paint cycles, layout shifts, and GPU memory usage.

Data Structures & Algorithms
Solved 350+ Data Structures and Algorithms problems using C++ on platforms like LeetCode and GFG, with strong skills in Arrays, Strings, and other fundamental data structures.

Tools & Platforms
Practical experience with Git, GitHub, Postman, Render, and VS Code for version control, API testing, deployment, and development workflows.

Experience

Professional experience0 - 5 years
Freelancer since2026

Languages

EnglishFluentHindiNative speaker

Project history

Full Stack Developer - Banking Transaction & Ledger System

Personal Project
Engineered a secure and scalable REST API backend with JWT authentication, HTTP-only cookies, and bcryptjs password hashing. Architected a double-entry ledger system using MongoDB Aggregation Pipelines. Implemented MongoDB Sessions and ACID transactions for data integrity. Designed an API idempotency layer and built a token blacklisting system with MongoDB TTL indexes, integrating Nodemailer and Google OAuth2.

Frontend Developer - Interactive 3D Web Experience (DogStudio Clone)

Personal Project
Developed an immersive interactive 3D web experience using React Three Fiber and WebGL to load, render, and manipulate complex .glb 3D models. Engineered scroll-driven 3D animations using GSAP ScrollTrigger. Optimized rendering performance with Normal Maps and Matcap textures. Programmed custom GLSL Fragment Shaders and enhanced browser rendering efficiency using optimized Flexbox layouts.

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