Dev Chauhan Crafting code that matters

Frontend developer specializing in performance-optimized web applications. Built 50+ production tools serving 10K+ daily users, with expertise in vanilla JavaScript, progressive web apps, and modern CSS architecture.

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devgurjar9897@gmail.com
Uttar Pradesh, India
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Experience

Professional development journey and achievements
Frontend Developer
Freelance & Personal Projects
2023 - Present

Self-taught developer building practical web applications and tools, with 8 completed projects currently live and in use.

  • Built 7 production web applications including VectorCraft (SVG converter), ToolZap (developer utilities), plus 1 Android app (NearChat BLE messaging)
  • Developed responsive web interfaces using vanilla JavaScript, HTML5, CSS3, with focus on performance and accessibility
  • Implemented Android BLE mesh networking for offline communication and web APIs for browser-based tools
  • Achieved 95+ Lighthouse scores across web projects through image optimization, lazy loading, and efficient CSS

Featured Projects

Production-ready applications and open-source contributions

Toole

HTML • CSS • JavaScript

A modern, responsive web application that provides a comprehensive suite of online tools for everyday digital tasks. Built with clean, minimalist design principles and iOS-style typography.

  • Text manipulation tools, converters, and generators
  • Image processing and optimization tools
  • Clean, minimalist interface with intuitive navigation
  • Mobile-first responsive design

Live Demo

ToolZap

HTML • CSS • JavaScript

Collection of 18 coding utilities I use daily. Started as personal tools, now used by 200+ developers based on GitHub analytics.

  • JSON formatter with syntax highlighting using regex parsing
  • Base64 encoder/decoder with drag-and-drop file support
  • Color picker with hex/rgb/hsl conversion algorithms
  • Service worker caching for offline functionality, 12KB total size

Live Demo

NearChat

⭐ 1

HTML • CSS • JavaScript • BLE

Android application using Bluetooth Low Energy (BLE) for offline peer-to-peer messaging without internet connectivity.

  • BLE GATT server/client implementation for device discovery
  • Custom message routing protocol for mesh networking
  • Android BLE API integration with proper permission handling
  • Supports up to 7 concurrent BLE connections per Android device

Live Demo

Portfolio Website

HTML • CSS • JavaScript

Personal portfolio recreating macOS Big Sur interface with functional desktop interactions. Challenged myself to build window management and dock animations using only vanilla JavaScript.

  • Window dragging with CSS transforms and mouse event handling
  • Dock magnification effect using CSS calc() and hover states
  • Modal system for app windows with z-index management
  • Local storage for user preferences and window positions
Live Demo

SVG Icon Showcase

HTML • CSS • JavaScript • JSON

A comprehensive collection of SVG manipulation tools and utilities for web developers and designers. Includes optimizers, converters, and interactive editors.

  • SVG optimization and minification tools
  • Format conversion utilities
  • Interactive SVG editor and viewer
  • Batch processing capabilities

Live Demo

Education

Academic background and certifications
Bachelor of Technology in Computer Science
MIET (Meerut Institute of Engineering and Technology)
2024 - 2028

Second-year student focusing on programming fundamentals and web development.

  • Completed: C/C++ Programming, Data Structures (Arrays, Linked Lists, Stacks)
  • Currently studying: Object-Oriented Programming, Database Systems
  • Learning web development through personal projects alongside coursework
CSS (Basic) Certificate
HackerRank
2024

Certified in CSS fundamentals including selectors, styling, layout properties, and responsive design techniques.

View Certificate
LeetCode Achievements
LeetCode Platform
2023 - Present

Active competitive programming practice with focus on data structures and algorithms.

  • Solved 350+ problems across arrays, strings, trees, and dynamic programming
  • Earned SQL Study Plan Badge (Top 50 SQL problems completed)
  • Strong foundation in algorithmic problem-solving and optimization
  • Regular practice maintaining consistent problem-solving streak

Skills & Technologies

Technical expertise and development stack

Frontend Development (2+ years)

JavaScript ES6+ HTML5/CSS3 Responsive Design Web APIs PWAs

Built 8 production apps using vanilla JS. Currently learning React.

Web Technologies

WebRTC Bluetooth LE Canvas API SVG Manipulation File APIs

Specialized in browser APIs and real-time communication.

Development Tools

Git/GitHub VS Code Chrome DevTools Figma GitHub Pages

Daily workflow tools for development and design.

Currently Learning

React Node.js TypeScript AWS Services

Expanding skillset for full-stack development.

Let's Connect

Open to frontend engineering roles focusing on performance optimization and user experience