Sumit Kotiya
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Sumit Kotiya

Android, Blockchain & Backend Developer

Specializing in Android development, backend systems, and blockchain integrations. Experienced in creating scalable applications with real-world impact.

Interactive Terminal
Session: Sumit@Portfolio_v1.0
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Technical Skills

Practical experience across Android development, backend systems, web technologies, and blockchain integrations with smart contract development.

Android Development

  • Android Studio (Java)
  • XML Layouts & Material UI
  • MVVM Architecture
  • Room DB & SQLite
  • Retrofit (REST APIs)

Backend Development

  • PHP REST API Development
  • Authentication & Sessions
  • JWT (Basic)
  • Node.js
  • JDBC

Blockchain & Web3

BSC Live

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  • Smart Contract Development
  • BNB Smart Chain & opBNB
  • Web3.js / Ethers.js Integration

Databases

  • MySQL
  • SQLite
  • Firebase Realtime DB
  • Database Normalization
  • SQL Query Optimization

Programming

  • Java (OOP, Collections)
  • PHP
  • JavaScript (ES6+)
  • C

Tools & Workflow

  • Git & GitHub
  • Postman
  • Debugging & Logging
  • Basic Linux

Web Development

  • HTML5 & CSS3
  • Responsive Design
  • AJAX / Fetch API
  • Tailwind CSS
Physics Engine: Drag & Toss Skills

Work Experience

Jun 2025 - Present

DET Intern | Zanthium Technosoft Pvt. Ltd.

Developing full-stack features using Android (Java), PHP, and Node.js. Focused on bug fixing, REST API integration, and database management with MySQL.

Android PHP Node.js MySQL REST APIs
2024 (3 Months)

Industrial Training – Java | Verma Institute

Completed intensive Java training under the Ministry of Labour Welfare. Built projects focusing on OOP principles and JDBC database connectivity.

Java OOP JDBC Training

Featured Projects

E-commerce App

A complete shopping solution with cart features and PHP-MySQL backend integration.

Android Retrofit PHP MySQL
Blockchain

Crypto Payment Integration

Smart contract-based payment system with BSC integration and Web3.js frontend.

Web3.js Smart Contracts BSC PHP

Real-time Chat App

Secure messaging platform using Firebase for real-time data sync and user authentication.

Firebase Java Real-time Authentication

Get In Touch

I'm always open to discussing new projects, opportunities, or collaboration ideas. Feel free to reach out!

Phone

(+91) 9557799849

Email

sumit.kotiya789@gmail.com