Resume

MD Rajibul Islam

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Location Durgapur, West Bengal, India
Website rajibul.in

Professional Summary

Android Developer and Software Engineer with 3+ years of experience building purposeful mobile applications. Proven track record with 10,000+ downloads across published apps. Specializes in offline-first architecture, Material Design implementation, and creating user-centric solutions. Founder & CEO of Raji's Lab, leading development of innovative technology solutions for educational institutions and productivity-focused users.

Experience

Founder & CEO

Raji's Lab

2022 - Present
  • Founded and lead a technology company focused on mobile applications and QR-based solutions
  • Developed and published 5+ Android applications with 10,000+ combined downloads
  • Built QR Attendee, an offline attendance management app used by educational institutions across India
  • Created Progressive Pomo, an AI-powered productivity app with adaptive focus sessions
  • Managed full development lifecycle from ideation to Play Store deployment and maintenance

Android Developer

Freelance / Contract

2021 - Present
  • Delivered custom Android applications for educational institutions and small businesses
  • Implemented Firebase authentication, cloud storage, and real-time database solutions
  • Built Creative Student app for Creative Computer Institute with custom attendance features
  • Provided technical consultation on mobile app architecture and best practices

Education

B.Tech in Computer Science & Engineering

Currently Pursuing

Expected 2027

Focus on Software Engineering, Mobile Application Development, and Systems Design

Key Projects

QR Attendee • 10K+ Downloads

Offline attendance management app using QR code technology. Features instant scanning, automatic report generation, and complete offline functionality.

Java Room Database Material Design

Progressive Pomo • AI-Powered

Adaptive focus timer with AI voice assistant "Brio". Progressive session lengths, project analytics, and voice control for hands-free productivity.

Kotlin Jetpack Compose MVVM

QR Attendee Enterprise • Cloud-Based

Enterprise version with Firebase backend for multi-user organizations. Real-time sync, cloud storage, and organization-wide reporting.

Java Firebase Firestore

Technical Skills

Languages

Kotlin, Java, JavaScript, HTML/CSS, SQL

Android Development

Jetpack Compose, Material Design, MVVM, Room Database, Navigation Component

Backend & Cloud

Firebase (Auth, Firestore, Storage), REST APIs, Node.js Basics

Tools & Platforms

Android Studio, Git, GitHub, Figma, Google Play Console

Design & UX

UI/UX Design, Figma, Adobe XD, User Research, Accessibility

Methodologies

Agile, Clean Architecture, Offline-first Design, Systems Thinking

Achievements & Impact

  • 10,000+ total app downloads across published applications
  • 4.5+ star average rating on Google Play Store
  • 5+ applications successfully published and maintained
  • Helped educational institutions save hundreds of hours in attendance management
  • Built and maintain Raji's Lab, serving thousands of users daily
  • Created offline-first solutions used in areas with limited connectivity

Online Presence

🌐 Portfolio: rajibul.in 💻 GitHub: @rajibulcr 💼 LinkedIn: @rajibulcr 🏢 Company: rajislab.com