Hi, I'm Prajwal Gujar

Android Developer

I am Android Developer with 3+ years of experience in designing, developing, and optimizing high-performance mobile applications. Proficient in Kotlin, Android SDK, and MVVM architecture, Jetpack components, performance optimization, and API handling.Passionate about delivering seamless user experiences .

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About Me

Hello, I’m Prajwal Shekhar Gujar, an Android Developer with over three years of experience in designing and developing mobile applications. I specialize in Kotlin, Jetpack Compose, and MVVM architecture, with expertise in performance optimization, API handling, and real-time data synchronization. I’m always eager to collaborate on innovative projects and optimize app performance. Looking forward to connecting!

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My Journey

Education

2015 - 2019

Bachelor of Engineering(BE), Computer Engineering

Amrutvahini College of Engineering( AVCOE ) (Sangamner, Maharashtra)

Experience

2021 -2024

Android Developer | Barquecon Technologies

•Developed and deployed 5+ Android applications with scalable and maintainable architectures.
•Reduced app crash rates by 20% through efficient exception handling and ANR resolution.
•Optimized API handling and database performance, improving app responsiveness by 30%.
•Collaborated with UX designers to enhance user experience, increasing engagement by 15%.
•Mentored 3 junior developers, improving team efficiency and knowledge sharing.
• Contributed to the adoption of agile methodologies, utilizing Jira and Confluence, improving team productivity by 15%through iterative development cycles.
• Collaborated with UX designers to enhance user experience, increasing engagement by 15%.
• Cut crash rates by 20% via structured error handling

2024 -2025

Android Developer | Freelance

* Developed self-initiated Android applications using Kotlin, MVVM, Room Database, and Coroutines.
* Created sample apps integrating Retrofit, Firebase (Auth, FCM), and Google Maps API.
* Published personal projects and updated Android Dev Portfolio.
* Built and maintained utility-based apps to practice real-world architecture and UI design patterns.
* UsedJetpack Compose and Material Design 3 to prototype modern UI components.
* Participated in Android developer forums and contributed to open-source discussions on Stack Overflow and GitHub.
* Published projects on GitHub and wrote technical READMEs to demonstrate best practices.

My Skills

Coding Skills

Kotlin 90%

Java 75%

Jetpack Compose 80%

Room Database 85%

Retrofit & WebSockets 80%

Firebase (Auth, Firestore, Cloud Messaging) 90%

Professional Skills

Problem Solving 90%

Team Collaboration 85%

Communication 80%

Project Management 75%

Mentoring & Leadership 85%

My Projects

🚗 Autosgrid

Tech Stack: Kotlin, Firebase, MVVM

Role: Lead Android Developer

  • Developed core features with real-time updates for enhanced security.
  • Integrated Firebase for authentication and push notifications.
  • Implemented role-based access and secure data handling.
  • Optimized communication between the app and backend.
  • Uploaded to Play Store and maintained regular updates.
📲 Play Store Link

⏱️ ArunPol

Tech Stack: Kotlin, Firebase

Role: Android Developer

  • Implemented role-based access and secure data handling
  • Optimized communication between the app and backend.
  • Developed Sos system.
  • Published on Play Store and handled post-launch support.
📲 Play Store Link

🦄 Unicorn

Tech Stack: Kotlin, Firebase, Clean Architecture

Role: Android Developer

  • Designed and developed a funding and pitch deck platform.
  • Applied Clean Architecture for scalability.
  • Deployed updates based on user feedback and analytics.
  • Published on Play Store and handled post-launch support.
📲 Play Store Link

📡 Tekelek Radar

Tech Stack: Kotlin, Coroutines, Retrofit, Room Database

Role: Lead Android Developer

  • Developed an IoT-based app for interacting with Tekelek Radar sensors.
  • Implemented device activation, deactivation, and diagnostics.
  • Optimized API calls, reducing response time by 35%.
  • Integrated Bluetooth Low Energy (BLE) communication.
  • Published on Play Store and handled post-launch support.
📲 Play Store Link

SiA for Healthy Lungs

Tech Stack: Kotlin, Coroutines, Retrofit

Role: Lead Android Developer

  • Implemented SDK
  • Implemented Weather api to gain the latest updates
  • Optimized API calls, reducing response time by 35%.
  • Published on Play Store and handled post-launch support.
📲 Play Store Link

Tekelek Radar

Tech Stack: Kotlin, Retrofit

Role: Lead Android Developer

  • Working on Ui Part.
  • Implemented RestApi.
  • Implemented Business logic.
  • Use Of Material desgin .
  • Optimized API calls, reducing response time by 35%.

🚚 Dispatch

Tech Stack: Kotlin, Google Maps API, Coroutines, Retrofit

Role: Android Developer

  • Designed real-time transportation monitoring features.
  • Integrated Google Maps API for optimized route planning.
  • Developed driver-dispatcher communication system using WebSockets.
  • Maintained app stability and post-deployment improvements.

⏱️ Easy Punch

Tech Stack: Kotlin, Room Database

Role: Android Developer

  • Built an attendance tracking system for workforce management.
  • Implemented offline mode for seamless user experience.
  • Developed background services for location tracking.
  • Managed database integration and secure storage of employee records.

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