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Skills

  • Android App Development
  • Firebase
  • iOS App Development
  • Java
  • Kotlin
  • Rest Api
  • Swift
  • SwiftUI
  • Android SDK
  • API Integrations
  • App & Mobile Programming
  • App Design
  • App Development
  • App Submission
  • App Testing

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Services

  • Mobile App Development

    $12/hr Starting at $50 Ongoing

    Dedicated Resource

    Mobile App Developer | Android & iOS (Native) Hi, I’m Jeni — a dedicated mobile app developer with over 4 years of experience crafting high-quality, high-performance mobile applications for both Android...

    Android App DevelopmentAndroid SDKAPI IntegrationsApp & Mobile ProgrammingApp Design

About

Build High-Performance Native Apps | Android (Kotlin) & iOS (Swift)

Mobile App Developer | Android & iOS (Native)

Hi, I’m Jeni — a dedicated mobile app developer with over 4 years of experience crafting high-quality, high-performance mobile applications for both Android and iOS platforms.

I develop powerful, sleek mobile apps for Android (Kotlin/Java) and iOS (Swift/Objective-C/SwiftUI). I build smooth, secure, and scalable apps using clean architecture patterns like MVVM, MVP, VIPER and MVC. Skilled in crafting stylish interfaces, fixing bugs efficiently, and working well with teams, I deliver quality apps on time. My projects include real-time fitness trackers and seamless social networking apps.

🛠️ Technical Expertise
Android (Kotlin, Java)
iOS (Swift, Objective-C)
Architecture: MVVM, MVP, MVC, VIPER
Modular, maintainable, and scalable code
API Integration: REST, GraphQL, Firebase

⚙️ App Types I’ve Built
Social media platforms with real-time messaging
Fitness & health apps with live data sync
Business and e-commerce apps with secure payments
Education and productivity apps
Voice/video calling and live streaming features
Custom reminders and scheduling tools

🎯 What You Can Expect from me
Beautiful, modern UI with Jetpack Compose & UIKit
Reliable push notifications (Firebase, OneSignal, Local)
Secure login and authentication flows (OAuth, Firebase)
Payment systems: Stripe, Razorpay, In-App Purchases
GPS, location tracking, Google Maps integration
Real-time communication via Socket.IO, WebRTC
Offline support and efficient data storage (SQLite, Realm, Core Data)
Wearable integration, background tasks, custom SDKs

I focus on writing clean, production-ready code that’s easy to scale and maintain. I communicate clearly, meet deadlines consistently, and always aim to understand the business behind the app — not just the code.

If you’re looking for a developer who brings both technical depth & design sensitivity and who genuinely cares about your project’s success, let’s connect.
🤝 let’s turn your app idea into something extraordinary.

Work Terms

Hours:
- Available 24/7, Monday to Sunday. Flexible to accommodate urgent requests and various time zones.

Payment:
- Hourly or milestone-based via Guru SafePay.
- For fixed-price projects under a single milestone, 30% of the total payment is required in advance before project commencement.

Communication:
- Preferred via Guru chat, Telegram, Slack, Discord, or Zoom/Google Meet. Fast responses with regular updates.

Tools:
- Proficient with Git, Trello, and Jira, and deliver clean, well-documented native Android/iOS code.