Browse categories
Explore
Fiverr Pro
English
$
USD
I will develop flutter and kotlin or java android development
Karthikeyan P
About this gig
Need a Flutter or native Android mobile app for your business or startup? I can help.
I develop clean, reliable mobile applications using Flutter, Dart, Kotlin and Java for Android and cross-platform applications.
What I can provide:
Flutter Android & iOS app development
Native Android development with Kotlin/Java
Custom UI implementation
REST API integration
Authentication and user management
Firebase integration
Push notifications
Existing app customization and bug fixing
Performance improvements
Android build and release support
Source code
I can work from your Figma design, API documentation, existing source code or project requirements.
I also have experience with healthcare applications, SaaS platforms and connected-device/mobile workflows.
Please message me before ordering complex applications so I can review your requirements and recommend the right package.
Get to know Karthikeyan P
Karthikeyan P
Full Stack Web and Mobile App Developer
- FromIndia
- Member sinceSep 2026
- Avg. response time1 hour
Languages
Tamil, English
Full-Stack Web & Mobile App Developer specializing in Laravel, PHP, Next.js, React, Flutter, Node.js and REST APIs. I build scalable web apps, SaaS platforms, mobile apps and backend systems. I also work with AWS, PostgreSQL/MySQL, BLE and connected-device integrations, healthcare/HMS and payment workflows. I can help with new development, existing-app customization, bug fixing, API integration, databases and deployment. I focus on clean architecture, reliable solutions, clear communication and maintainable code.
Other Mobile App Development Services I Offer
FAQ
Can you develop both Flutter and native Android apps?
Yes. I develop cross-platform applications using Flutter and native Android applications using Kotlin or Java, depending on the project requirements.
Can you work on an existing Flutter or Android app?
Yes. I can work with existing source code to fix bugs, add features, integrate APIs, improve performance and make required changes.
Can you integrate REST APIs and Firebase?
Yes. I can integrate REST APIs, authentication, Firebase services, push notifications and other backend services required by your application.
Can you develop both Android and iOS using Flutter?
Yes. Flutter can be used to develop applications for both Android and iOS from a shared codebase. The final scope depends on the application requirements.
Do you provide the source code?
Yes. Source code is included according to the selected package and agreed project scope.
Can you help publish my app?
Yes. I can provide technical assistance with Android and iOS build preparation and app store submission. You will need to provide your own developer accounts.
