Browse categories
Explore
Fiverr Pro
English
$
USD
I will develop or fix your android app using kotlin or java
Zuhaib Hassan
5.0
5.0
Gig Summary
About this gig
Need a reliable Android developer to build, improve, or fix your app?
I'm a professional mobile app developer with 6+ years of experience building Android applications using Kotlin and Java. I can develop a new Android app from your idea or design, add features to an existing app, fix bugs, integrate Firebase or APIs, and prepare your application for release.
What I can help with:
- Custom Android app development
- Kotlin and Java development
- Firebase Authentication
- Firestore and Realtime Database
- Firebase Storage
- REST API integration
- Login and user management
- Push notifications
- Google Maps and location features
- Payment gateway integration
- AdMob integration
- Bug fixing and troubleshooting
- UI implementation and responsive layouts
- Performance optimization
- Existing app updates and maintenance
- Google Play Store preparation and publishing
I have completed 90+ projects for clients worldwide and have 26 five-star reviews on this Android service.
If you have an Android app idea, existing project, or specific issue to solve, send me your requirements before ordering and I'll help you choose the right approach.
Get to know Zuhaib Hassan
Zuhaib Hassan
Mobile App Developer, Flutter Development, AI App Developer
- FromPakistan
- Member sinceApr 2020
- Last delivery2 years
Languages
English, Urdu
Mobile app developer with 6+ years of experience building Android, iOS, and cross-platform applications. Since 2019, I’ve worked with businesses and clients worldwide to turn ideas into reliable, user-friendly mobile products.
I specialize in Flutter, native Android, Firebase, REST APIs, and AI integration, helping businesses turn ideas into polished, scalable mobile products. From development and third-party integrations to Google Play and App Store publishing, I provide end-to-end development and long-term support.
Have an idea or existing app? Let’s bring it to life.
My Portfolio
Other Mobile App Development Services I Offer
FAQ
Can you develop a new Android app from my idea?
Yes. I can develop a custom Android application from your requirements, Figma design, wireframes, or existing documentation.
Can you work on an existing Android application?
Yes. I can fix bugs, add features, improve UI, integrate APIs or Firebase, and optimize existing Kotlin or Java projects.
Can you integrate Firebase?
Yes. I can integrate Firebase Authentication, Firestore, Realtime Database, Storage, Cloud Messaging, Analytics, and other Firebase services as required.
Do you work with both Kotlin and Java?
Yes. I can work with existing Kotlin or Java Android projects and develop new features using the appropriate technology.
Can you publish my Android app on Google Play?
Yes. I can help prepare your application for Google Play release and assist with the technical publishing process.
Can you integrate APIs and third-party services?
Yes. I can integrate REST APIs and third-party SDKs/services according to your application's requirements.
Reviews
26 reviews for this Gig
| (26) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
Most relevant
Y 
yasami
Sri Lanka
Ongoing collaborationHe was amazing. He helps me a lot with the work and gave me the best possible output. He works really hard and amazing. Recommend him. And definitely work with him again.
$50-$100
Price
Helpful?X 
xoomar
Bangladesh
Nice to work with him
$50-$100
Price
Helpful?V 
veby91
Indonesia
Very friendly and good work. I will reorder your gigs! Thank you!
$50
Price
Helpful?M markspencer513
European Union
Ongoing collaborationgreat additional feature & bug fixing
$100-$200
Price
Helpful?M mrtinmazar
Canada
Ongoing collaborationOne of the best Gigs ever seen. He was quick to make suggested changes, I will be hiring him again in the future. Thank you so much .
$50
Price
Z 
Seller's Response
Helpful?
Reviews
26 reviews for this Gig
| (26) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
Sort By
Most relevant
Y yasami
Sri Lanka
Ongoing collaborationHe was amazing. He helps me a lot with the work and gave me the best possible output. He works really hard and amazing. Recommend him. And definitely work with him again.
$50-$100
Price
Helpful?X xoomar
Bangladesh
Nice to work with him
$50-$100
Price
Helpful?V veby91
Indonesia
Very friendly and good work. I will reorder your gigs! Thank you!
$50
Price
Helpful?M markspencer513
European Union
Ongoing collaborationgreat additional feature & bug fixing
$100-$200
Price
Helpful?M mrtinmazar
Canada
Ongoing collaborationOne of the best Gigs ever seen. He was quick to make suggested changes, I will be hiring him again in the future. Thank you so much .
$50
Price
Z Seller's Response
Helpful?
