I will fix any app errors, bugs, crashes and backend issues fast
Expert Android App Developer Java and Kotlin Specialist
About this Gig
Is your mobile application crashing unexpectedly? Are users experiencing bugs, API failures, slow performance, or backend errors?
You're in the right place!
I provide professional app bug fixing, crash resolution, backend troubleshooting, API debugging, database optimization, and performance enhancement services for Android applications and backend systems.
Whether your application was developed in Kotlin, Java, Flutter, React Native, or another technology, I can identify the root cause and implement reliable, long term solutions.
Short Feature Bullet Points
- App Bug Fixing
- Android App Error Resolution
- Crash & ANR Fixes
- Backend Issue Troubleshooting
- API Integration Fix
- Firebase Error Fix
- Database Bug Resolution
- Login & Authentication Fix
- Performance Optimization
- Memory Leak Detection
- Code Refactoring
- Network Error Fix
- Payment Gateway Issue Fix
- Google Maps Fix
- Push Notification Fix
- App Speed Optimization
Fix app crashes, bugs, backend issues, API errors, Firebase problems, and performance bottlenecks quickly with a professional developer.
Note: Please contact us before placing an order !
Platform:
Cross-platforms
App type:
Native
FAQ
1. What types of app issues can you fix?
I can fix a wide range of mobile app errors, including app crashes, bugs, UI/UX issues, API integration problems, backend errors, Firebase issues, login failures, payment gateway errors, database issues, slow performance, ANRs, and compatibility problems for Android and cross-platform applications.
2. Which technologies and frameworks do you support?
I work with Android (Kotlin & Java), Flutter, React Native, Firebase, REST APIs, SQLite, Room Database, MySQL, Node.js, PHP, and many other mobile and backend technologies. Feel free to contact me if your technology stack is different.
3. Can you fix app crashes and startup issues?
Yes! I specialize in diagnosing and resolving app crashes, startup failures, ANRs (Application Not Responding), memory leaks, runtime exceptions, and stability issues to ensure your app runs smoothly.
4. Can you fix backend API and server issues?
Absolutely. I can troubleshoot and fix REST API errors, authentication problems, server-side issues, database connectivity, JSON parsing errors, web services, backend logic, and third-party API integrations.
5. Do you fix Firebase-related issues?
Yes. I can resolve problems related to Firebase Authentication, Firestore, Realtime Database, Cloud Messaging (FCM), Push Notifications, Firebase Storage, Analytics, and Crashlytics.
6. Will you optimize my app's speed and performance?
Yes. I can improve app performance by optimizing code, reducing memory usage, fixing slow loading screens, improving API response times, minimizing crashes, and enhancing the overall user experience.
7. Can you fix bugs in an existing app without affecting other features?
Yes. I carefully analyze the issue, test the affected functionality, and apply targeted fixes while minimizing the risk of introducing new bugs. Every fix is verified before delivery.
8. Will my source code and project remain confidential?
Absolutely. Your source code, app files, APIs, credentials, and project details are handled with complete confidentiality and are never shared with anyone.
9. Do you provide urgent or same-day bug-fixing services?
Yes. Depending on the complexity of the issue and my availability, I can provide priority support for urgent app bugs, crashes, backend issues, and critical production errors.
10. Why should I choose your app bug-fixing service?
I provide fast, reliable, and professional bug-fixing services with clean coding practices, detailed debugging, secure solutions, excellent communication, thorough testing, and a focus on long-term app stability rather than temporary fixes.

