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English
$
USD
I will fix react native or flutter app bugs and integrate rest API
Full stack developer crafting fast, scalable digital solutions
I am a Full Stack Developer specializing in mobile and web applications. I build scalable, high-performance solutions using React.js, Next js, React Native, Node.js, Spring Boot, Flask, and MongoDB. I...
About this Gig
Fix Bugs, Integrate APIs, and Improve Your Mobile App
Are you facing bugs or issues in your React Native or Flutter mobile application?
I will help you fix problems, integrate APIs, and improve your mobile app performance quickly and professionally.
I am an experienced mobile and fullstack developer working with React Native, Flutter, Spring Boot APIs, and modern backend systems.
Services I Offer
- Fix app crashes and bugs
- REST API integration
- Add or update mobile features
- Fix login / authentication issues
- Firebase integration
- Fix UI issues
- Improve app performance
Technologies I Work With
- React Native
- Flutter
- REST APIs
- Spring Boot APIs
- Firebase
- PostgreSQL / MySQL
Why Choose Me
- Fast delivery
- Clean and maintainable code
- Strong backend + mobile experience
- Good communication
Please contact me before placing an order so we can discuss your requirements.
Platform:
Cross-platforms
App type:
Hybrid
Tools:
Expo
•
Android Studio
•
Unity
•
Xcode
Other Mobile App Maintenance Services I Offer
FAQ
What services do you offer?
I offer expert Mobile and Web App development services using technologies like React.js, React Native, Node.js, and Spring Boot.
Can you build both iOS and Android apps?
Yes, I specialize in cross-platform development and can create apps for both iOS and Android platforms using React Native.
Do you provide backend development as well?
Absolutely! I have experience in backend development with Node.js and Spring Boot, ensuring a complete end-to-end solution.
Can you work on existing projects or only new ones?
I can work on both existing projects that need enhancements or new projects from scratch.
How do you ensure the security of the apps you develop?
Security is a top priority. I follow best practices to secure apps, implement data encryption, and conduct thorough testing for vulnerabilities.
Can you integrate third-party APIs into the apps?
Yes, I can seamlessly integrate various third-party APIs to add features and functionalities as per your requirements.
Will I get regular updates during the development process?
Absolutely! I provide regular progress updates and encourage open communication throughout the development cycle.
Do you offer post-launch support and maintenance?
Yes, I offer post-launch support and maintenance to ensure your app runs smoothly and address any issues that may arise.
What is the typical turnaround time for a project?
Turnaround time varies based on project complexity. I provide a clear timeline during the initial discussion.
How can I get started with a project?
Simply reach out to me through the Gig, and we can discuss your requirements, timeline, and project scope to get started on your app journey!
Reviews
5 reviews for this Gig
| (5) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
R 
roma972012
Sri Lanka
⭐⭐⭐⭐⭐ Excellent Work! I had an amazing experience working with this seller. He delivered top-notch work, exactly as described, and even went the extra mile to ensure every detail was perfect. Communication was smooth, and they were professional, friendly, and highly skilled.
Up to $50
Price
4 days
Duration
Helpful?C calebcall
United States
I have done multiple brief's and this is both the best value and best performance I have received. I intend to reach out to mark over creating brief's from now on
Up to $50
Price
4 days
Duration
M 
Seller's Response
Helpful?M monkeydluffp
Germany
He was really good in his Job and knew his Business, he helped us a lot. A pleasure to work him.
$100-$200
Price
2 weeks
Duration
Helpful?R rajnish_raj
Italy
great job!
Up to $50
Price
5 days
Duration
Helpful?E 
eslkurd
Canada
Mark was considerate of my work and my concerns and went above and beyond to get everything done accordingly. Our team would like to say a huge Thank you!
Up to $50
Price
3 days
Duration
Helpful?
Reviews
5 reviews for this Gig
| (5) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
R roma972012
Sri Lanka
⭐⭐⭐⭐⭐ Excellent Work! I had an amazing experience working with this seller. He delivered top-notch work, exactly as described, and even went the extra mile to ensure every detail was perfect. Communication was smooth, and they were professional, friendly, and highly skilled.
Up to $50
Price
4 days
Duration
Helpful?C calebcall
United States
I have done multiple brief's and this is both the best value and best performance I have received. I intend to reach out to mark over creating brief's from now on
Up to $50
Price
4 days
Duration
M Seller's Response
Helpful?M monkeydluffp
Germany
He was really good in his Job and knew his Business, he helped us a lot. A pleasure to work him.
$100-$200
Price
2 weeks
Duration
Helpful?R rajnish_raj
Italy
great job!
Up to $50
Price
5 days
Duration
Helpful?E eslkurd
Canada
Mark was considerate of my work and my concerns and went above and beyond to get everything done accordingly. Our team would like to say a huge Thank you!
Up to $50
Price
3 days
Duration
Helpful?
