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English
$
USD
I will be your flutter, ios or android developer, fix bugs and develop
Make your app dreams come true
Whether it's a small gig or a year-long project, clients like you deserve a high-quality result from a true professional, from bug fixing to app development.
With over 8 years of experience in mobile ...
Level 2
Has met high performance criteria and has a proven track record for meeting client expectations.
About this Gig
Mobile Developer, Bug Fixing Specialist - 9+ Years Experience - MONEY BACK GUARANTEE
Are you facing issues with your Android or iOS Mobile app? Reporting a high number of crashes or bug reports from your users? Struggling to get a good review score? As a Mobile Developer with over 9 years of experience, I can be your app developer and help you to solve bugs or develop new features effectively.
Why choose me?
- 9+ years of experience
- Helped multiple clients to increase their review scores to 4+ stars on Play Store
- High-quality results
- Money Back Guarantee
My bug-fixing and development services:
- Android Development
- iOS Development
- Flutter Development
- Jetpack Compose
- SwiftUI
- Crashes & ANRs
- UI/UX issues
- AI Integration into Mobile App
- Network & API issues
- Database problems (SQLite, Realm, Room)
- Issues with Firebase/Crashlytics
- Upgrade to the latest Android SDK version
- Issues with Google AdMob
- Make your app compliant with Google Play and App Store guidelines
Your app deserves high-quality treatment made by a professional, and I'm here to help you with this. Hit the "Contact" button and let's start working together now!
Please contact me before placing an order.
Platform:
Cross-platforms
App type:
Native
Frameworks:
Flutter
•
Jetpack Compose
•
SwiftUI
Programming language:
Dart
•
Java
•
Kotlin
•
Objective-C
•
Swift
Tools:
Glide
•
Flutterflow
•
Android Studio
•
Xcode
Clients I’ve worked with
Avaloq
Working on an innovative conversational banking Android and iOS app that enables simple, effective, and compliant communication between relationship managers and bank clients; Highlights of this app include integration with popular social messaging apps (eg. Whatsapp, WeChat), and leveraging AI for an NLP capable virtual assistant.
Jan 2021-Sep 2023
QA Limited
Maintaining and developing new features on both Cloud Academy/QA Platform's Android and iOS apps, working in a cross-functional squad with project managers and team leads, adopting Scrum methodologies. I'm also working with the design team in order to have a consistent and seamless UX experience on both mobile apps, that is also coherent with platform-specific design guidelines.
Jan 2024-Jun 2025
My Portfolio
FAQ
What is your tech stack?
Kotlin, Kotlin Flows, Coroutines, Retrofit, Hilt, Room, Jetpack Navigation, Jetpack Compose, and more. for iOS: SwiftUI, Autolayout, AlamoFire, RxSwift I usually build apps using MVVM design pattern, which is the business go-to choice for developing apps, while having a clean code architecture.
Do you develop on native apps or hybrid?
I can develop and help you with your project if the app is made in native Android (Java/Kotlin), iOS (ObjC/Swift), or Flutter. My services don't include React Native, Unity or Xamarin.
What if i'm not happy with the result?
As a seller, my #1 priority is to make sure that you will be satisfied with the delivery and that you'll be able to reach your goals. If you are still unhappy with it, I can give you a full money back guarantee refund.
Reviews
48 reviews for this Gig
| (47) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
X xbridge94
Italy
E' stato fantastico lavorare insieme! Super cordiale e disponibile. Non è facile persone così preparate. Mi ha dato anche ottimi consigli riguardo altri aspetti dell'app che non avevo considerato!
$50-$100
Price
10 days
Duration
Helpful?J 
johngregory599
Repeat Client
Australia
Thanks again
$50-$100
Price
3 days
Duration
Helpful?J johngregory599
Repeat Client
Australia
Thanks again
$50-$100
Price
3 days
Duration
Helpful?P partytrivia
Repeat Client
United Kingdom
Alessandro S is truly an expert in mobile app maintenance! His code expertise and professionalism exceeded my expectations. Plus, working with him was a breeze thanks to his deep understanding and excellent cooperation skills. 🙌
Up to $50
Price
3 weeks
Duration
Helpful?P partytrivia
Repeat Client
United Kingdom
Always a pleasure, will be using a lot more of his services in the future
Up to $50
Price
1 day
Duration
Helpful?
Reviews
48 reviews for this Gig
| (47) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
X xbridge94
Italy
E' stato fantastico lavorare insieme! Super cordiale e disponibile. Non è facile persone così preparate. Mi ha dato anche ottimi consigli riguardo altri aspetti dell'app che non avevo considerato!
$50-$100
Price
10 days
Duration
Helpful?J johngregory599
Repeat Client
Australia
Thanks again
$50-$100
Price
3 days
Duration
Helpful?J johngregory599
Repeat Client
Australia
Thanks again
$50-$100
Price
3 days
Duration
Helpful?P partytrivia
Repeat Client
United Kingdom
Alessandro S is truly an expert in mobile app maintenance! His code expertise and professionalism exceeded my expectations. Plus, working with him was a breeze thanks to his deep understanding and excellent cooperation skills. 🙌
Up to $50
Price
3 weeks
Duration
Helpful?P partytrivia
Repeat Client
United Kingdom
Always a pleasure, will be using a lot more of his services in the future
Up to $50
Price
1 day
Duration
Helpful?
