I will fix flutter bugs, crashes, and performance issues fast

4.9
4.9

Japan

I speak English, Japanese

7 orders completed

Transform your digital dreams into reality with my expert freelance development services on Fiverr. I specialize in custom web and app solutions tailored to your unique needs. With a keen eye for deta...
About this Gig

Flutter Bug Fixing and Performance Enhancement Services


Are you facing bugs, crashes, or performance issues in your Flutter app? I can help.

I am a senior Flutter developer with 8+ years of mobile app development experience, specializing in Flutter bug fixing, crash resolution, performance optimization, and Android/iOS issue handling. I focus on identifying the root cause and delivering clean, tested, and reliable fixes.


Services I Offer


  1. Flutter bug fixing (UI, logic, runtime errors)
  2. Crash and exception resolution
  3. Performance optimization and stability improvements
  4. UI bug fixes (layout, overflow, rendering issues)
  5. Android & iOS platform-specific fixes
  6. Build and dependency error fixes (Gradle, Xcode)


Expertise


  1. Firebase (Auth, Firestore, Realtime DB, Notifications)
  2. State management (BLoC, Provider, Riverpod, Cubit)
  3. Logic and algorithm optimization
  4. App Store & Google Play deployment support


Why Choose Me


  1. 8+ years real-world experience
  2. Clean and maintainable fixes
  3. Fast communication and on-time delivery
  4. Source code included with every order


Before Ordering


Please message me with issue details, error logs, and screenshots (if available) so I can review and assist you quickly.

Platform:

Cross-platforms

App type:

Hybrid

Frameworks:

Flutter

Purpose:

Chat

Social networking

Entertainment

Medical

Kids

Expertise:

Localization

Performance

Design

Ads & monetization

Programming language:

Dart

Tools:

Android Studio

Xcode

My Portfolio

Reviews

6 reviews for this Gig
4.9

(5)
(1)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    4.8
  • Value of delivery
    4.8
Sort By
Most relevant
  • A

    alvaromonton

    ES

    Spain

    4.3

    Working with Rajitha has been very easy and with super communication.

    $100-$200

    Price

    3 days

    Duration

    Helpful?
    Yes
    No
  • G
    image-docs

    gugaquin

    AU

    Australia

    5

    Delivered a quick and clean Flutter bug fix. Communication was smooth, the issue was resolved efficiently, and the app is now working perfectly. Highly recommended!

    $200-$400

    Price

    2 days

    Duration

    Helpful?
    Yes
    No
  • L
    image-docs

    leejennie481

    CN

    China

    5

    good to work with

    Up to $50

    Price

    2 days

    Duration

    Worksample image
    Helpful?
    Yes
    No
  • T

    t_kalubowila

    AU

    Australia

    5

    I had a great experience working with Rajitha. He quickly understood and resolved multiple TextField-related issues in my app with precision and care. The keyboard overlap problem was handled effectively using the right layout strategy, ensuring a smooth user experience across different screen sizes....

    Up to $50

    Price

    1 day

    Duration

    Helpful?
    Yes
    No
  • T

    thenukaramesh

    DE

    Germany

    5

    Great Flutter Fix! The freelancer quickly resolved a tricky RenderFlex overflow issue that was breaking the layout on some screens. They also fine-tuned the padding and spacing to make the UI look clean and consistent, even on smaller devices. Super responsive, efficient, and clearly experienced with...

    Up to $50

    Price

    1 day

    Duration

    Helpful?
    Yes
    No
Reviews

6 reviews for this Gig
4.9

(5)
(1)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    4.8
  • Value of delivery
    4.8
Sort By
Most relevant
  • A

    alvaromonton

    ES

    Spain

    4.3

    Working with Rajitha has been very easy and with super communication.

    $100-$200

    Price

    3 days

    Duration

    Helpful?
    Yes
    No
  • G
    image-docs

    gugaquin

    AU

    Australia

    5

    Delivered a quick and clean Flutter bug fix. Communication was smooth, the issue was resolved efficiently, and the app is now working perfectly. Highly recommended!

    $200-$400

    Price

    2 days

    Duration

    Helpful?
    Yes
    No
  • L
    image-docs

    leejennie481

    CN

    China

    5

    good to work with

    Up to $50

    Price

    2 days

    Duration

    Worksample image
    Helpful?
    Yes
    No
  • T

    t_kalubowila

    AU

    Australia

    5

    I had a great experience working with Rajitha. He quickly understood and resolved multiple TextField-related issues in my app with precision and care. The keyboard overlap problem was handled effectively using the right layout strategy, ensuring a smooth user experience across different screen sizes....

    Up to $50

    Price

    1 day

    Duration

    Helpful?
    Yes
    No
  • T

    thenukaramesh

    DE

    Germany

    5

    Great Flutter Fix! The freelancer quickly resolved a tricky RenderFlex overflow issue that was breaking the layout on some screens. They also fine-tuned the padding and spacing to make the UI look clean and consistent, even on smaller devices. Super responsive, efficient, and clearly experienced with...

    Up to $50

    Price

    1 day

    Duration

    Helpful?
    Yes
    No