Mobile App Developer Needed for Bug Fixes, Modifications & Crash Fixes

Posted last week

Only freelancers located in the U.S. may apply.U.S. located freelancers only

Summary

We are looking for an experienced Mobile App Developer to help improve, fix, and enhance an existing Android and iOS mobile application. The ideal candidate should have strong experience with Flutter or React Native, mobile app debugging, crash fixing, UI/UX improvements, API integration, Firebase or backend connectivity, push notifications, performance optimization, and app store deployment. Responsibilities: Fix bugs and crashes in the existing mobile app Modify and enhance current app features Improve app performance, speed, and stability Update UI/UX screens where needed Integrate or fix APIs and third-party services Work with Firebase or backend services Test the app on Android and iOS devices Prepare and publish updates to the Google Play Store and Apple App Store. Requirements: Strong experience with Flutter or React Native Experience with Android and iOS app development. Ability to debug and fix crashes efficiently. Experience with API integration and Firebase/backend connectivity. Knowledge of push notifications App testing, bug fixing, and performance optimization skills. Experience publishing apps to Google Play Store and Apple App Store Please include in your proposal: Your portfolio or similar apps you have worked on Your experience with bug fixing and crash resolution Estimated timeline for completing fixes and enhancements Your availability to start We are looking for someone reliable, detail-oriented, and able to deliver clean, stable, and high-quality mobile app updates.

  • $100.00

    Fixed-price
  • Expert
    Experience Level
  • Remote Job
  • Ongoing project
    Project Type
Skills and Expertise
Mandatory skills
Android
iOS
Smartphone
Mobile App Development
Activity on this job
  • Proposals:5 to 10
  • Last viewed by client:last week
  • Hires:
    1
  • Interviewing:
    5
  • Invites sent:
    8
  • Unanswered invites:
    4
About the client
Member since Jun 23, 2026
  • United States
    Porter10:47 AM
  • 1 hire, 1 active

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