High-Intent Diagnostic Service

    Flutter Bug Fixing,
    Optimization & Code Audits

    Is your live Flutter app crashing, stuttering below 60fps, leaking memory, or failing App Store review? I perform root-cause diagnostics to stabilize, refactor, and speed up your existing mobile codebase.

    Request an App Audit Read Performance Guide

    Common Problems I Audit & Fix

    Platform Crashes & ANRs

    Fix unhandled asynchronous exceptions, null-safety runtime crashes, native iOS CocoaPods build errors, and Android NDK channel failures.

    UI Jank & Frame Drops

    Profile frame render budgets, eliminate monolithic widget rebuilds, and offload CPU-heavy JSON parsing to background isolates.

    Memory Leaks & Bloat

    Identify retained controllers, unclosed streams, image cache bloat, and SQLite connection leaks causing out-of-memory crashes.

    My Systematic Debugging Workflow

    01

    Reproduce

    Isolate deterministic failure conditions in a controlled test harness.

    02

    DevTools Profiling

    Inspect memory heap snapshots, CPU flame charts, and frame timelines.

    03

    Root-Cause Isolation

    Determine whether issue stems from state, rendering, or platform bridge.

    04

    Minimal Patch

    Apply non-invasive, surgical fixes without introducing collateral side effects.

    05

    Regression Testing

    Write automated tests to guarantee the bug can never reoccur in production.

    06

    Verification

    Profile on low-end physical test hardware to confirm 60fps/120fps recovery.

    Real Project Evidence

    LQDCNVS: 120fps Screen Mirroring Stabilization

    Resolved native Android TV synchronization crashes and heavy image rendering lag through isolate offloading and custom memory buffers.

    View Project Details
    Authority Guide

    Flutter Performance Optimization (20 Ways)

    Deep dive into frame budgets, const widget allocations, RepaintBoundary, and DevTools profiling techniques.

    Read Performance Guide
    Frequently Asked Questions

    Questions on Flutter Code Audits & Bug Fixing

    Can you fix an existing Flutter app built by another agency or developer?

    Yes. I frequently take over partially completed, stalled, or unstable Flutter codebases. I conduct a root-cause audit, stabilize legacy dependencies, patch runtime crashes, and optimize rendering performance without requiring unnecessary full rewrites.

    How do you diagnose intermittent memory leaks and UI lag in Flutter?

    Using Flutter DevTools on physical hardware, I profile memory allocations, inspect frame render timelines for raster thread jank, identify unclosed stream subscriptions or animation controllers, and isolate expensive widget rebuild subtrees.

    What is your turnaround time for critical production bug fixes?

    Emergency production crashes and store rejection issues can typically be audited and patched within 24 to 72 hours, complete with regression test coverage and sanitized pull requests.

    Do you provide ongoing Flutter app maintenance and SDK upgrade support?

    Yes. I provide ongoing maintenance sprints covering major Flutter version upgrades (e.g. Flutter 3.x), Android Gradle and iOS CocoaPods updates, third-party plugin migrations, and App Store compliance updates.

    Need Your Flutter App Fixed Fast?

    Get an experienced mobile engineer to audit your repository, eliminate crashes, and restore silky-smooth performance.

    Get Your App Audited