I will debug dart flutter code, resolve build errors and fix bugs

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hanzla_sajid00
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hanzla_sajid00
Hanzla Sajid
5,0
5,0
Einige Informationen werden in englischer Sprache angezeigt.

Über diesen Service

Stuck on a build error or facing unexpected crashes? Don't let bugs ruin your deployment!

As a Flutter & Dart Developer, I provide production-grade debugging, syntax fixing, and code optimization. From runtime exceptions to broken backend integrations, I deliver clean, refactored code with a guaranteed quick turnaround.

Services I Provide:

  • Build & Compilation Fixes: Resolving compiler blocks, syntax errors, unclosed brackets, and punctuation issues.
  • Runtime Errors & Logic: Fixing script crashes, type casting (_TypeError), and null safety exceptions.
  • Firebase Backend Issues: Resolving Firestore rules, Auth blocks, and database parsing failures.
  • UI & Layout Constraints: Eliminating viewport overflows (RenderFlex) with fluid, responsive sizing.
  • REST API & JSON: Correcting data-flow errors and dynamic map parsing in third-party API integrations.

Check my portfolio for case studies on code optimization, null-safety mapping, and responsive testing!

Why Choose Me?

  • Clean, linter-compliant code
  • Production-ready & fully tested
  • Fast turnaround & quick diagnostics
  • Transparent communication & documentation

Please message me with your error logs or screenshots before placing an order. Let's ma

Lerne Hanzla Sajid kennen

Hanzla Sajid

Flutter App Developer

5,0(1)
  • AusPakistan
  • Mitglied seitJuni 2026
  • ⌀ Antwortzeit1 Stunde
  • Letzte Lieferung6 Tage
  • Sprachen

    Urdu, Englisch
I'm Hanzla Sajid, a Flutter Developer from Gujranwala, Pakistan. I build high-performance cross-platform mobile apps for Android and iOS using Flutter and Firebase. I specialize in real-time apps, e-commerce apps, Firebase integration, clean UI/UX, and REST API integration. Let's build something amazing together!
Bewertungen

1 Bewertungen für diesen Service
5,0

(1)
(0)
(0)
(0)
(0)
Zusammensetzung der Bewertung
  • Kommunikation
    5
  • Qualität der Lieferung
    5
  • Preis-Leistungs-Verhältnis der Lieferung
    5
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  • A
    image-docs

    alambodlah

    GB

    Großbritannien

    5

    Hanzla delivered excellent work! Fixed all Flutter bugs quickly and efficiently. Clean code, great communication, and fast delivery. Highly recommended!

    Bis zu 50 $

    Preis

    1 Tag

    Dauer

    Hilfreich?
    Ja
    Nein
Bewertungen

1 Bewertungen für diesen Service
5,0

(1)
(0)
(0)
(0)
(0)
Zusammensetzung der Bewertung
  • Kommunikation
    5
  • Qualität der Lieferung
    5
  • Preis-Leistungs-Verhältnis der Lieferung
    5
Sortieren nach:
Am relevantesten
  • A
    image-docs

    alambodlah

    GB

    Großbritannien

    5

    Hanzla delivered excellent work! Fixed all Flutter bugs quickly and efficiently. Clean code, great communication, and fast delivery. Highly recommended!

    Bis zu 50 $

    Preis

    1 Tag

    Dauer

    Hilfreich?
    Ja
    Nein