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

H
hanzla_sajid00
H
hanzla_sajid00
Hanzla Sajid
5,0
5,0
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Sobre este Serviço

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

Conheça mais sobre Hanzla Sajid

Hanzla Sajid

Flutter App Developer

5,0(1)
  • A partir dePaquistão
  • Membro desdejun. de 2026
  • Responde em aprox.:1 hora
  • Última entrega6 dias
  • Idiomas

    Urdu, Inglês
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!
Avaliações

1 avaliações deste Serviço
5,0

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    5
  • Qualidade da entrega
    5
  • Valor da entrega
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    5

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

    Até US$ 50

    $

    1 dia

    Tempo

    Útil?
    Sim
    Não
Avaliações

1 avaliações deste Serviço
5,0

(1)
(0)
(0)
(0)
(0)
Classificação detalhada
  • Nível de comunicação do freelancer
    5
  • Qualidade da entrega
    5
  • Valor da entrega
    5
Ordenar por
Mais relevante
  • A
    image-docs

    alambodlah

    GB

    Reino Unido

    5

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

    Até US$ 50

    $

    1 dia

    Tempo

    Útil?
    Sim
    Não