I will build, fix, or debug your flutterflow app professionally

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Jean App Dev

Top Rated

5.0
5.0
build, fix, or debug your flutterflow app professionally
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build, fix, or debug your flutterflow app professionally

About this gig

I will build, fix, or debug your FlutterFlow app to ensure it works correctly, reliably, and is ready for real users.


Whether you are starting a new FlutterFlow project, fixing broken logic, or struggling with bugs, I help you structure, debug, and stabilize your app properly no hacks, no trial and error.

I focus on clean logic, correct data flow, and long-term maintainability, not quick workarounds.

What I can help you with:

  • FlutterFlow app build or completion
  • Fixing broken UI, logic, or workflows
  • Debugging actions, conditions, and state issues
  • Firebase / backend connection issues
  • Authentication and user flow problems
  • API integrations in FlutterFlow
  • App crashes or unexpected behavior
  • Preparing your FlutterFlow app for release

This gig is ideal for:

  • FlutterFlow MVPs that dont work as expected
  • Apps stuck due to logic or backend issues
  • Founders who want a working app, not experiments
  • Projects taken over from another developer

️ Important notes:

  • This gig is for FlutterFlow only
  • New features shall be discussed upfront
  • Access to your FlutterFlow project is required
  • Complexity depends on your current setup


Please contact me before ordering and briefly explain your Issues

  • App type

    • Hybrid

  • Programming language

    • Dart
    • Flutter

  • Frameworks

    • Flutter

  • Purpose

    • Chat
    • Restaurant
    • Social networking
    • Entertainment
    • Health & fitness
    • Lifestyle
    • Custom
    • Ecommerce
    • Quiz
    • Trading

  • Tools

    • Flutterflow
    • Firebase
    • Visual Studio Code
    • Visual Studio

  • Expertise

    • Cross browser/Device compatibility
    • Design
    • Ads & monetization
    • Data storage
    • Firebase
    • API integration

Get to know Jean App Dev

Jean App Dev

German Mobile App Development, Website Expert

5.0(307)

Top Rated

  • FromGermany
  • Member sinceJun 2020
  • Avg. response time1 hour
  • Last delivery5 days

  • Languages

    English, German
Hello, I’m Jean — a German mobile app developer with 7+ years of experience in mobile app development, website development, Flutter apps, Supabase backnds, and SaaS platforms. I help startups and agencies turn ideas into secure, scalable MVPs and store-ready digital products. My work covers app architecture, UI/UX planning, API integrations, authentication, subscriptions, admin dashboards, automation, and AI-driven features. As a CTO-level freelancer, I focus on clean code, reliable performance, and European quality standards from concept to launch and post-launch support.

My Portfolio

Reviews

2 reviews for this Gig
5.0

(2)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • M
    image-docs

    meinbabyplan1

    AT

    Austria

    5

    War mit der Leistung und Arbeit sehr zufrieden. Tolle Kommunikation und rasche Lieferung!

    $1,000-$2,500

    Price

    13 days

    Duration

    Helpful?
    Yes
    No
  • S
    image-docs

    senolsenocak525

    DE

    Germany

    Ongoing collaboration
    5

    Die Arbeit mit Jean war sehr einfach, da er fließend Deutsch spricht. Er hat ein tiefes, technisches Verständnis und hält einen auch auf der Spur, um an das Ziel zu kommen. Er verliert nicht den Fokus und seine Arbeit ist top. Wir freuen uns, mit ihm jetzt weitere Wege zu gehen. Also jederzeit wieder..

    $400-$600

    Price

    10 days

    Duration

    Helpful?
    Yes
    No
Reviews

2 reviews for this Gig
5.0

(2)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • M
    image-docs

    meinbabyplan1

    AT

    Austria

    5

    War mit der Leistung und Arbeit sehr zufrieden. Tolle Kommunikation und rasche Lieferung!

    $1,000-$2,500

    Price

    13 days

    Duration

    Helpful?
    Yes
    No
  • S
    image-docs

    senolsenocak525

    DE

    Germany

    Ongoing collaboration
    5

    Die Arbeit mit Jean war sehr einfach, da er fließend Deutsch spricht. Er hat ein tiefes, technisches Verständnis und hält einen auch auf der Spur, um an das Ziel zu kommen. Er verliert nicht den Fokus und seine Arbeit ist top. Wir freuen uns, mit ihm jetzt weitere Wege zu gehen. Also jederzeit wieder..

    $400-$600

    Price

    10 days

    Duration

    Helpful?
    Yes
    No

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