I will build custom android, flutter or pwa app

S
sergioessex
S
sergioessex
Sergio Carvalho
build custom android, flutter or pwa app
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build custom android, flutter or pwa app
Full Screen
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build custom android, flutter or pwa appbuild custom android, flutter or pwa appbuild custom android, flutter or pwa app

About this gig

I build custom mobile apps and cross-platform applications for Android, Flutter and Progressive Web Apps. I can create a new app from scratch or improve an existing project with new features, better design, fixes or integrations.


I can help with:

Android app development

Flutter applications

Progressive Web Apps

Mobile-friendly interfaces

App prototypes and MVPs

API integrations

Custom features

Bug fixes and improvements

Responsive layouts


I focus on clean design, practical functionality and making sure the finished app works properly across the required devices and platforms.


Before starting, I will review your requirements and confirm the scope of the project.


Send me your idea, existing project or requirements and let's build it.

  • App type

    • Native

  • Programming language

    • C
    • Java
    • Kotlin
    • Objective-C
    • PHP
    • Python
    • Ruby
    • HTML
    • React Native
    • Flutter

  • Frameworks

    • Flutter
    • NativeScript
    • Jetpack Compose
    • Angular
    • Jetpack Compose Multiplatform
    • Node.js
    • React Native

  • Purpose

    • Chat
    • Dating
    • Streaming
    • Finance
    • Social networking
    • Kids
    • Maps & navigation
    • Trivia
    • Lifestyle
    • Productivity tools

  • Tools

    • Android Studio
    • Firebase
    • Visual Studio Code
    • Visual Studio

  • Expertise

    • Cross browser/Device compatibility
    • Performance
    • Design
    • Firebase
    • Release management
    • API integration

Get to know Sergio Carvalho

Sergio Carvalho

Software Developer, AI Automation and Product Prototyping

  • FromUnited Kingdom
  • Member sinceJan 2020
  • Avg. response time1 hour

  • Languages

    English
I build practical software, web applications, automation tools and working product prototypes. I turn ideas and technical requirements into software people can actually use, combining development with a product-focused approach. I can help with: • Web apps and prototypes • AI integrations and automation • API integrations • Business tools • MVP development • Software fixes and improvements • Technical research and proof of concepts Clear communication, practical solutions and working software. Have an idea? Send me the brief and let's build it.

My Portfolio

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