I will expert full stack developer, mobile app, web app developer react js react native

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systemeio_maven
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systemeio_maven
Elias Braun
expert full stack developer, mobile app, web app developer react js react native
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expert full stack developer, mobile app, web app developer react js react native
Full Screen
expert full stack developer, mobile app, web app developer react js react nativeexpert full stack developer, mobile app, web app developer react js react native

About this gig

Need a full stack developer to build or improve a modern web app or mobile app? I create responsive, scalable solutions with React JS, React Native, Node.js and backend technologies for startups, businesses and SaaS products.


WHAT I DO:

  • Full stack web application development
  • React JS and Next.js development
  • React Native mobile app development
  • Custom website and web app development
  • iOS and Android apps
  • Responsive UI with Tailwind CSS
  • Figma to React development
  • Node.js and Express.js backend
  • REST API integration
  • MongoDB, MySQL and PostgreSQL databases
  • Authentication and authorization
  • Admin dashboards
  • Payment gateway integration
  • Firebase integration
  • Bug fixing, maintenance and optimization


WHY CHOOSE ME:

  • Frontend, backend, database and API handled together
  • Clean, maintainable code for future updates
  • Clear communication and progress updates


RESULTS:

A functional, responsive and scalable product with reliable features and room to grow.


TOOLS:

  • React JS
  • React Native
  • Next.js
  • JavaScript
  • TypeScript
  • Node.js
  • Express.js
  • MongoDB
  • MySQL
  • Firebase
  • Tailwind CSS
  • Figma
  • GitHub
  • AWS


Share your idea or existing project and lets build the right solution.

  • Programming language

    • JavaScript

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Operating systems
    • Databases

  • Frontend framework

    • Angular
    • Bootstrap
    • React.js
    • Tailwind CSS
    • Vue.js

  • Backend framework

    • Django
    • Express.js
    • Flask
    • Laravel
    • Node.js

  • AI & low/no code builders

    • Lovable
    • Bubble
    • FlutterFlow

Get to know Elias Braun

Elias Braun

Build reliable Flutter and iOS apps with full stack development and testing

  • FromGermany
  • Member sinceJun 2026
  • Avg. response time1 hour

  • Languages

    English, German, French
As a Flutter developer, I help startups, small businesses, and growing brands build reliable mobile apps that are easy to use and ready for real users. I provide Flutter app development, iOS app development, full stack development, API and backend integration, bug fixing, and app testing. My focus is turning your idea or existing app into a smooth, stable product while keeping communication clear and delivery on schedule. I work carefully, test before delivery, and stay focused on your goals. Have an app idea or an existing app that needs improvement? Message me and let’s discuss it.

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