I will develop full stack mobile apps using react native

C
callidusdev
C
callidusdev
Nevfel Gul
develop full stack mobile apps using react native
develop full stack mobile apps using react native
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develop full stack mobile apps using react nativedevelop full stack mobile apps using react nativedevelop full stack mobile apps using react nativedevelop full stack mobile apps using react native

About this gig

Welcome to my professional mobile app development service! 


If you are looking to build a high-performance, sleek, and scalable cross-platform mobile application using React Native, you are in the right place. I specialize in turning your ideas into production-ready apps for both iOS and Android with clean code and modern design.


What I Offer:

Cross-platform development with React Native & Expo

Modern UI/UX design and smooth animations

Firebase integration (Authentication, Firestore, Database)

API integration and robust state management

Clean, maintainable, and well-structured source code


Why Work With Me?

Professional engineering approach focusing on performance

Pixel-perfect implementation from Figma designs

Clear communication and timely delivery


Let's bring your mobile app vision to life. Feel free to message me before ordering to discuss your project requirements!

  • App type

    • Hybrid

  • Programming language

    • JavaScript
    • TypeScript
    • React Native

  • Frameworks

    • React Native

  • Purpose

    • Health & fitness
    • Education
    • Lifestyle
    • Productivity tools
    • Custom
    • Ecommerce

  • Tools

    • Expo
    • Xcode
    • Firebase
    • Visual Studio Code

  • Expertise

    • Performance
    • Design
    • Data storage
    • Firebase
    • Analytics
    • API integration

Get to know Nevfel Gul

Nevfel Gul

Founder and Technical Lead

  • FromTurkey
  • Member sinceSep 2026

  • Languages

    Turkish, English
I am a Computer Engineer and founder of Callidus, a digital studio specializing in full-stack web and mobile development, UI/UX, and automation. We bridge scalable technical architecture (React, React Native, TypeScript, Firebase) with modern design (Figma). Whether you need a cross-platform mobile app or a robust web platform, my team delivers complete solutions. We handle everything from initial prototyping and database structuring to final deployment and app store publishing. Let’s build highly optimized, ready-to-scale digital products.

My Portfolio

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