I will develop, upgrade, fix your react native expo app with payments and ai features

G
gismer
G
gismer
Gismer H
develop, upgrade, fix your react native expo app with payments and ai features
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develop, upgrade, fix your react native expo app with payments and ai features

About this gig

Looking to develop, fix bugs and errors, optimize your React Native mobile application? I specialize in comprehensive React Native app development and Expo SDK 54 migration services.


Services Include:

Development & Optimization:

  • Complete React Native app development from scratch
  • Upgrade React native app to Expo SDK 54 with zero downtime
  • Fix bugs and errors efficiently with detailed testing
  • Performance optimization for faster load times

Advanced Features:

  • Push notifications implementation
  • AI integration using OpenAI, Google AI, and custom ML models
  • Real-time features and WebSocket integration

Payment & Monetization:

  • Integrate RevenueCat for subscription management
  • Payment gateway setup: Stripe, Mpesa, Flutterwave, Pesapal, PayPal, etc
  • Subscription and in-app purchases (iOS & Android)
  • Ads
  • Complete monetization strategy

App Store Deployment:

  • Publish to Google Play with ASO optimization
  • Publish to Apple App Store with App Store Connect setup
  • Certificate management and build configurations


I deliver clean, maintainable code with comprehensive documentation.

All projects include unlimited revisions until you're satisfied.

Let's transform your mobile app idea into reality!

  • App type

    • Hybrid

  • Programming language

    • TypeScript
    • React Native
    • Python
    • JavaScript

  • Frameworks

    • Node.js
    • React Native

  • Purpose

    • Chat
    • Dating
    • Delivery
    • Restaurant
    • Taxi
    • Booking
    • Health & fitness
    • Education
    • Ecommerce
    • Real estate

  • Tools

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

  • Expertise

    • Cross browser/Device compatibility
    • Performance
    • Security
    • Ads & monetization
    • Firebase
    • API integration

Get to know Gismer H

Gismer H
  • FromKenya
  • Member sinceFeb 2020
  • Avg. response time1 hour

  • Languages

    English, French
Passionate developer with expertise in Python and JavaScript frameworks like Django, FastAPI, React, Nextjs, and Nodejs. I create clean, efficient, and scalable web applications tailored to your needs. Whether it’s backend APIs or dynamic frontends, I deliver high-quality solutions with quick turnaround. Let’s bring your tech ideas to life!

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