x
xsparkii23

Muhammad Hamza

@xsparkii23

React Native Mobile App Developer for iOS and Android Apps

Pakistan
Anglais, Ourdou
Certaines informations sont présentées en anglais.
À propos de moi
I’m a React Native & Expo Developer with 5+ years of experience building high-performance iOS and Android apps. I’ve shipped 20+ mobile applications, including an app with 500,000+ downloads, helping startups and businesses turn ideas into production-ready products. My expertise includes React Native, Expo, TypeScript, Firebase, Supabase, API integration, push notifications, and AI integrations using OpenAI and Claude. From MVP development to scaling existing apps, I focus on clean code, smooth UI/UX, reliable performance, and long-term maintainability. Let Collaborate and win together... Plus d’infos

Compétences

x
xsparkii23
Muhammad Hamza
hors ligne • 

Voir mes services

Développement multiplateforme
I will do custom mobile app developement and app deployment in react native
De100 $US / projetPlus de détails
Correction de bogues sur l'appli mobile
I will fix your react native expo bug in 24 hours ios,android
De10 $US / projetPlus de détails

Expérience professionnelle

React Native Developer | Mobile app Development for iOS & Android |

Vorksol • Temps plein

Dec 2023 - Present • 2 yrs 11 mos

At Vorksol, I worked as a React Native Developer, delivering cross-platform iOS & Android apps with React Native + Expo. My focus was building high-performance, scalable, and user-friendly apps that could grow with business needs. Key Highlights: ✔ Implemented In-App Purchases & Subscriptions with RevenueCat + native IAP. ✔ Integrated push notifications & deep linking via Firebase Cloud Messaging & OneSignal. ✔ Built real-time chat & account sharing with Socket.io; added Twilio for messaging & verification. ✔ Developed social authentication (Google, Facebook, Apple). ✔ Used Appsflyer for analytics & growth tracking. ✔ Added AI-powered features with OpenAI & Claude APIs. ✔ Ensured performance & stability through manual testing. Core Tech: React Native, Expo, JavaScript, TypeScript, Supabase, Firebase, OneSignal, RevenueCat, Socket.io, Twilio, AppsFlyer, OpenAI API.

Codify_Software Services

React Native Developer | Mobile app Development for iOS & Android

Codify Software Services • Temps plein

Dec 2022 - Dec 2024 • 2 yrs

Developed and launched cross-platform mobile applications for startups and product teams, taking projects from Figma designs to successful App Store and Google Play releases. ✔ Delivered React Native MVPs with 100% first-submission approval rate ✔ Built scalable mobile applications using TypeScript and Redux ✔ Integrated Firebase services and REST APIs ✔ Implemented payment systems and Google Mobile Ads SDK ✔ Developed offline support and retry mechanisms for APIs ✔ Delivered pixel-perfect UI implementations from Figma designs ✔ Optimized applications for both iOS and Android devices ✔ Improved app stability and performance across multiple devices ✔ Supported successful launches on App Store and Google Play