Viktor M.

Senior iOS Developer with 14+ years building apps that ship — from zero-to-App Store MVPs for startups to scaling complex codebases for established products. 🚀 What I can help you with: ✅ New iOS app — Swift, SwiftUI, UIKit from scratch ✅ MVP development — concept to App Store submission ✅ Legacy app rescue — refactor Objective-C to Swift, fix crashes, improve performance ✅ Feature development — in-app purchases, push notifications, location, media, APIs ✅ Code review & architecture — MVVM, MVC, clean architecture ⚙️ Core technologies: 🔹 Swift · SwiftUI · UIKit · Objective-C (legacy support) 🔹 Firebase (Auth, Realtime DB, Push, Dynamic Links, Messaging) 🔹 CoreData · SQLite · RESTful API integration 🔹 AVFoundation · CoreAudio · MapKit · StoreKit 🔹 In-app purchases · Push notifications · GPS · Photo/Video/Audio 🔹 Git · CocoaPods · Swift Package Manager 🔹 App Store submission · TestFlight · deployment I've worked across fintech, social, media, and entertainment apps — including integrations with Facebook, Google, Instagram, Twitter, YouTube, and Vimeo. I also have cross-platform experience in Cocos2d-x (iOS & Android). I use AI-assisted development tools (Claude, Codex) to ship faster without cutting corners on code quality. 14 years means I've seen every edge case, debugged every crash type, and shipped under every kind of deadline. You get a developer who moves fast and doesn't disappear. 📩 Send me your project brief — I'll respond within 4 hours.