Faisal N.

I build production-ready iOS apps in Swift and SwiftUI for startups, from idea or Figma to App Store approval, and I rescue unstable ones. Ex-ByteDance (TikTok Shop) and Tokopedia engineer. On Upwork I rebuilt a full SaaS app in SwiftUI and shipped it with a 5.0 review. At ByteDance my work covers video performance optimization, scalable mobile architecture, creator-commerce features, analytics attribution, and production stability for platforms used by millions of people daily. Before that I was at Tokopedia, one of Indonesia's largest tech companies, working on high-impact commerce features and internal platform tooling. What I bring to a project: • Native iOS: Swift, SwiftUI, UIKit • Production architecture: MVVM, Clean Architecture, SOLID • StoreKit subscriptions and monetization flows • AVPlayer, video streaming, realtime UI • Smooth animations and performance optimization • REST and GraphQL APIs • Firebase, Supabase, analytics and attribution SDKs • App Store submission and rejection recovery • Debugging complex inherited codebases I am especially strong at: • Taking an idea or a Figma file to a shipped, stable v1 • Turning unfinished or unstable apps into production-ready ones • Translating designs into pixel-perfect native UI • Working independently with clear communication and fast iteration Recent work includes streaming and subscription apps, AI-powered consumer apps, real-time messaging apps, SaaS dashboards, custom charting and financial UI, and App Store rescue projects. I am not an agency. You work directly with me as the engineer building your product, which means faster communication, better technical alignment, and one person accountable for the result. If you need someone who can think past the code and help ship a stable, scalable app, let's talk.