Senior iOS Engineer

Founded and independently shipped a SwiftUI iOS application for actors featuring script import, automatic cue detection, teleprompter functionality, self-tape recording, and AI-powered PDF script parsing. Reached more than 500 downloads and 12 paid subscriptions within three months of launch.

Implemented real-time cue detection using word-by-word fuzzy matching with the Speech framework, audio routing through AVFoundation and AirPods, a Cloudflare Workers backend using GPT-4o mini, and subscription monetization with StoreKit and RevenueCat. Managed the App Store launch and Apple Search Ads campaigns across four markets.

Developed a non-custodial crypto wallet supporting asset storage and transfers across Bitcoin, Ethereum and EVM chains, Solana, and other networks.

Profiled and optimized the networking layer with Instruments, reducing redundant API calls by 45% and improving median screen-load time by approximately three times. Built CI/CD automation with Fastlane and TestFlight, introduced initializer-based dependency injection, and created a Python pipeline for automated white-label app builds.

Led iOS development for a digital fashion startup creating branded clothing replicas for games, VR/AR, and Web3. Re-architected the application for a white-label model and shipped three branded apps from a shared codebase with customized designs.

Modularized the codebase using Swift Package Manager, Combine, and dependency injection. Built a marketplace using Stripe SDK and StoreKit, rendered 3D clothing models with SceneKit and progressive loading, and mentored a junior iOS engineer through code reviews and pairing.

Worked on Bakong, the National Bank of Cambodia's nationwide mobile banking and payments application.

Led end-to-end delivery of KYC onboarding with document capture and face verification using Google ML Kit and AVFoundation. Shipped fund transfers, bill payments, and account management features, reducing user-reported issues in key flows by 55% and increasing new-user onboarding completion by 30%.

Developed SberBusiness, an iOS banking client for legal entities covering accounts, payments, and documents at one of Russia's largest banks.

Built an in-app banking marketplace with analytics tracking, created a native dependency injection framework, and led the Objective-C to Swift migration of the Payment History module. Redesigned the Payments section to reduce its crash rate by 80% and helped establish code review practices and unified coding standards as the team tripled in size.