Sergey Lee · Senior iOS Engineer

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Sergey Lee · iOS Engineer
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Sergey Lee
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Sergey Lee — Senior iOS Engineer, 5 years. Swift, SwiftUI, UIKit, Combine. Shipped apps with 100K+ users. Mobile architecture and performance. Seoul, UTC+9, open to global remote.

At a glance

5+
years shipping production iOS
100K+
users reached across shipped apps
Swift-first
SwiftUI · UIKit · Combine

Selected work

Shipped iOS apps

Production apps built and maintained in Swift & SwiftUI. App Store links and deeper case studies available on request.

Experience

Career

Full-time iOS engineering in Seoul since 2021.

Oct 2024 — Present
iOS Developer · Meditor Co
Building and shipping production iOS features in Swift & SwiftUI. Seoul, South Korea.
Apr 2022 — Sep 2024
iOS Developer · Wethm
Developed and maintained a customer-facing iOS app; focused on performance and modern UI/UX. Seoul.
Aug 2021 — Apr 2022
Mobile Application Developer · THE.WAVE.TALK
Built mobile app features for a deep-tech hardware product. Seoul.

Skills

How I work

Languages

Swift

UI

SwiftUIUIKit

Reactive

Combine

Focus

Mobile architecturePerformanceModern UI/UX

Education: BA — Tashkent State University of Oriental Studies.

About

I'm an iOS engineer with five years building production apps, focused on mobile architecture, performance, and modern SwiftUI/UIKit interfaces — apps that stay fast and feel effortless under real load. I'm based in Seoul on KST (UTC+9), comfortable working async with distributed teams. The rotating 3D bust at the top of this page was built by me in Three.js — a small proof of the range I bring beyond the App Store.

Contact

Let's talk.

Open to senior iOS roles, global remote. The fastest way to reach me:

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📍 Seoul, South Korea🕘 UTC+9 (KST)✉ guagetru.bla@gmail.com