Struggling to launch or scale your Apple-native app without technical debt? My name is Seraphim, a Senior iOS Developer with ๐๐+ ๐ฒ๐๐๐ซ๐ฌ experience, having shipped ๐๐+ ๐ก๐ข๐ ๐ก-๐ช๐ฎ๐๐ฅ๐ข๐ญ๐ฒ ๐๐ฉ๐ฉ๐ฌ across iOS, macOS, and watchOS that are fast, polished, and seamlessly integrated into the Apple ecosystem.
๐ฑ ๐๐๐ ๐ ๐๐๐ ๐๐๐๐ ๐๐๐
๐๐ง๐-๐ญ๐จ-๐๐ง๐ ๐ข๐๐ ๐๐ฉ๐ฉ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ
โข Building high-quality native apps for iPhone, iPad, Apple Watch, and Mac with clean, scalable code.
๐๐ฉ๐ฉ ๐๐ซ๐๐ก๐ข๐ญ๐๐๐ญ๐ฎ๐ซ๐ & ๐๐จ๐๐๐๐๐ฌ๐ ๐๐๐ฏ๐ข๐๐ฐ๐ฌ
โข Expert guidance on architecture, code quality, and technical debt reduction for existing projects.
๐๐ฐ๐ข๐๐ญ๐๐ & ๐๐๐๐ข๐ญ ๐๐ฌ๐๐ซ ๐๐ง๐ญ๐๐ซ๐๐๐๐๐ฌ
โข Designing Apple-native, polished UX strictly following Human Interface Guidelines.
๐๐ฉ๐ฉ ๐๐ญ๐จ๐ซ๐ ๐๐ฎ๐๐ฆ๐ข๐ฌ๐ฌ๐ข๐จ๐ง & ๐๐จ๐ฆ๐ฉ๐ฅ๐ข๐๐ง๐๐
โข Handling app deployment, store compliance, localization, and accessibility support.
๐๐๐ฏ๐๐ง๐๐๐ ๐ ๐๐๐ญ๐ฎ๐ซ๐๐ฌ ๐๐ง๐ญ๐๐ ๐ซ๐๐ญ๐ข๐จ๐ง
โข Implementing Apple Pay, in-app purchases, Firebase, and companion app support for watchOS and macOS.
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๐ ๐ช๐๐๐ง ๐๐๐๐๐ก๐ง๐ฆ ๐ฆ๐๐ฌ ๐
โWorking with Seraphim has been an absolute pleasure. His iOS development skills are top-tierโprecise, efficient, and consistently reliable. He delivered high-quality work, communicated clearly, and always approached challenges with a problem-solving mindset. We feel incredibly lucky to have had the opportunity to work with him and would gladly do so again. Highly recommended for any iOS project.โ
โ Client
โSeraphim is an absolute stud. He single-handedly built our app, and took it from concept to production in a matter of months, serving tens of thousands of users. Beautiful attention to detail, and a huge joy to have on the team. He cares deeply about his work and teammates, is a true professional, and stays up-to-date with the latest in iOS. You'd be stupid not to hire Seraphim.โ
โ Client
โSeraphim was phenomenal to work with. He took over for a prior developer and immediately picked up where the project left off, without a hitch. His expertise in Swift and iOS development is second-to-none, and I am in constant awe of the solutions he's produced to solve the unique challenges I've sent his way. He met all deadlines I set while being very communicative of progress. Seraphim was always quick to hop on a conference call to discuss any problems I ran into, and was patient with me through to the end. It was a pleasure working with him, and I am eager to work with him again in the future.โ
โ Client
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๐ค ๐๐๐ง'๐ฆ ๐๐จ๐๐๐ ๐ฌ๐ข๐จ๐ฅ ๐๐ฃ๐ฃ
Have an iOS project or need expert advice? ๐ ๐ฒ๐๐๐ฎ๐ด๐ฒ ๐บ๐ฒ ๐ผ๐ป ๐จ๐ฝ๐๐ผ๐ฟ๐ธ ๐๐ผ๐ฑ๐ฎ๐ for a free consultation and clear path to a polished Apple-native app.
I typically respond within 6 hours and prioritize timely, professional communication.
============================
๐ ๏ธ ๐๐๐๐๐ & ๐๐๐๐๐๐๐๐๐๐
๐๐๐ง๐ ๐ฎ๐๐ ๐๐ฌ & ๐ ๐ซ๐๐ฆ๐๐ฐ๐จ๐ซ๐ค๐ฌ
โข Swift
โข SwiftUI
โข UIKit
โข Combine
โข SwiftData
โข ARKit
โข Vision
๐๐ฅ๐๐ญ๐๐จ๐ซ๐ฆ๐ฌ
โข iOS
โข iPadOS
โข macOS
โข watchOS
๐๐จ๐จ๐ฅ๐ข๐ง๐ & ๐๐๐ฅ๐ข๐ฏ๐๐ซ๐ฒ
โข Xcode
โข Git
โข Fastlane
โข TestFlight
โข Firebase
โข Jenkins (CI/CD)
๐๐ซ๐๐ก๐ข๐ญ๐๐๐ญ๐ฎ๐ซ๐ & ๐๐ฎ๐๐ฅ๐ข๐ญ๐ฒ
โข MVVM
โข TCA
โข VIPER
โข Coordinators
โข Protocol-Oriented Programming
โข XCTest
โข Swift Package Manager (SPM)
๐๐ฉ๐ฉ ๐๐ง๐ญ๐๐ ๐ซ๐๐ญ๐ข๐จ๐ง & ๐๐๐ซ๐ฏ๐ข๐๐๐ฌ
โข StoreKit
โข Apple Pay
โข In-App Purchases
โข RESTful API
โข Localization & Accessibility
๐๐ซ๐จ๐ฃ๐๐๐ญ & ๐๐๐ฅ๐๐๐ฌ๐ ๐๐๐ง๐๐ ๐๐ฆ๐๐ง๐ญ
โข App Store submission
โข CI/CD pipelines
โข Code review
โข Technical debt management
iOS Development, Swift, SwiftUI, UIKit, WatchOS, Core Data, StoreKit, Firebase, Apple Xcode, Mobile App Development, AI and Agentic coding, Claude Code
Apple Xcode
Core Data
iOS Development
Swift
UIKit
iOS
iPadOS
watchOS
StoreKit
Mobile App Development
Firebase
SwiftUI
macOS
RESTful API
TestFlight
Dzmitry L.
Warsaw, Poland
$20/hr
5.0
2 jobs
Hi ๐
I am an iOS developer with about 3 years of experience. I've been involved in many aspects of creating and maintaining applications, such as analysis, implementation, user interface design patterns and principles, writing unit tests, code reviews and etc.
Tech stack:
iOS, tvOS;
Swift;
Xcode;
Combine, RxSwift, GCD;
MVC, MVVM, MVP, VIPER, CleanSwift;
UIKit, SwiftUI;
TinyConstraints, SnapKit;
Realm, Firebase, CoreData;
REST, GraphQL;
Fastlane, TestFlight distribution;
CocoaPods, SPM, Carthage;
SwiftGen, SwiftLint, SwiftFormat;
CI/CD;
XCTest;
Git.
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