---
title: Senior iOS Engineer
description: #CV #resume #iOS #Poland #резюме
---

# Senior iOS Engineer

**Location:** Poland  
**Posted:** 2026-09-18  
**Apply by:** 2026-11-02

**Tags:** devops, qa, ios, designer

[Apply / View original posting](https://t.me/Pol_relocation/57267)

## Job description

#CV #resume #iOS #Poland #резюме

**__Senior iOS Engineer 
__**
Experience: 6+ years of professional development
Work format: Remote / hybrid, full-time
Location: Poland

Core stack:
Core & UI: Swift, Objective-C, C++, UIKit, SwiftUI (Storyboard, Xib, SnapKit, PinLayout)
Architectures: MV(X), VIPER, Clean Swift, TCA
Reactive & Concurrency: Combine, RxSwift, Async/Await, GCD, NSOperation
Persistence & Cloud: CoreData, Realm, UserDefaults, Keychain, iCloud, Firebase
Networking: URLSession, REST (Alamofire), GraphQL (Apollo), gRPC, WebSocket (Starscream)
Specialized Frameworks: AVFoundation, Metal, CoreBluetooth, Vision, ARKit, RealityKit, SceneKit, SpriteKit
Monetization & Push: StoreKit, RevenueCat, PassKit, OneSignal, APNs
Testing & QA: XCTest, Snapshot Testing, Proxyman, Charles, Postman
Tools & DevOps: Git (Bitbucket, GitLab, GitHub), Fastlane, CI/CD, SwiftLint, SwiftGen, XcodeGen, SwiftFormat, SPM, CocoaPods
Design & Management: Figma, Adobe, Jira, TestFlight, AppStoreConnect

Key experience:

Product-focused iOS engineer with a track record across fintech, blockchain, Metal, VPN, and health products — building them from the ground up, owning critical user journeys with high reliability requirements, driving technology, architecture, and navigation decisions, refactoring legacy modules in mission-critical flows to cut regression risk, conducting code reviews, building a reusable UIKit/SwiftUI architecture template to speed up new product setup, mentoring juniors, contributing to product redesigns, and validating ideas fast through MVPs.

**Portfolio:** `https://tinyurl.com/ivan-tsviatkou-iOS-developer`

**Telegram:** `@kroshka_evan`
**WhatsApp:** `+48 797 048 490`
**LinkedIn:** `linkedin.com/in/ivan-tsviatkou-ios-developer`
**Email:** `kroshkaevan@gmail.com`

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