Юрій

YURII
DERZHYLO
IOS Developer
[открыть контакты](см. выше в блоке «контактная информация») [открыть контакты](см. выше в блоке «контактная информация») Lviv, Ukraine @exedevm LinkedIn

PROFILE
iOS Developer with 6+ years of experience designing and delivering scalable mobile
applications across multiple industries, including fintech, e-commerce, gaming, education,
logistics, travel, fitness, entertainment, and visionOS. Experienced in application architecture,
technical leadership, performance optimization, and App Store release management,
delivering reliable, scalable, and high-quality products.

EXPERTISE
UIKit • SwiftUI • tvOS • visionOS • RealityKit • ARKit • MVVM • VIPER • TCA • ReSwift • Clean
Architecture • Swift Concurrency • Combine • RxSwift • GraphQL (Apollo) • Alamofire •
WKWebView • JS Bridge • WebSockets • OAuth • JWT • Keychain • CoreData • Realm • Firebase •
Push Notifications • AppsFlyer • OneSignal • Facebook SDK • AdMob • AdSupport • StoreKit • In-
App Purchases • Stripe • Portmone • PassKit • AWS • Twilio • MapKit • MapLibre • Core Location •
CoreBluetooth • AVFoundation • Charts • Kingfisher • Lottie • Moya

EDUCATION
Ukrainian National Computer Systems Networking and
Forestry University Telecommunications

Lviv Polytechnic Computer
National University Science

WORK EXPERIENCE
kombine.tech
Lead IOS Developer Oct 2025 - Jun 2026
Defined architecture and technical solutions across a diverse portfolio of iOS applications, including
gaming, finance, travel, VPN, and utility products, using UIKit, SwiftUI, MVVM, TCA, VIPER, and Clean
Architecture. Integrated GraphQL, Firebase, AppsFlyer, StoreKit, WebSockets, and other third-party
services while building scalable and reusable components shared across multiple projects.
Contributed to product planning, technical documentation, and development workflows using Jira
and Confluence. Led code reviews, mentored developers, and established coding standards to
improve maintainability and code quality. Managed App Store release processes by resolving review
rejections, compliance issues, and preparing successful appeals while collaborating closely with
cross-functional Agile teams.

Qualium Systems
IOS Developer Nov 2025 - Apr 2026 (Fixed-term contract)
Developed an immersive aircraft cockpit simulation application for iPad and visionOS using SwiftUI,
UIKit, RealityKit, and ARKit. Designed a scalable architecture for complex spatial interactions, modular
scene management, and interactive 3D cockpit systems. Leveraged Swift Concurrency, AWS, and
Realm while optimizing rendering performance, memory usage, and spatial UI responsiveness.
Collaborated on architecture decisions, code reviews, and production readiness across cross-
functional teams.
Forbus Tech
IOS Developer Apr 2023 - Oct 2025
Maintained consumer-facing, utility, and e-commerce iOS applications, alongside internal tools for
App Store Connect automation. Architected scalable solutions using MVVM+C, MVP, ReSwift, TCA,
Combine, RxSwift, CoreData, Realm, and Alamofire. Integrated Firebase, AppsFlyer, Facebook SDK,
OneSignal, AdSupport, and WebView-based solutions to support analytics, attribution, remote
configuration, monetization, and user engagement. Implemented feature flags and A/B testing while
managing the full application lifecycle, including App Store releases, review communication, technical
planning, code reviews, and cross-functional collaboration within Agile Kanban teams.

Codebridge Technology, Inc.
IOS Developer Jun 2023 - May 2024
Contributed to the development of a fitness application and consumer-facing iOS products with
Bluetooth Low Energy (BLE) integrations using CoreBluetooth for device discovery, connection
management, data synchronization, and real-time sensor processing. Built scalable solutions using
MVVM, SwiftUI, RxSwift, and Combine while integrating Stripe, Portmone, StoreKit, In-App Purchases,
Firebase, Affise, AdMob, and OneSignal. Leveraged GraphQL (Apollo), AWS, CoreData, Twilio, MapLibre,
and Charts to deliver data-driven features, real-time communication, mapping, and data visualization.
Participated in feature planning, code reviews, testing, and performance optimization within Agile
development teams.

IWIS LLC
IOS Developer Oct 2022 - Jun 2023 (Fixed-term contract)
Delivered new features and enhancements for customer-facing iOS applications of leading brands,
including Planeta Kino, Goodwine, and Bad Boy. Developed scalable MVVM+C solutions supporting e-
commerce, ticket booking, loyalty programs, product catalogs, and content delivery. Leveraged
GraphQL, CoreData, Reachability, and WebView to build reliable offline-first experiences while
integrating Portmone, PassKit, SwiftyStoreKit, Firebase Cloud Messaging, and MarketingCloudSDK.
Utilized Firebase Crashlytics, MapKit, and Core Location to improve application stability, location-
based functionality, and personalized user experiences, collaborating closely with product, backend,
design, and QA teams throughout the development lifecycle.

Timelycode
IOS Developer Dec 2021 - Nov 2022
Engineered a branded educational platform for creators and academies featuring video courses,
workshops, mentoring sessions, media galleries, comments, and real-time interactions. Built scalable
solutions using Clean Architecture, ReSwift, UIKit, and SwiftUI while integrating Portmone, Firebase
Realtime Database, Firebase Authentication, Dynamic Links, AVFoundation, Kingfisher, Hero, and
Lightbox. Designed custom authentication and user management flows with secure Keychain storage,
and leveraged MapKit, Mapbox, Realm, URLSession, and Moya to deliver location-aware functionality
and efficient networking. Collaborated on testing, code reviews, debugging, and TestFlight releases to
ensure application quality and reliability.

Kurt Beier GmbH
IOS Developer, Translation Specialist Jan 2020 - Dec 2021
Developed an internal logistics platform for European truck drivers and dispatchers, supporting issue
reporting, client communication, vehicle damage documentation, and equipment tracking. Designed a
modular MVVM architecture and implemented structured workflows for incident reporting, photo-
based documentation, and operational process automation. Leveraged UIKit, CoreData, URLSession,
GCD, Firebase Crashlytics, and Firebase Messaging to deliver reliable offline functionality, data
synchronization, monitoring, and push notifications. Collaborated directly with English-speaking
customers and business stakeholders, translating operational requirements into technical solutions
while contributing to code reviews, testing, debugging, performance optimization, and business-
critical workflow validation using Nimble.