Yaroslav

Yaroslav Holinskyi WA: [відкрити контакти](див. вище в блоці «контактна інформація») Tg: kaiserdem
iOS Developer [відкрити контакти](див. вище в блоці «контактна інформація») github.com/kaiserdem
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A progressive iOS developer with a strong team spirit and a desire to master the latest technologies, has extensive
experience in developing applications of varying complexity, working both in large teams with large-scale projects and
independently from scratch to publication in the Apple Store.

●​ Languages: Objective-C, Swift, SwiftUI, RxSwift, Combine, UIKit
●​ Architectures: SOLID, Clean Architecture, TCA, Redux, MVVM, MVVM-C, MVC, Al tools, Cursor

Work Experience:

Independent Contractor (April 2023 – Present)

●​ Creation, development, and launch of a line of gambling applications for affiliate marketing (distribution, review,
and work with Apple services). Development of architecture and native mobile apps for a social casino. A/B
testing, Feature Flag, Remote Config, WebView, Amplitude, AppsFlyer, SwiftUI, MVVM, TCA, Redux,
Combine, In-Ap Purchases.

●​ ChatGPT Client: Development of a mobile ChatGPT client with OpenAL and WhatsApp API integration and
advanced text processing functions. SwiftUI, Combine, TCA, OpenAI, Speech Framework.

EvoPlay (June 2021 - July 2025)

●​ GGbet: Development and support of a betting application
https://apps.apple.com/ua/app/ggbet-ua/id6450049712?l=uk
UIKit, RxSwift, MVVM-C, Clean Architecture, GraphQL, Swinject, Realm, Firebase, Carthage, GCD, SPM.

●​ Tourist Application: Development of a mobile application for clients of a tourism business, support for iPhone/iPad
platforms, development from scratch. UIKit, RxSwift, MVVM-C, Swinject, Moya, Clean Architecture, Realm,
Firebase, MapKit, Google Maps, CoreLocation, XCTest, Quick/Nimble, SPM.

PULS Software (June 2020 - March 2021)

Development and planning, mentoring junior specialists helping with solving complex technical problems.
●​ Coinmerce: Development of a mobile application for the exchange, purchase and sale of cryptocurrencies
UIKit, MVVM, Moya. https://apps.apple.com/ua/app/coinmerce-bitcoin-kopen/id1409599830?l=ru

●​ Mozaico: Development of a mobile platform for the sale of mosaics UIKit, MVVM, ARKit, Shopify, Findify, Moya.
https://apps.apple.com/ua/app/mozaico-ar/id6742782310?l=uk
 Viaduct (February 2020 - May 2020)
●​ Development of a news application, a cashback application and a dating application.
MVC, CoreData, MapKit, Google Maps, CoreLocation

LegalShield (October 2019 - January 2020)
●​ Development of an application for cryptocurrency and photo wallpapers.

Own Projects:
●​ Landmarks App: A guide to notable landmarks in Kyiv https://apps.apple.com/ua/app/landmarks/id1483891603?l=ru
●​ Development of fitness application https://apps.apple.com/ua/app/gym-workouts/id6648797348?l=uk
●​ Development of sport nutrition application https://apps.apple.com/ua/app/nutrition/id6470291232?I=rU

Education & Certifications:
●​ Point-Free: Advanced course on Functional Programming, The Composable Architecture (TCA), and Swift
Architecture (Continuous learning)
●​ Swift iOS Development Course by Alex Skutarenko (Swift, Objective-C) (2017)
●​ National Pedagogical Dragomanov University, Bachelor of Physical Rehabilitation (2016)
●​ Kyiv National University of Construction and Architecture, Master of Marketing (2013)

Languages:
●​ Ukrainian, Russian - Native
●​ English - Intermediate