Сергій

Serhii Monastyrskyi
Serhii Monastyrskyi
iOS Developer

Personal Info Summary
[відкрити контакти](див. вище в блоці «контактна інформація») Experienced iOS Developer with over 11 years in app development, specialising in Swift, SwiftUI,
[відкрити контакти](див. вище в блоці «контактна інформація») and UX/UI design. Delivered 16+ apps to the App Store, with 6+ years of remote work expertise.
@SerhiiM_UA Skilled in building high-performance applications and optimising user experiences.
Linkedin

GitHub Work Experience
Ukraine iOS Developer, DeHealth (B2B)
November 2024 - February 2025

Education Add new features, bug xes and prepare health App for public in AppStore (MVP build)
Systems engineer Tech stack: Swift, SwiftUI, Combine, MVVM-C (with coordinator), REST API, Swagger,
Technological University Postman, Figma, Jira, Notion.
Khmelnytskyi Leveraged external libraries and frameworks, including SPM.
Utilised version control tools such as GitHub for code management.
Skills
Xcode - Expert iOS Developer, Entie (B2B)
Cocoa Touch - Expert June 2024 - August 2024
Swift | SwiftUI | Combine - Expert Add new feature, bug xes and prepare app for public in AppStore (MVP build)
UI | UX Design - Expert Tech stack: Swift, SwiftUI, Combine, Firebase, APNS, Google Maps, REST API,
RESTful APIs - Expert MVVM-R (with router), Jira.
OOP Concepts - Expert Successfully deployed Apps to the Apple Store.
JIRA - Expert Leveraged external libraries and frameworks, including SPM.
Git Version Control - Expert Utilised version control tools such as GitHub for code management.
Multithreading - Experienced

Core Data - Experienced iOS Developer, Miteyda (B2B)
Core Bluetooth - Experienced August 2022 - March 2024
Architecture - Experienced Create App `BBox Mouse` and prepare to public in App Store
RxSwift - Experienced Tech stack: Swift, UIKit, SwiftUI, Combine, WKWebView, Core Bluetooth, Firebase,
Teamwork - Experienced AVFoundation.
Objective-C - Experienced Successfully deployed Apps to the Apple Store.
Leveraged external libraries and frameworks, including CocoaPods.
Languages Utilised version control tools such as Bitbucket and GitHub for code management.
English - B1+ (Actively Improving)

iOS Developer, Plasma Alliance OU (B2B)
March 2020 - July 2022

Designed and implemented 3 Apps using: Swift, UIKit, SwiftUI, URLSession, Core Data,
REST API, Websockets, RxSwift, RxCocoa, RxReplay, MVVM-R (with router), Jira.
Successfully deployed Apps to the Apple Store.
Leveraged external libraries and frameworks, including CocoaPods.
Utilised version control tools such as GitLab for code management.

iOS Developer, IT OOO (B2B)
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 September 2017 - April 2020

Create social network in blockchain `Golos`; create SDK to work with blockchain
Tech stack: : Swift, UIKit, URLSession, Core Data, Websockets, MKWeb, FCM,
AVFoundation, Clean Swift, RxSwift, Blockchain/EOS.
Leveraged external libraries and frameworks, including CocoaPods.
Utilised version control tools such as GitHub for code management.

iOS Developer, Cloud4b (B2B)
November 2016 - June 2017

Designed and implemented 2 Apps using: Swift, UIKit, URLSession, Core Data,
Clean Swift, REST API, MKWeb, Alamo re, AVFoundation.
Successfully deployed Apps to the Apple Store.
Leveraged external libraries and frameworks, including CocoaPods.
Utilised version control tools such as GitLab for code management.

iOS Developer, STFalcon
May 2013 - September 2016

Designed and implemented 7 Apps using: Objective-C, UIKit, CGD, REST API,
MobileCoreServices, CoreLocation, MKWeb, AFNetworking, AVFoundation, Firebase.
Successfully deployed Apps to the Apple Store.
Leveraged external libraries and frameworks, including CocoaPods.
Utilised version control tools such as GitHub and GitLab for code management.
Courses
Stanford Course, Developing iOS 8 Apps with Swift
2015 - 2016

iOS Development Course for Beginner, USA
2014

References
DeHealth
BBOX Mouse
Examples of Swift code (2 real commercial projects)
iOS App for Blockchain (Swift)
iOS App for Blockchain (Swift)
Framework (SDK) GoloSwift
Framework (SDK) CyberSwift
Production project `OmnieCommerce` (User part)
Production project `Public Patrol`
Outsourcing project `HuntsPoynt`
Outsourcing project `LSGallery`
Outsourcing project `KeepSnap`
Outsourcing project `Cookorama`
Outsourcing project `CleanCase`
Outsourcing project `Kadish`
Start-Up project `Entie`

Equipment
iPhone 13 (iOS 18.2)
MacBook Pro 15", 2018 (macOS Sequoia 15.2)
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 Charging Station Bluetti EB70
Stable internet connection (200 Mbps, LTE mobile networks)

Recommendations
Denis Meltsin (CleanCase Application, Israel):
“Serhii has proven himself as a valuable team member and a reliable developer” (details on the
application can be found in the RL le).
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