Maxim

MAXIM HRANCHENKO
iOS Developer
iOS Developer with 5 years of experience building scalable, user-focused apps
using Swift, SwiftUI, and MVVM architecture. Passionate about performance,
clean code, and elegant UI/UX. Experienced in both feature development and
SDK integrations for fintech, travel, and blockchain products.

Ukraine, Cherkasy WORK EXPERIENCE
[відкрити контакти](див. вище в блоці «контактна інформація»)
RubiconWare
https://github.com/iMaxiOS
07/2023 - 04/2025
@iMakca iOS Developer
SharkVPN - I had the opportunity to contribute to the development of a secure and

🧠 ARCHITECTURE & CODE QUALITY user-friendly VPN service. My responsibilities spanned a variety of key areas,
including:
• GraphQL Integration: Leveraging Apollo for efficient data fetching and
management.
MVVM, Modular Architecture • Feature Development: Designing and implementing new features that enhance
the overall user experience.
Dependency Injection • Payment System Integration: Collaborating with SDKs like Adyen and
HURRICANE to integrate reliable and seamless payment processing.
SOLID, Clean Architecture principles Stack: MVVM, SwiftUI, Apollo, Amplify, WireGuardKit, Package Manager, Adyen
SDK, StoreKit, Keychain, Postman, Teamplate
Swift Concurrency (async/await)
Digitalstage.io - I contributed to developing a cutting-edge NFT clothing
marketplace, merging fashion with blockchain technology.
Code review & refactoring
• API Integration: Seamlessly connecting the platform with powerful APIs to
enhance functionality and user experience.

🛠 TECH STACK • Feature Development: Building innovative features that elevated the user journey
and provided a smooth interaction with digital assets.
• Wallet Integration: Integrated Valora and Metamask wallets for secure
blockchain transactions.
Swift REST
• Bug Fixing: Ensuring a flawless user experience by identifying and resolving
issues swiftly.
SwiftUI Moya
Stack: MVVM, RxSwift, GraphQL, SnapKit, Kingfisher, SwiftGen, Lottie, Firebase,
UIKit SnapKit SignIn with Apple, Google, Facebook

Combine Apollo Utopia Air
RxSwift 07/2022 - 05/2023
GraphQL
iOS Developer - Freelance
CoreData Firebase
Utopia Air - I had the opportunity to develop a comprehensive air ticket exchange
Realm application, with a strong focus on creating an intuitive and visually captivating
AVFoundation
user interface. My responsibilities included:
GCD • UI Design: Crafting an engaging interface that enhances user interaction and
experience.
async/await • Feature Development: Implementing new functionalities that added value and
streamlined the ticket purchasing process.
• Animation Creation: Designing animations that brought the application to life,
ensuring a smooth and enjoyable user journey.
Stack: MVVM, SwiftUI, Core Data, Sketch, Figma, Git, Jira
🧰 TOOLS & WORKFLOW Tawasal SuperApp
05/2021 - 04/2022
Git, Figma, Sketch, Jira, Xcode Instruments, iOS Developer
CI/CD
The Tawasal application offers users a dynamic feed of football match
information, enabling them to view past matches and easily add their favorite

🌍 LANGUAGES
leagues, teams, and players. With real-time updates, users can stay connected to
the action as it unfolds.
Stack: MVC, GCD, SnapKit, Networking, Moya, Core Animation, Git, Jira, Sketch,
Ukrainian (native), Postman
Russian (native), AppStore: https://apps.apple.com/us/app/tawasal-superapp/id1507761438
English (Intermediate (written), Pre-
intermediate (spoken)) One Space
07/2019 - 04/2021
iOS Developer
🎓 EDUCATION The application delivers timely news on current trends in the information economy
and the development stages of the Bitbon system. Throughout the development
Kharkiv National Automobile and Highway process, I gained extensive hands-on experience with MVVM and RxSwift,
University enhancing my ability to create responsive and scalable applications.

Stack: MVVM - Coordinator, RxSwift, SnapKit, Realm, Firebase, Push Notification,
Traffic controller
2006 - 2010 SDWebImage, Alamofire, Lottie, Git, Jira, Sketch.
AppStore: https://apps.apple.com/ua/app/one-space/id1451697934

🎯 INTERESTS Certificates
Travel Fishing
ITOMICH STUDIO
Games Chess 04/2021 - 08/2021
To certify the successful completion of the education course
Sports

Spalah IT-School
01/2019 - 05/2019
Completed courses spalah.ua/kh

Achievements

Contributed to the development of 5+ commercial iOS projects using MVVM
architecture.
Improved app performance and stability through optimized code and error
handling.
Integrated third-party SDKs (payments, blockchain, media) into live products.
Created smooth, custom UI components and animations with SwiftUI and UIKit.
Delivered features on time, working closely with cross-functional teams.
Wrote maintainable code using MVVM and reactive frameworks like RxSwift
and Combine.