Максим

Maksym Barreiro Fontela
JUNIOR IOS DEVELOPER
Odesa, Ukraine | [open contact info](look above in the "contact info" section) | LinkedIn: [open contact info](look above in the "contact info" section) | GitHub:
github.com/barreiro-max

SUMMARY

Detail-oriented Junior iOS Developer with a strong foundation in Computer Science and a passion for building clean, scalable native applications. Highly proficient in Swift, SwiftUI, and modern architectural patterns (MVVM, MVI, Clean Architecture). Hands-on experience developing production-ready projects utilizing SwiftData, Firebase, and advanced iOS APIs. Dedicated to writing maintainable code, comprehensive testing, and thorough documentation.
TECHNICAL SKILLS

Languages & Core: Swift, SwiftUI, SwiftData, Foundation, Observation
Backend: FirebaseAuth, FirebaseFirestore
Architecture & Patterns: MVVM, Coordinator, Dependency Injection
Testing: SwiftTesting, XCTest
Tools: Git, Swift Package Manager
Apple APIs: UserNotifications, Translation, OSLog
Soft Skills: System Mindset, Strong Communication, Teamwork, Self-Motivation
PROJECTS

PushLearn — iOS Application for Language Learning
GitHub: github.com/barreiro-max/PushLearn
• Engineered a scalable MVVM architecture ensuring a clean separation of concerns and robust data flow.
• Integrated Firebase Authentication and structured full CRUD operations with Cloud Firestore.
• Leveraged the native Apple Translation API to deliver seamless multi-language word lookups.
• Implemented local push notifications for scheduled reminders and managed multi-language localization using .xcstrings.
• Authored comprehensive project documentation and a detailed README.
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CalendarMVVM — Event Management & Calendar App
GitHub: github.com/barreiro-max/CalendarMVVM
• Developed a custom infinite scrolling date pagination algorithm utilizing the Foundation Date API.
• Designed an intuitive event creation and state-management workflow using MVVM.
• Built a dedicated WidgetKit widget to display upcoming tasks directly on the Home Screen.
• Integrated local system notifications for real-time event alerts.
ToDoList — Task Management Application
GitHub: github.com/barreiro-max/ToDoList
• Architected a production-ready task editing workflow adhering to Clean Architecture principles.
• Successfully integrated SwiftData within an MVVM context to handle persistent storage and deep data filtering.
• Optimized data binding and view updates using modern state-handling approaches.
UnsafeCollections — Open-Source Swift Package
• Designed and published a reusable Swift Package (SPM) focused on low-level computer science and memory management concepts.
• Architected a clean, developer-friendly public API fully documented using DocC.
• Ensured code reliability and stability by achieving high test coverage with XCTest / SwiftTesting.
EDUCATION

National University “Odesa Law Academy”2024 – 2028 (Expected)
Bachelor’s Degree in Computer Science
LANGUAGES

Ukrainian: Native
English: Technical (Professional working proficiency)
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