Валентин

Valentyn Miedientsov
[открыть контакты](см. выше в блоке «контактная информация») | github.com/thehaipe | bufferly .app | Lviv, Ukraine

Professional Summary
iOS/macOS Developer with 1.5+ years of hands-on experience building and shipping native applications. Specialized in Swift
and SwiftUI with MVVM and offline-first architecture. Delivered three production apps -- including a gamified productivity
system leveraging Screen Time API extensions, a native macOS clipboard manager, and an App Store utility app. Proficient in
the full development lifecycle: system design, API integration, App Store submission, and ASO.

Technical Skills
Languages & Frameworks: Swift, SwiftUI, AppKit, Carbon.
Architecture: MVVM-C, SOLID, OOP, POP, Offline-first, Human Interface Guidelines.
Data & Networking: SwiftData, Realm, REST API, URLSession, App Groups.
System APIs: FamilyControls, DeviceActivity, ManagedSettings, Screen Time API, PDFKit.
Tooling: Xcode, Xcode Cloud, TestFlight, Instruments (Time Profiler), Git, GitHub.
Analytics & Distribution: PostHog, App Store Connect, ASO.
AI-Assisted Development: Claude Code, Codex, MCP, Skills and Plugins.

Projects
Ravelo​ December 2025 - Present
iOS Developer – Gamified Productivity App
Designed and implemented a Time Currency economy where users earn app access by completing productive sessions,
driving engagement and habit formation.
Built a multi-target extension architecture using FamilyControls, DeviceActivity, and ManagedSettings, overcoming
sandbox and IPC constraints.
Developed a custom Time Market with pause/resume mechanics and persistent currency backed by a unified SwiftData +
App Groups data layer for real-time cross-target sync.
Created a privacy-first analytics dashboard with custom productivity visualizations.
Designed a Bento-style dashboard and custom Shield Configuration UI for a seamless restriction experience.
Bufferly​ January 2026 - May 2026
macOS Developer – Native Clipboard Manager
Built and shipped a native Swift/AppKit clipboard manager featuring a custom scroll-driven "Spin Dial" interaction, app-
source grouping, and clipboard history persistence.
Integrated Quick Look previews and system-level productivity hooks via Carbon APIs, balancing functionality with low
cognitive load.
Focused on low-latency UX and native macOS performance throughout the full product lifecycle.
RentInspector​ June 2025 - November 2025
iOS Developer – App Store Utility
Developed a minimalist iOS app for recording rental property condition, enabling tenants to document state at move-in and
move-out to protect security deposits.
Implemented on-device PDF report generation (PDFKit) with one-tap sharing.
Published to the App Store and performed full ASO optimization for organic discovery.

Education
Lviv Polytechnic National University​ 2024 - 2028
Bachelor's Degree in Software Engineering