Roman

Roman Franchuk
Senior iOS Engineer
Ukraine [відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація»)

SUMMARY
Senior iOS Engineer with 8+ years of experience building real-time video, audio, and media pipeline systems.
Specialized in AVFoundation, low-latency rendering, and performance-critical architectures. Delivered
production-grade applications independently across AR, streaming, and communications domains. Integrates
AI-assisted development workflows to reduce debugging time and improve test coverage.

CORE SKILLS
Languages & UI: Swift, UIKit, SwiftUI
Concurrency: Swift Concurrency (async/await), GCD, Combine, RxSwift
Media & Streaming: AVFoundation, AVAudioEngine, real-time video capture & processing, low-latency
rendering, DRM, live streaming
Architecture: MVVM-C, Clean Architecture, Modular Design, Dependency Injection
Tooling: Xcode, Instruments, Git, Fastlane, Firebase, CI/CD, TestFlight
AI: ChatGPT, GitHub Copilot, Claude - daily use for feature delivery acceleration, unit test coverage, debugging,
architectural validation, and documentation

EXPERIENCE

Senior iOS Engineer · Opinov8 May 2025 – Dec 2025
Sports training app - real-time AR + computer vision pipeline. Designed architecture from scratch and owned full
delivery cycle.
•​ Designed and built high-performance video capture and processing pipeline supporting real-time sports
analytics
•​ Implemented AR-based measurement tools with stable CPU/memory performance under continuous load
•​ Delivered production-ready application independently from architecture to App Store release

Senior iOS Developer · Softermii Oct 2021 – May 2025
Project 1: Real-time video social platform - video rooms, participant management, streaming SDK integration.
•​ Designed and implemented video room and participant lifecycle management - platform served up to 12,000
concurrent users (avg 6,500)
•​ Integrated streaming SDK; resolved session instability and synchronization issues on lower-end devices
•​ Reduced crash rate from 1.2% to 0.4% by addressing race conditions and session edge cases in production
Project 2: SoundIt - real-time audio engine rebuild.
•​ Redesigned audio engine architecture for scalability; implemented real-time audio processing and sound
filters
•​ Reduced P95 playback latency by 35% - from ~2.3s to ~1.5s

iOS Developer · Got It Agency Jun 2020 – Oct 2021
EdTech platform replacing traditional driving schools.
•​ Led architecture planning and feature development; integrated media playback and third-party services
•​ Managed App Store release pipeline

Software Engineer · GlobalLogic Oct 2017 – Mar 2020
Two concurrent products: digital medical records platform and Apple TV streaming application.
 •​ Implemented DRM-protected video playback and live streaming functionality
•​ Contributed to digital patient record system: feature development and refactoring

EDUCATION
Lviv Polytechnic National University — Bachelor in Computer Science

LANGUAGES
English — Upper-Intermediate (B2) Ukrainian — Native