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Oleksandr S
@alexsisov
Senior iOS Developer
Ukraine
Anglais
À propos de moi
I am a Senior iOS Developer with 14+ years of experience building high-performance, real-time mobile applications using Swift, SwiftUI, and modern iOS architectures. I have a proven track record in designing scalable modular systems and leading architectural decisions in fintech, health, and streaming domains.
Compétences
Oleksandr S
hors ligne •
Temps de réponse moyen de 5 heures
Voir mes services
Développement d'applis iOS
I will build a custom iphone app with swift and swiftui
Développement d'applis iOS
I will fix bugs and crashes in your ios app with swift and swiftui
Portfolio
Expérience professionnelle
Sr. iOS Engineer
Viber • Temps plein
Jan 2025 - Feb 2026 • 1 yr 1 mo
● Developing fintech features for Viber Pay and wallet systems. ● Implementing secure KYC/KYB flows and contributing to modular Swift architecture in distributed teams.
Company
Temps plein • 2 yrs 10 mos
Sr. iOS Engineer
Oct 2023 - Feb 2025 • 1 yr 4 mos
Designed offline-first architecture with background sync and optimized large datasets using CoreData. iOS Developer — Anders
Sr. iOS Engineer
Sep 2021 - Mar 2023 • 1 yr 6 mos
Led modular architecture design using VIPER; mentored 2–3 developers. Reduced merge conflicts by 25–35% via XcodeGen and increased dev speed by 40%.
