Сервис поиска работы №1 в Украине
Lysiuk
IOS-програміст
- Город:
- Киев
Контактная информация
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Yevhenii Lysiuk
Senior iOS Engineer · iOS Tech Lead
[открыть контакты ](см. выше в блоке «контактная информация») · [открыть контакты ](см. выше в блоке «контактная информация») · [открыть контакты ](см. выше в блоке «контактная информация») · Kyiv, Ukraine
SUMMARY
Senior iOS Engineer with 13+ years of experience building high-scale consumer products across productivity, document editing,
and file management. Proven track record of leading engineering teams, defining feature architecture, and shipping AI-powered
features to millions of users. Former iOS Team Lead with hands-on experience in hiring, mentoring, and establishing
engineering culture. Expert in Swift, UIKit, SwiftUI, and modern concurrency patterns.
WORK EXPERIENCE
iOS Developer | Readdle
Apr 2022 – Present
• Designed and shipped an AI-powered voice transcription feature using local models with speaker recognition, evaluating
and selecting the optimal on-device model for accuracy and performance.
• Led a major redesign and improvement of the user notification and assistance system, improving retention metrics.
• Architected and delivered a large-scale file management feature, coordinating cross-functional work across iOS, backend,
and design teams.
• Implemented deep Apple ecosystem integrations including App Extensions and home-screen Widgets.
• Ran and iterated on marketing subscription experiments, directly contributing to revenue growth.
• Actively participated in engineering process improvements and conducted technical interviews for iOS candidates.
iOS Team Lead / iOS Developer | XCDS International Ltd
May 2019 – Apr 2022
• Owned end-to-end architecture design for the Presentation Editor module — from initial concept through delivery.
• Defined the engineering strategy and development roadmap for the iOS team; provided initial estimates for new product
ideas.
• Built and scaled team capabilities: established a developer handbook, redesigned the onboarding and mentoring program,
and improved the hiring process.
• Conducted technical interviews, onboarded new engineers, and mentored junior-to-mid developers.
• Delivered rich document content rendering, advanced UI editors, and cloud service integrations (Google Drive, Dropbox,
OneDrive).
• Improved team delivery processes, introduced code review standards, and coordinated cross-platform feature work.
iOS Developer | Confidential (NDA)
Oct 2018 – May 2019
• Implemented phone-number based sign-in flow and improved location-based features.
• Built rich UI components and integrated third-party advertising SDKs.
• Focused on fast feature delivery and product stability under tight release cycles.
iOS Developer | XCDS International Ltd
Apr 2015 – Oct 2018
• Built the core file manager, document viewer, and rich-text editing tools from scratch.
• Developed cloud service integrations and improved the network communication layer.
• Designed feature-level architecture, wrote unit and UI tests, and integrated third-party frameworks.
Mac / iOS Developer | Software MacKiev
Aug 2011 – Apr 2015
• Contributed to 8 products spanning Mac and iOS, including greenfield projects built from scratch.
• Implemented cross-platform features, MDM integration, custom UI components, and network communication layers.
• Delivered unit tests, bug fixes, and third-party framework integrations across multiple product lines.
TECHNICAL SKILLS
Languages: Swift (expert), Objective-C (expert), C / C++ (basic)
Frameworks: UIKit, SwiftUI, Foundation, CoreGraphics, AVFoundation
Multi-threading: Swift Concurrency, Combine, GCD, NSOperation, NSThread
Architecture: MVC, MVVM, VIPER, Clean Architecture (VIP), Redux
Testing: XCTest (unit & UI), TDD, code review
Tooling: Xcode, Instruments, Claude Code, Cursor, CocoaPods, Swift Package Manager, Git (GitHub / GitLab), JIRA, Jenkins,
Figma
Networking: REST API design & integration
LEADERSHIP & PROCESS
• Engineering team leadership: goal-setting, sprint planning, performance reviews.
• Hiring: designed and ran the full interview loop for iOS roles; conducted 50+ technical interviews across XCDS and Readdle.
• Mentoring: built onboarding programs and mentored junior-to-senior engineers across multiple companies.
• Cross-functional collaboration: worked closely with product, design, and backend teams to scope and deliver complex
features.
LANGUAGES
• Ukrainian — Native
• English — B2 (Upper-Intermediate)
EDUCATION
Master's Degree — Information Security in Computer Systems and Networks
NTUU "KPI" (Kyiv Polytechnic Institute) · 2011
Senior iOS Engineer · iOS Tech Lead
[
SUMMARY
Senior iOS Engineer with 13+ years of experience building high-scale consumer products across productivity, document editing,
and file management. Proven track record of leading engineering teams, defining feature architecture, and shipping AI-powered
features to millions of users. Former iOS Team Lead with hands-on experience in hiring, mentoring, and establishing
engineering culture. Expert in Swift, UIKit, SwiftUI, and modern concurrency patterns.
WORK EXPERIENCE
iOS Developer | Readdle
Apr 2022 – Present
• Designed and shipped an AI-powered voice transcription feature using local models with speaker recognition, evaluating
and selecting the optimal on-device model for accuracy and performance.
• Led a major redesign and improvement of the user notification and assistance system, improving retention metrics.
• Architected and delivered a large-scale file management feature, coordinating cross-functional work across iOS, backend,
and design teams.
• Implemented deep Apple ecosystem integrations including App Extensions and home-screen Widgets.
• Ran and iterated on marketing subscription experiments, directly contributing to revenue growth.
• Actively participated in engineering process improvements and conducted technical interviews for iOS candidates.
iOS Team Lead / iOS Developer | XCDS International Ltd
May 2019 – Apr 2022
• Owned end-to-end architecture design for the Presentation Editor module — from initial concept through delivery.
• Defined the engineering strategy and development roadmap for the iOS team; provided initial estimates for new product
ideas.
• Built and scaled team capabilities: established a developer handbook, redesigned the onboarding and mentoring program,
and improved the hiring process.
• Conducted technical interviews, onboarded new engineers, and mentored junior-to-mid developers.
• Delivered rich document content rendering, advanced UI editors, and cloud service integrations (Google Drive, Dropbox,
OneDrive).
• Improved team delivery processes, introduced code review standards, and coordinated cross-platform feature work.
iOS Developer | Confidential (NDA)
Oct 2018 – May 2019
• Implemented phone-number based sign-in flow and improved location-based features.
• Built rich UI components and integrated third-party advertising SDKs.
• Focused on fast feature delivery and product stability under tight release cycles.
iOS Developer | XCDS International Ltd
Apr 2015 – Oct 2018
• Built the core file manager, document viewer, and rich-text editing tools from scratch.
• Developed cloud service integrations and improved the network communication layer.
• Designed feature-level architecture, wrote unit and UI tests, and integrated third-party frameworks.
Mac / iOS Developer | Software MacKiev
Aug 2011 – Apr 2015
• Contributed to 8 products spanning Mac and iOS, including greenfield projects built from scratch.
• Implemented cross-platform features, MDM integration, custom UI components, and network communication layers.
• Delivered unit tests, bug fixes, and third-party framework integrations across multiple product lines.
TECHNICAL SKILLS
Languages: Swift (expert), Objective-C (expert), C / C++ (basic)
Frameworks: UIKit, SwiftUI, Foundation, CoreGraphics, AVFoundation
Multi-threading: Swift Concurrency, Combine, GCD, NSOperation, NSThread
Architecture: MVC, MVVM, VIPER, Clean Architecture (VIP), Redux
Testing: XCTest (unit & UI), TDD, code review
Tooling: Xcode, Instruments, Claude Code, Cursor, CocoaPods, Swift Package Manager, Git (GitHub / GitLab), JIRA, Jenkins,
Figma
Networking: REST API design & integration
LEADERSHIP & PROCESS
• Engineering team leadership: goal-setting, sprint planning, performance reviews.
• Hiring: designed and ran the full interview loop for iOS roles; conducted 50+ technical interviews across XCDS and Readdle.
• Mentoring: built onboarding programs and mentored junior-to-senior engineers across multiple companies.
• Cross-functional collaboration: worked closely with product, design, and backend teams to scope and deliver complex
features.
LANGUAGES
• Ukrainian — Native
• English — B2 (Upper-Intermediate)
EDUCATION
Master's Degree — Information Security in Computer Systems and Networks
NTUU "KPI" (Kyiv Polytechnic Institute) · 2011
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