Professional Summary
Senior iOS / Lead iOS Engineer with 10+ years of experience building and scaling production iOS applications. Proficient in Swift programming language, modern iOS frameworks, and agile methodologies. Proven experience leading technical initiatives in large commercial products (VistaCreate, VistaPrint).
I'm using AI-based development tools and implementing AI/ML features in production applications.
Languages:
- English — Upper-Intermediate (B2)
- Ukrainian — Native
Experience
iOS Developer
Hooh • 2025 - 2026
AI-powered document management iOS app where users upload documents and interact with them through real-time AI chat for analysis, summarization, and Q&A.
- Built iOS app with
Swift,UIKitandSwiftUI - Implemented real-time AI chat
- Set up subscriptions and paywalls with
RevenueCat - Implemented Auth0 OAuth 2.0 authentication and
CoreDatapersistence - Integrated analytics: PostHog (feature flags, session replay), AppsFlyer, TikTok Business SDK
- Set up Xcode Cloud CI/CD with Development, Staging, and Production targets
Lead iOS Engineer
VistaPrint + VistaCreate • 2022 - 2025
- Implemented modular architecture with
CocoaPodsmodules for feature isolation - Built A/B testing experiments via
Firebasethat improved onboarding and retention metrics - Integrated analytics:
Firebase,AppsFlyer,Iterable,Segment - Developed product page UI, design editor image capabilities (cropping, filters, color extraction)
- Increased unit test coverage with
XCTestacross core business logic modules - Built onboarding screens with pagination and paywall using
SwiftUIcomponents
Software Engineer (iOS, Swift)
Clowder • 2020 - 2022
- Customized and deployed iOS apps for 50+ organizations from a shared Core product
- Worked with MVVM + Interactor architecture across 16 internal frameworks
- Enabled/disabled product modules and configured custom fields per client
- Maintained
GitFlowdiscipline across a large multi-repo setup, resolving merge conflicts - Proposed and implemented changes to the Core product
- Managed CI/CD pipeline with
GitLab CI,Fastlane, andAppCenterdistribution
iOS Developer
CoachNow (part time) • 2020 - 2021
- Supported and extended a legacy
Objective-C+Swifthybrid codebase (~688 source files) - Rewrote legacy
Objective-Ccode toSwiftincrementally - Implemented screen recording with
ReplayKitframework - Conducted code reviews and managed TestFlight / App Store releases
iOS, iPadOS and macOS Apps Developer
App Dev Academy • 2016 - 2020
Participated in development, publication and support of 10+ iOS apps and one macOS app.
- Create apps from scratch and design apps architecture
- Create user interface with Storyboards and XIB files
- Use
UIKitand create custom UI components - Design a database architecture and use
Core Dataframework - Write code on
Swiftprogramming language - Implement networking layer - REST API
- Integrate third-party dependencies
PHP Developer
bvblogic • 2012 - 2016
I build websites on PHP programming language, using frameworks such as Laravel, Kohana, Codeigniter, Yii. Also, I used CSS3, HTML5, jQuery, and Bootstrap for the frontend. First experience of building and supporting commercial projects.
Senior Laboratory
Laboratory of distance learning at Sumy State University • 2012 - 2013
I worked on simple training apps for students on Java and an internal framework. Also convert Microsoft Word documents to HTML pages as part of my job there.
Laboratory Technician
Polytechnic College of Konotop Institute of the SSU • 2007 - 2008
At college, my job was to configure, maintain and update PCs on Windows 98 and XP. Also, I helped students to make homework done.
Skills
Core iOS
Architecture & Tooling
Monetization & Analytics
AI/ML
Programming Languages
Education
Bachelor of Computer Science
Sumy State University • 2009 - 2012
Specialization: Software Engineering
Junior Specialist
Polytechnic College of Konotop Institute of the Sumy State University • 2007 - 2008
Field: Computer Maintenance, Intelligent Systems, and Networks