Engineering • Ownership • Outcomes

Senior iOS Engineer who enables teams and ships pragmatic, high-quality systems.

I build production iOS apps end-to-end: turning ambiguous requirements into clear technical direction, balancing risk vs velocity, improving architecture, performance, and accessibility, and delivering outcomes with calm, decisive execution.

Enabler Problem Solver Outcome-Driven Ownership Pragmatic Strategic Risk-Aware Clear Communicator Cross-Functional Curious Detail-Oriented

Summary

10+ years • iOS • System thinking

Sr. iOS Engineer with 10+ years of experience designing and building high-performance, user-focused mobile applications. Expert in Swift, SwiftUI, and modern iOS architecture (MVVM, Clean Architecture, DI) with deep knowledge of concurrency, data flow, and system internals. Proven ability to lead cross-functional execution, define architecture strategies, and translate complex business needs into scalable technical solutions. Strong focus on code quality, accessibility, app responsiveness, and reducing complexity to improve developer velocity.

Core Skills

Technical breadth + pragmatic depth
Languages & Frameworks

Swift, SwiftUI, Combine, UIKit, CoreData, REST, JSON, Metal, ARKit

Architecture & Patterns

MVVM, Clean Architecture, Dependency Injection, Modularization

Tooling & Practices

Git, CI/CD, Unit Testing, Profiling, Accessibility, StoreKit, Fastlane

Additional Experience

Go, Python, Java, Objective-C, C#, MSL

Professional Experience

Impact • ownership • delivery
CVS Health — Senior iOS Developer Jul 2024 – Present
Remote, USA
  • Leading development of core features in enterprise-scale healthcare apps using SwiftUI, Combine, and modular clean architecture.
  • Defined and implemented architecture patterns improving feature delivery speed by ~30%.
  • Championed accessibility and performance improvements across major app flows.
  • Led code reviews, enforced clean-code principles, and mentored engineers.
  • Collaborated with backend, design, and product teams to align scope and technical feasibility.
  • Introduced new development tools and CI optimizations to reduce build times and improve test reliability.
Dick’s Sporting Goods — Senior iOS Engineer Jan 2022 – Jun 2024
Remote, USA
  • Delivered customer-facing features across Dick’s Sporting Goods and Golf Galaxy apps with millions of active users.
  • Improved app launch performance by ~25% through architectural refactoring and async task optimization.
  • Led modernization effort migrating UIKit-based views to SwiftUI.
  • Standardized project structure, improved dependency management, and reduced technical debt by ~40%.
  • Partnered with product and UX teams to prototype and implement intuitive, data-driven interfaces.
  • Mentored team members on concurrency, SwiftUI data flow, and reactive programming best practices.
DataArt — Senior iOS Engineer Aug 2014 – Dec 2021
Kyiv, Ukraine
  • Developed secure and high-performance iOS solutions for enterprise clients in healthcare, industrial, and fintech domains.
  • Built and maintained complex applications using Swift and Objective-C for greenfield and legacy systems.
  • Designed Bluetooth communication modules and sensor data pipelines for connected hardware.
  • Implemented encryption and data integrity systems meeting enterprise compliance standards.
  • Delivered AR/VR visualization tools for real-time data modeling and guided workflows.
  • Collaborated with cross-disciplinary teams to deliver stable, scalable mobile solutions under strict deadlines.
Independent iOS Developer — Freelance 2008 – 2014
Kyiv, Ukraine
  • Delivered full-cycle iOS solutions for clients in e-commerce, education, and entertainment.
  • Designed and built 20+ iOS apps, including games and educational tools with custom UI and multimedia.
  • Developed REST APIs, local/remote data storage, and offline-ready app architectures.
  • Owned the full lifecycle: concept → design → development → testing → deployment → support.

Education

Computer Science
Bachelor’s Degree, Computer Science
International Scientific and Technical University, Kyiv, Ukraine

Technical Highlights

What I’m known for
Performance

Advanced profiling (Instruments, Time Profiler, Memory Graph) to reduce runtime overhead and crashes.

Security

Applied encryption and App Attest principles for secure communication and data protection.

Architecture

Strong advocate for modularization and testability to ensure long-term maintainability.

Team Enablement

Raise clarity early, reduce risk, unblock delivery, and mentor engineers to scale impact.