Raman Karpiyevich Email & Phone Number

• Conducted a global refactoring, which increased the crash-free rate to 99.5% and accelerated new features development by 2x.• Implemented real-time back-end communication based on Websockets, which resulted in a 2% increase in processed orders.• Brought automation to release processes. Added Fastlane and Jenkins which reduces build delivering time from 20 to 5 minutes.

• Revamped the main app screen in the style of a marketplace showcase. This is a fully backend-driven UI solution, which allowed to apply hypotheses with zero time to market and, in total, boosted sales by 20%.• Worked within a scrum team to develop solutions improving time-to-market metrics. As a result, a 20% improvement was achieved by applying story point estimation using the Fibonacci and scrum poker methods.• Migrated to a modular architecture using Swift Package Manager, which resulted in a 4x faster compilation time.• Together with the backend and design teams, we implemented core modules and a design system. This resulted in a 15% increase in components reusability across applications.• Implemented a unified MVVM-based interface for components, leading to a 30% reduction in onboarding time.