• Led the end-to-end iOS development of a warehouse management app (Swift, UIKit, SwiftUI), translating cross-functional requirements into optimized data capture workflows that reduced manual work by 50%
• Engineered core features for a highly concurrent live betting app (SwiftUI, MVVM) alongside a 10-person team, enforcing robust memory management for real-time data streams and ensuring high reliability via comprehensive XCTest and Swift Testing coverage

• Led end-to-end design of real-time iOS features (WebSockets, Stripe) for 200K+ users, utilizing MVVM and strict memory management for leak-free streaming
• Owned a macOS app from proposal to postmortem, resolving vague operational bottlenecks and cutting support times by 75%
• Identified release bottlenecks and joined backend team (Node.js, SQL) to re-architect pipelines, speeding up release cycles and improving developer experience

• Faced with fragmented smart home integrations, engineered an iOS app (Swift, Obj-C) supporting 25+ ecosystems and 1M+ devices, ensuring smooth cross-platform control
• Designed secure, complex data structures to process 1.2B+ monthly events locally, prioritizing user privacy and performant execution

• To boost retention, developed engagement features for a social app (Swift, Obj-C) modeled after Instagram, increasing daily active use
• Partnered with ML engineers to ship a machine-learning notes app (Swift), delivering smart suggestions and auto-organization that elevated UX

Built and launched a sneaker marketplace app from scratch, owning product design and development end-to-end, and enabling a new resale channel for the Romanian market.

• How to design systems like an architect with clean layers for networking, persistence, UI/UX, and composition.
• Best practices for networking using URLSession, URLProtocol, Decodable, and third-party tools, collaborating effectively with backend teams.
• Clean persistence strategies with CoreData, FileManager, Codable, etc.
• Modularizing apps, dependency injection, reusable components, automated tests, and leveraging frameworks like Combine for scalable development

• Successfully completed Accessibility Fundamentals