Experience

3+ years building mobile applications for companies across the US, UK, and Europe.

  • Upwork

    Freelance iOS Developer

    Aug 2025 - PresentRemote
    • Designed, built, and shipped 8 iOS apps using SwiftUI, collectively reaching 15K+ users and generating $60K+ in revenue.
    • Drove MRR growth through RevenueCat integration and A/B-tested paywall strategies in close collaboration with product and marketing teams.
    • Collaborated with clients across the full product lifecycle — from concept and UI/UX design to App Store deployment and post-launch optimization.
    • Applied modern architectures (MVVM, Combine, Swift Concurrency) and integrated third-party APIs and Apple frameworks to deliver scalable, feature-rich products.
    • Owned end-to-end development including UI/UX design, implementation, testing, and iterative improvements based on user feedback and analytics.
  • Nov 2025 - Jan 2026Newcastle, UK
    • Built comprehensive tax navigation platform serving digital nomads and expats across 150+ countries, connecting remote workers with verified international tax professionals through native iOS experience.
    • Built CSV/XLSX parsing pipeline feeding Firebase backend with country-specific tax data (rates, residency rules, treaties), enabling content updates without app deployments.
    • Delivered SwiftUI architecture with offline-first design, ensuring tax guide accessibility regardless of internet connectivity.
  • Focus Energy

    Intern iOS Developer

    July 2025 - Aug 2025Ankara, TR
    • Architected and developed FocusPower, a SwiftUI-based iOS application for monitoring and visualizing renewable energy production across solar and wind power plants in Turkey.
    • Delivered real-time operational insights for energy management teams by transforming raw production data into actionable dashboards and performance analytics.
    • Implemented interactive charts with SwiftCharts to visualize daily and hourly energy data.
    • Built map-based plant view using MapKit, showing power plants and maintenance status.
    • Implemented optimized data parsing and state management, reducing chart rendering time by ~40% and improving screen load responsiveness across older devices.
  • Inovasyon Muhendislik

    Intern iOS Developer

    July 2023 - Aug 2023Eskisehir, TR
    • Developed a native macOS productivity app with SwiftUI, SwiftCharts, Core Data, Combine.
    • Built core features: focus mode with app blocking, project management, analytics dashboard.
    • Identified, resolved critical memory leak in app discovery system, reducing memory usage by 97.7%, 3.5 GB to 80MB.
    • Applied async/await patterns with proper error handling and cache invalidation strategies for better background performance.