Peter Sebestyen Krassay
Ios Developer @Morgan Stanley
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WORK HISTORY
Ios Developer @Morgan Stanley
Calgary, AB, CA
Contributing to E*TRADE iOS app, ranked #2 best mobile app among online brokers by Kiplinger- Modernizing codebase through strategic refactoring and adoption of latest iOS development practices- Enhancing testability through mock generation frameworks in modularized architecture
EDUCATION
Budapest University of Technology and Economics
Master of Science (MSc), Computer Engineering
Budapest University of Technology and Economics
Bachelor of Science (BSc), Computer Engineering
SKILLS
ABOUT PETER SEBESTYEN KRASSAY
Senior iOS Engineer with 10+ years of experience architecting and delivering high-impact mobile applications used by millions. Currently contributing to E*TRADE at Morgan Stanley, ranked #2 best mobile appamong online brokers.Previously developed and updated iOS banking apps for 14+ banks across North America, Europe, and the Middle East, achieving App Store ratings of 4.6+. Led teams of up to 10 developers and contributed to iOScommunity growth by educating 200+ students with 95% satisfaction rate.Core expertise includes SwiftUI, UIKit, Modern Swift Concurrency, and building scalable mobile architectures. Experienced in implementing contract-first development strategies and optimizing CI/CD pipelines.Ready to lead mobile technology projects and guide teams to success.
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