Sabri Umut Sönmez
I’m Sabri! Welcome to my website. I’m a software engineer with a strong foundation in mobile development, focused on building secure, performant, and maintainable applications. This website serves as both my e-portfolio and a platform for self-expression.
At a Glance
2
App Store Apps
5+
Production Teams
3.9
GPA, Summa Cum Laude
Where I’ve Shipped
- Remediated DAST-identified vulnerabilities to strengthen mobile security posture and improve audit readiness in regulated fintech environments
- Improved CI reliability by optimizing build scripts and contributing to feature flag integration for safer, controlled production releases
- Delivered iOS widgets and high-impact features for flagship app serving millions
- Migrated legacy async workflows to Swift Concurrency, reducing technical debt
- Modernized notification infrastructure to improve reliability across critical flows
- Led UI overhaul of rider-facing app, increasing App Store rating from 3.5 to 4.8
- Designed and shipped scalable features in Swift and Objective-C for enterprise mobility platform
- Implemented TDD (XCTest, XCUITest) and migrated legacy components to Swift
- Built automated testing pipeline (Jenkins, TestCafe) and modernized JS tooling to improve release stability
- Delivered login fixes, built UI components/pages, and wrote unit tests
- Improved analytics for debugging and support through FullStory integration
Tech I Use Most
Languages
Swift
JavaScript (ES6)
Objective-C
Java
Frameworks
SwiftUI
React Native
Swift Charts
Combine
XCTest
XCUITest
Tools & Platforms
Xcode
CloudKit
MapKit
SiriKit
Jenkins
DataDog
Core
Mobile Architecture
Swift Concurrency
TDD
UI/UX Design
Code Modernization
Education
Summa Cum Laude · 3.9 GPA