Tom Evans
tom.evans@example.com+44 20 7946 0175linkedin.com/in/tomevansgithub.com/tomevans
Summary
Mobile engineer with 7 years building iOS, Android, and React Native applications for fintech and consumer products.
Experienced in Swift, Kotlin, mobile architecture, offline-first state, performance profiling, crash reduction, and release operations.
Experience
Senior Mobile Engineer
PennyBank | London, UK | January 2022 - Present
- Lead mobile architecture for banking apps used by 850k monthly active customers on iOS and Android.
- Built biometric authentication and device binding flows that reduced account-takeover support cases by 29%.
- Improved crash-free sessions from 99.2% to 99.86% through memory profiling and safer background sync.
- Reduced app start time by 38% by optimising dependency initialisation, image loading, and local database reads.
- Coordinate App Store and Play Store releases with QA, security, compliance, and customer support teams.
Mobile Engineer
FitTrack | Bristol, UK | May 2018 - December 2021
- Developed React Native activity, subscription, and onboarding flows for 1.4M registered users.
- Integrated HealthKit, Google Fit, push notifications, and in-app purchases across iOS and Android.
- Shipped offline activity sync that reduced lost workout reports by 61%.
- Built Detox and XCTest coverage for critical flows, lowering release regression defects by 33%.
iOS Developer
LocalPay | Liverpool, UK | September 2015 - April 2018
- Built Swift screens for wallet top-up, transaction history, and merchant search.
- Implemented Core Data caching that made transaction history available offline for 92% of sessions.
- Reduced payment confirmation latency by 24% through API batching and UI state cleanup.
- Supported 28 App Store releases with release notes, crash triage, and phased rollout monitoring.
Skills
Languages
Swift, Kotlin, TypeScript, Java
Mobile
iOS, Android, React Native, SwiftUI, Jetpack Compose
Testing
XCTest, Espresso, Detox, Firebase Test Lab
Tools
Xcode, Android Studio, Firebase, Sentry, Fastlane
Education
- BSc Computer Science, University of Manchester
- AWS Certified Cloud Practitioner