Experience

A summary of my professional journey building Apple platform applications.

Senior iOS Engineer

Jan 2023 — Present
TechCorp · San Francisco, CA (Remote)

Leading iOS development for the flagship consumer app serving 2M+ users. Driving the migration from UIKit to SwiftUI and establishing architecture patterns for the mobile team.

  • - Architected and shipped a full SwiftUI rewrite of the home feed, improving scroll performance by 40%
  • - Introduced modular architecture using Swift packages, reducing build times by 35%
  • - Mentored 3 junior engineers through code reviews, pair programming, and weekly 1:1s
  • - Implemented CI/CD pipeline with Fastlane and GitHub Actions for automated releases

iOS Engineer

Mar 2021 — Dec 2022
AppStudio · London, UK

Built and maintained multiple client-facing iOS applications across fintech and health verticals. Worked closely with designers and product managers in an agile team of 8.

  • - Developed a fintech app from scratch using SwiftUI, Combine, and Clean Architecture
  • - Integrated HealthKit for a wellness tracking feature used by 50K+ daily active users
  • - Reduced crash rate from 2.1% to 0.3% through systematic debugging and monitoring with Sentry
  • - Led the adoption of Swift Concurrency (async/await) across the codebase

Junior iOS Developer

Jun 2019 — Feb 2021
StartupXYZ · Lagos, Nigeria

First professional iOS role. Built features for a social networking app and learned production-grade development practices in a fast-paced startup environment.

  • - Implemented real-time messaging using WebSockets and Core Data for offline persistence
  • - Built custom UI components with UIKit including an infinite scroll feed and image gallery
  • - Wrote unit and UI tests achieving 70% code coverage across the feature modules
  • - Contributed to the company's open-source Swift networking library

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