Derek Miles

S

iOS Engineer at Mosaic Finance · IOS apps · Combine, XCTest

Mosaic Finance
Toronto, ON · ET (UTC-5)
1+ years experience
McMaster University
English, Arabic
Messaging unavailable

Overview

1 years in software engineering, the last 1 at Mosaic Finance, where I work on the iOS team. Built the experimentation framework 28 product teams use to ship changes safely.

Good reasons to reach out
  • Questions about iOS apps
  • Second opinions on XCTest decisions
Please don't message about
  • Crypto token projects
  • SEO and link-building offers
  • Recruiters for roles outside my stack

Travels often; replies within 48 hours

Skills
SwiftUICore DataCombineXCTestUIKitSwift

Experience

  1. iOS Engineer
    Oct 2025 - Present
    Mosaic Finance · 1 yr · Full-time · Toronto, ON
    • Shipped a rewrite that took build times from 18 minutes to under 3.
    • Shipped 17 launches on the iOS team without a rollback.

Projects

Conference talk: lessons from iOS
2026

What went wrong and what worked while scaling iOS apps.

References

No references yet.

Education

  1. McMaster University
    BEng, Electrical Engineering
    2021 - 2025

Details

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