Sam Lee

S

Senior iOS Engineer at ServiceNow | ex-Visa

ServiceNow
Chicago, IL · CT (UTC-6)
9+ years experience
Parsons School of Design
English, French
Collaborating
Messaging unavailable

Overview

9 years in software engineering, the last 2 at ServiceNow, where I work on the iOS team. Built the experimentation framework 34 product teams use to ship changes safely. Coffee nerd.

Good reasons to reach out
  • Collaborators for my side project
  • Speaking or podcast invitations
Please don't message about
  • Agency or outsourcing pitches
  • Requests to fix your code for free
Skills
Core DataXCTestSwiftUICombineUIKitSwift
CollaboratingLooking to collaborate
closes in 3 months

Looking for collaborators on an open-source Core Data toolkit

Project
An open-source Core Data toolkit
Skills needed
Data, Combine
Time commitment
A few hours a week
Outcome
Open-source release

Will credit everyone who contributes. Async-first.

Chicago, ILswiftswiftuicombine
Open

Experience

  1. Senior iOS Engineer
    Jun 2024 - Present
    ServiceNow · 2 yr 4 mo · Full-time · Chicago, IL
    • Shipped a rewrite that took build times from 22 minutes to under 4.
    • Rebuilt onboarding in SwiftUI and lifted day-one retention 11%.
    • Built the experimentation framework 34 product teams use to ship changes safely.
  2. iOS Engineer
    Oct 2020 - Jun 2024
    Visa · 3 yr 8 mo · Full-time · Chicago, IL
    • Shipped 8 launches on the iOS team without a rollback.
    • Brought on-call pages for iOS down from 21 a week to 4.
  3. iOS Engineer
    Mar 2019 - Oct 2020
    UnitedHealth Group · 1 yr 7 mo · Full-time · Chicago, IL
    • Cut p99 latency on the iOS services from 512ms to 49ms.
  4. iOS Engineer
    Oct 2017 - Mar 2019
    General Motors · 1 yr 5 mo · Full-time · Chicago, IL
    • Shipped a rewrite that took build times from 44 minutes to under 2.
    • Took crash-free sessions from 98.2% to 99.7%.

References

No references yet.

Education

  1. Parsons School of Design
    BFA, Electronics and Communication
    2013 - 2017

Details

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