Citizen
Senior iOS Engineer
$200K–$260K
New York City · On-site · Senior · Full-time · Posted Sep 24, 2026
About the job
Own and ship core features of Citizen’s iOS safety app, including real-time alerts, maps, live video, paid experiences, and operator tools, while improving app reliability and using AI agents in development.
What you'll do
- Build and own iOS product features, with responsibility for performance, reliability, instrumentation, and release quality.
- Use and extend AI-agent workflows to draft, review, test, and instrument code; determine where agents can operate independently.
- Drive initiatives and participate in the weekly Release Captain rotation, including releases, crash triage, and high-priority fixes.
What they ask for
- Have shipped and owned a consumer iOS app used by millions, and be able to identify personal contributions.
- Deep Swift and Apple-platform experience, including concurrency, networking, background execution, location, push, camera, and video.
- Experience with The Composable Architecture or comparable unidirectional architecture at scale, a modular SPM codebase, and running releases.
- Experience with real-time or live media, and active use of AI agents in software development.
Pay
$200,000–$260,000 USD base salary per year
Tools
Swift 6, The Composable Architecture (TCA), Swift Package Manager, CI
AI focus
Use and extend agents to write, review, test, and instrument iOS code, and propose workflows that can run without a human.
Model-written summary · the original posting is authoritative