Senior iOS Engineer — Own Real-Time Live Video & Alerts

Citizen; New York (NY); On-site; USD 200,000 - 260,000; Full time

Job summary

Citizen is seeking an iOS engineer to own critical parts of the safety app used by millions in the U.S. You will work on live video, real-time alerts, and a fast map, shipping features with a small cross-functional team.

You will build with Swift, The Composable Architecture, and an agent-driven workflow. The role requires in-office work in New York, with a focus on reliability and user safety.

Qualifications

• You have shipped and owned a consumer iOS app used by millions.
• You are deep in Swift and the Apple platform, with concurrency and networking.
• You have run a release: CI, beta distribution, phased rollout, crash triage, hotfixes.
• You have worked on real-time or live media and know latency impacts.
• You build with AI and use agents to improve workflows.

Responsibilities

• Own a real piece of the core product and drive features end-to-end.
• Build live video, real-time alerts, and a fast map with thousands of incidents.
• Own instrumentation and metrics to measure impact and reliability.
• Collaborate with Design, Product, Data, and Mission Control daily.
• Lead weekly release cycles and contribute to agent loops.

Skills

Swift

iOS

Real-time systems

Release engineering

Tools

SPM

The Composable Architecture

CI/CD

Job description

Citizen is seeking an iOS engineer to own critical parts of the safety app used by millions in the U.S. You will work on live video, real-time alerts, and a fast map, shipping features with a small cross-functional team.

You will build with Swift, The Composable Architecture, and an agent-driven workflow. The role requires in-office work in New York, with a focus on reliability and user safety.