Senior Staff Mobile Product Engineer

About the role

Radar is looking for senior‑level product engineers to build and evolve its mobile SDKs that power location services for millions of devices worldwide. You will work on core Android and iOS infrastructure as well as cross‑platform wrappers.

Key responsibilities

• Develop and maintain the Android (Kotlin) and iOS (Objective‑C, Swift) SDKs and their React Native, Flutter and Capacitor wrappers.
• Debug and QA the SDK in real‑world environments, embodying the “Walk a mile” value.
• Interact with customers and prospects to gather feedback, incorporate it into the product, and ensure successful deployments.
• Push the limits of location services, handling background execution, geofencing, beacon monitoring and indoor positioning.

Required profile

• Proven experience building mobile infrastructure at scale.
• Comfort working across Android and iOS stacks rather than identifying as only an iOS or Android engineer.
• Interest in direct customer interaction and translating feedback into product improvements.
• Strong curiosity and persistence when tackling hard technical problems.

Required skills

• Kotlin
• Objective‑C
• Swift
• React Native
• Flutter
• Capacitor
• Android SDK / iOS SDK
• FusedLocationProvider, GeofencingClient, Beacon monitoring
• Background location handling (Doze mode, Wake Locks, Execution Limits, App Standby Buckets, Foreground Services)

What we offer

• Competitive salary and meaningful stock options
• 401(k) plan with 4% match
• New HQ in Flatiron, NYC with top‑notch equipment and catered lunches
• Unlimited PTO, health/dental/vision insurance (100% coverage for employees)
• 12 weeks paid parental leave, commuter and fitness benefits