Lead Mobile Engineer, Performance

Skills

About the Role

Own mobile performance across iOS and Android by defining architecture, standards, tooling, measurable targets, optimization strategies, and observability systems for a high-traffic mobile platform.

Requirements

• Deep experience in mobile performance engineering at significant scale across iOS, Android, or both.
• Expertise in rendering, memory management, network optimization, background processing, and app startup.
• Proficiency in Swift and/or Kotlin.
• Understanding of mobile runtimes, rendering systems, and operating system scheduling.
• Experience with real user monitoring, frame rate profiling, and observability systems.
• Measurement-driven performance profiling and instrumentation experience.
• Technical leadership experience setting direction and influencing engineering teams.
• Familiarity with real-time data applications, live market feeds, or mobile trading products.
• Background in fintech or data-intensive consumer mobile products.

Responsibilities

• Own startup time, rendering performance, and runtime efficiency across the mobile platform.
• Define architecture, standards, and tooling for mobile performance.
• Optimize app startup, screen transitions, real-time data rendering, and network request handling across iOS and Android.
• Design data fetching, caching, and synchronization architectures.
• Build real user monitoring, crash reporting, frame rate tracking, and synthetic testing systems.
• Establish performance benchmarks, budgets, and standards across mobile engineering.

Benefits

• Competitive salary and equity
• Unlimited PTO
• Health coverage
• Vision coverage
• Dental coverage
• 401k match
• New MacBook Pro
• Display
• Accessories