Android Performance Lead - App Optimization & Profiling

Quantum Technologies LLC; Cupertino (CA); On-site; USD 83,000 - 124,000; Full time

Job summary

Quantum Technologies. LLC is seeking a Senior Android Performance Engineer in Cupertino, CA to ensure a smooth, responsive app experience by identifying and removing performance bottlenecks.

You will lead profiling across UI, rendering, and frameworks, define key KPIs for memory, energy, and thermal, and build automated performance tests for CI/CD. Collaboration with cross-functional teams is essential.

Qualifications

• BS in Computer Science or equivalent.
• 5+ years in Android performance engineering.
• Expertise in Java/Kotlin for Android.
• Deep understanding of Android OS architecture and pitfalls.
• Proficient with profiling tools: Profiler, Perfego, systrace, dumpsys, ADB, Battery Historian.
• Ability to diagnose and resolve complex performance issues.
• Strong Android UI optimization skills: view hierarchies, RecyclerView, animations, overdraw.
• Experience with performance testing frameworks (macro benchmarks, Microbenchmark, Espresso).

Responsibilities

• Ensure flagship Android app delivers smooth, responsive UX.
• Optimize complex app (UI, rendering, frameworks) and fix bottlenecks.
• Lead Android performance profiling across UI, rendering, and app frameworks.
• Define and report Android performance KPIs (memory, energy, power, thermal).
• Develop and integrate performance monitoring tools and automated frameworks.
• Implement and maintain specialized performance tests for CI/CD.
• Act as Android performance SME guiding teams and reviewing architecture.
• Perform in-depth data analysis and develop custom analysis tools.

Job description

Quantum Technologies. LLC is seeking a Senior Android Performance Engineer in Cupertino, CA to ensure a smooth, responsive app experience by identifying and removing performance bottlenecks.

You will lead profiling across UI, rendering, and frameworks, define key KPIs for memory, energy, and thermal, and build automated performance tests for CI/CD. Collaboration with cross-functional teams is essential.