Senior Android Performance Engineer: UI, Rendering & Power

Valiant Technologies LLC; Cupertino (CA); On-site; USD 84,000 - 114,000; Full time

Job summary

Valiant Technologies LLC in Cupertino, CA, seeks a Senior Android Performance Engineer to ensure a smooth, responsive Android experience by profiling and optimizing rendering, UI hierarchies, and system interactions. You will own performance analysis, define KPIs, and drive improvements across the app stack.

Responsibilities include leading profiling efforts, developing monitoring tools, and integrating automated performance tests for CI/CD.

Qualifications

• BS in Computer Science or equivalent required.
• 5+ years in Android performance engineering preferred.
• Expert proficiency with Android profiling tools (Profiler, Perfetto, systrace, dumpsys, ADB, Battery Historian).
• Strong knowledge of Android OS architecture and performance pitfalls.
• Experience with memory, energy, power, and thermal metrics.

Responsibilities

• Lead Android performance profiling (Jank, ANRs, memory, thermal) across UI, rendering, and app frameworks.
• Identify, diagnose, and resolve performance bottlenecks in a complex Android app.
• Define, track, and report accurate Android performance KPIs (memory, energy, power, thermal).
• Develop, maintain, and integrate performance monitoring tools and automated frameworks.
• Implement and maintain specialized performance tests (unit, integration, end-to-end) for CI/CD.
• Collaborate with diverse teams and guide architecture reviews as Android performance SME.
• Perform in-depth data analysis and develop custom analysis tools for actionable insights.

Skills

Android performance engineering

Android profiling

Memory and power optimization

Cross-functional collaboration

Stakeholder communication

Education

BS in Computer Science or equivalent

Tools

Profiler

Perfetto/Perfego

Systrace

dumpsys

ADB

Battery Historian

Job description

Valiant Technologies LLC in Cupertino, CA, seeks a Senior Android Performance Engineer to ensure a smooth, responsive Android experience by profiling and optimizing rendering, UI hierarchies, and system interactions. You will own performance analysis, define KPIs, and drive improvements across the app stack.

Responsibilities include leading profiling efforts, developing monitoring tools, and integrating automated performance tests for CI/CD.