Senior Android Performance Engineer - Profiling & Tuning

Ethereum Technologies; Cupertino (CA); On-site; USD 77,000 - 110,000; Full time

Job summary

Ethereum Technologies is seeking a Senior Android Performance Engineer in Cupertino, CA to ensure our flagship Android application delivers a smooth, responsive, and resource-efficient user experience. You will optimize the app’s UI, rendering, and frameworks while identifying bottlenecks and implementing robust performance tests.

You will lead profiling across memory, energy, power, and thermal metrics; develop custom analysis tools; mentor teams; and contribute to a fast-paced, deadline-driven

Qualifications

• BS in Computer Science or equivalent.
• 5+ years in Android performance engineering.
• Expert Java/Kotlin for Android.
• Deep understanding of Android OS architecture & performance pitfalls.
• Proven ability to diagnose and resolve complex performance issues.
• Expert proficiency with Android profiling tools (Profiler, Perfego, systrace, dumpsys, ADB, Battery Historian)
• Adept at measuring and interpreting memory, energy, power, and thermal metrics.
• Strong Android UI optimization skills (View hierarchies, Recycler View, animations).
• Strong understanding of mobile system architecture (CPU/GPU, memory, power management).
• Experience with performance testing frameworks (Android macro benchmark, Microbenchmark, Espresso).
• Effective communication of intricate performance analysis to diverse stakeholders.
• Proven ability to collaborate effectively with a diverse team and thrive in fast-paced, deadline driven environments.

Responsibilities

• Lead Android performance profiling (Jank, ANRs, memory, thermal) across UI, rendering, and app frameworks.
• Optimize & fix Android UI, rendering, and system performance issues.
• Define, track, and report accurate Android performance KPIs (memory, energy, power, thermal).
• Develop, maintain, and integrate performance monitoring tools & automated frameworks .
• Implement & maintain specialized performance tests (unit, integration, end-to-end) for CI/CD.
• Act as Android performance SME, guiding teams, reviewing architecture, and staying current.
• Perform in-depth data analysis, utilizing and developing custom analysis tools for actionable insights.

Skills

Android profiling tools

Java/Kotlin

Android OS architecture

Performance issue diagnosis

Memory analysis

Energy/Pow er metrics

UI optimization (RecyclerView)

Communication with stakeholders

Team collaboration

Education

BS in CS or equivalent

Tools

Profiler

Perfego

systrace

dumpsys

ADB

Battery Historian

Job description

Ethereum Technologies is seeking a Senior Android Performance Engineer in Cupertino, CA to ensure our flagship Android application delivers a smooth, responsive, and resource-efficient user experience. You will optimize the app’s UI, rendering, and frameworks while identifying bottlenecks and implementing robust performance tests.

You will lead profiling across memory, energy, power, and thermal metrics; develop custom analysis tools; mentor teams; and contribute to a fast-paced, deadline-driven