Senior Android Performance Engineer — Drive App Responsiveness

Ethereum Technologies LLC; Cupertino (CA); On-site; USD 82,000 - 117,000; Full time

Job summary

Ethereum Technologies in Cupertino, CA, is seeking a Senior Android Performance Engineer to ensure our flagship Android app delivers a smooth, responsive user experience.

You will lead profiling, diagnose bottlenecks, and implement robust performance improvements across UI, rendering, and system code, while defining KPIs and contributing to CI/CD with automated tests. The role requires strong collaboration in a fast-paced environment.

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 & performance pitfalls.
• Expert proficiency with Android profiling tools (Profiler, Perfego, systrace, dumpsys, ADB, Battery Historian).
• Proven ability to diagnose and resolve complex performance issues.
• Adept at measuring and interpreting memory, energy, power, and thermal metrics.
• Strong Android UI optimization skills (View hierarchies, Recycler View, animations, overdraw).
• Strong understanding of mobile system architecture (CPU/GPU, memory, power management).
• Experience with performance testing frameworks (e.g., 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 environment

Responsibilities

• We're looking for a Senior Android Performance Engineer to ensure our flagship Android application delivers a smooth, responsive, and resource-efficient user experience.
• You will optimize our complex app (UI, rendering, frameworks) by identifying, diagnosing, resolving performance bottlenecks.
• 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

Java/Kotlin for Android

Android performance engineering

Android UI optimization

Memory, energy, power, thermal metrics

Android architecture

Performance profiling

Cross-functional collaboration

Data analysis for performance

Education

B.S. in Computer Science or equivalent

Tools

Profiler

Perfego

systrace

dumpsys

ADB

Battery Historian

Job description

Ethereum Technologies in Cupertino, CA, is seeking a Senior Android Performance Engineer to ensure our flagship Android app delivers a smooth, responsive user experience.

You will lead profiling, diagnose bottlenecks, and implement robust performance improvements across UI, rendering, and system code, while defining KPIs and contributing to CI/CD with automated tests. The role requires strong collaboration in a fast-paced environment.