Location
Sunnyvale
Posted
June 01, 2026
Commute
Local Area
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Job Description
**Position Summary...**
**What you'll do...**
What you'll do...
The Mobile Performance Engineering team is responsible for building observability tools that give engineers deep, actionable insight into the runtime behavior of Walmart's consumer-facing mobile applications. MappWhiz is our in-house mobile profiling library — an instrumentation engine that integrates directly into automated test pipelines to continuously monitor CPU consumption, memory pressure, battery drain, call stacks, and UI jank across real and cloud-hosted Android and iOS devices. Our mission is to give every mobile engineer at Walmart the ability to detect and eliminate regressions before they reach customers at scale, and to push that mission further with intelligent, AI-driven performance analysis.
About Team:
Our team operates at the intersection of performance engineering, test infrastructure, and mobile platform development. We own and evolve MappWhiz end-to-end — from low-level dev...
**What you'll do...**
What you'll do...
The Mobile Performance Engineering team is responsible for building observability tools that give engineers deep, actionable insight into the runtime behavior of Walmart's consumer-facing mobile applications. MappWhiz is our in-house mobile profiling library — an instrumentation engine that integrates directly into automated test pipelines to continuously monitor CPU consumption, memory pressure, battery drain, call stacks, and UI jank across real and cloud-hosted Android and iOS devices. Our mission is to give every mobile engineer at Walmart the ability to detect and eliminate regressions before they reach customers at scale, and to push that mission further with intelligent, AI-driven performance analysis.
About Team:
Our team operates at the intersection of performance engineering, test infrastructure, and mobile platform development. We own and evolve MappWhiz end-to-end — from low-level dev...