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Software Development Engineer - App Performance, Mobile App Foundations

Seattle, Washington, United StatesFull-time$143,700–$194,4002026-10-02 → 2026-10-12

Core

Design, implement, and support robust solutions to optimize app startup, latency, and runtime performance for Amazon's mobile shopping apps on Android and iOS.

Role type

Senior IC mobile app performance engineer

Builds

Systems and tooling for performance measurement, optimization, and AI-assisted anomaly detection (via careerplan.io/jobs/10568048-software-development-engineer-app-performance-mobile-app-foundations-at-amazon)

Domain

Mobile e-commerce, Android/iOS performance engineering

Deliverable

production ML models

Required skills

Java, C++, C#, object-oriented design, system architecture, performance profiling, AI/ML for anomaly detection

Preferred skills

Full SDLC experience, Android development, Apple platform development, complex system delivery

Technologies

Java, C++, C#, Android, iOS

Responsibilities

Profile and optimize critical customer code paths, build automated regression detection systems, partner with teams to remove performance bottlenecks, develop AI-assisted development tools

Seniority

Senior, hands-on IC