CareerPlan

Software Development Engineer III, Efficiency & Performance, Alloy, Region Flex Efficiency

Sunnyvale, California, United StatesFull-time$193k–$262k2026-11-02 → 2026-11-10
Based in United States

Core

Design and build mechanisms to measure, analyze, and automate performance improvements in large-scale distributed systems to drive company-wide efficiency goals and cost savings.

Role type

Senior Software Development Engineer (Efficiency & Performance)

Builds

Highly available components, profiling tools, and automated performance improvement mechanisms for Amazon's internal services.

Domain

Cloud infrastructure, distributed systems, system performance, GPU efficiency

Deliverable

production ML models

Required skills

Distributed systems design, performance profiling, system architecture, scalable system design, root cause analysis, mentoring, generative AI integration

Preferred skills

Full SDLC experience, memory management, parallel computing principles

Technologies

AWS, generative AI tools

Responsibilities

Design and implement software solutions across the full development lifecycle; Collaborate with service teams to identify inefficiencies and implement solutions; Design metrics to measure performance and cost efficiency; Mentor and coach fellow engineers through code reviews and knowledge sharing.

Seniority

Senior, hands-on IC with mentorship responsibilities