Performance Engineer - Open Source
Core
Drive software performance and correctness across the entire software stack from kernel to applications, optimizing efficiency for Ubuntu and enterprise workloads.
Role type
Senior IC Performance Engineer (Open Source)
Builds
Shared performance measurement tools, dashboards, test harnesses, and correctness frameworks for the Ubuntu platform.
Domain
Open Source / Operating Systems / Cloud Infrastructure
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
Low-level CPU insights (cache, registers, vectorization), Kernel performance tuning, Compiler optimization, Runtime profiling, Distributed systems tracing, Test harness development, Code review, Technical leadership
Preferred skills
Assembly language, eBPF, Phoronix Test Suite, C/C++/Rust/Golang expertise, Database performance tuning, Web browser performance optimization
Technologies
Linux (Debian/Ubuntu), C, C++, Rust, Golang, Python, eBPF, D-Trace, flamegraphs, Phoronix Test Suite
Responsibilities
Drive software performance and correctness in a specific project, Collaborate with colleagues and community around the globe, Work on shared tools and infrastructure for performance measurement, Teach, train and develop skills in your team for performance culture, Analyze systems and code to understand performance and scalability, Review code and technical designs
Seniority
Senior, hands-on IC with leadership expectations
