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Performance Engineer - Open Source

Home Based - Worldwide🌐 Remote💼 Full-time🗓 2026-04-01 → 2026-07-31

Core

Drive software performance, correctness, and efficiency across the entire Ubuntu stack from kernel to applications, acting as a driver of performance engineering skills and tools for the product range.

Role type

Senior IC Performance Engineer (Open Source)

Builds

Shared performance measurement tools, dashboards, and frameworks for the entire product range

Domain

Open Source / Operating Systems / System Performance

Deliverable

production ML models | product features | infrastructure

Required skills

Low-level CPU insights (cache, registers, vectorization), Kernel performance tuning, Compiler optimization, Runtime performance analysis, Distributed systems tracing, Database performance evaluation, Web browser performance optimization, Profiling tools (eBPF, flamegraphs), Test harness development

Preferred skills

Assembly language, Profile guided optimization, Hardware acceleration, Data center efficiency optimization

Technologies

C, C++, Rust, Golang, Python, Java, Linux (Debian/Ubuntu), eBPF, 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 and develop skills in your team for performance culture, Strengthen test capabilities and pipelines, Analyze systems and code to understand performance and scalability

Seniority

Senior, hands-on IC with leadership and mentorship expectations

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