Performance Engineer - Open Source

entire stack for that architecture, CPU family, or hypervisor. Our goal is to ensure that Ubuntu users can select whatever platform they want for their workloads and know they have access to the very best performance and efficiency across the entire stack from kernel to codec. Location: We have teams in every time zone, and can accommodate applications from almost any country. Nice-to-have skills we value * Low-level CPU insights and assembly language - understanding cache, registers, vectorization, memory * Kernel performance insights - scheduling, context switching, hardware acceleration * Distributed systems performance insights - tracing, debugging * Compiler-level performance insights - profile guided optimization, inlining, assembler * Runtime performance insights - Golang, Python, JVM, NodeJS * Database performance evaluation - plans, indexing, data modeling, tracing, monitoring * Web browser performance insights - JS, web frameworks, tracing, CSS * Performance

measurement tooling - profiling, eBPF, D-Trace, flamegraphs * Benchmarks and performance measurement tools - Phoronix Test Suite, others * Test harnesses and capabilities in C, C++, Rust, Python, Golang, NodeJS, JavaScript The role entails * 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, analysis, and reporting * Teach, train, and develop skills in your team for performance culture and design * Strengthen test capabilities, harnesses, and pipelines * Analyze systems and code to understand performance and scalability * Solve problems directly or through influence, leadership, and skills development * Review code and technical designs What we are looking for in you * Exceptional academic track record from both high school and university * Undergraduate degree in Computer Science, Mathematics, or Physics

• Demonstrable personal initiatives to measure and improve performance, efficiency, and correctness in code * Confidence to respectfully speak up, exchange feedback, and share ideas without hesitation * Track record of going above-and-beyond expectations to achieve outstanding results * Leadership and commitment to skills development and mentorship * Passion for technology evidenced by personal projects and initiatives * The work ethic and confidence to shine alongside motivated colleagues * Professional written and spoken English with excellent presentation skills * Experience with Linux (Debian or Ubuntu preferred) * Excellent interpersonal skills, curiosity, flexibility, and accountability * Appreciative of diversity, polite, and effective in a multi-cultural, multi-national organisation * Thoughtfulness and self-motivation * Result-oriented, with a personal drive to meet commitments * Ability to travel internationally twice a year, for

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. We have created a new career path at Canonical for Performance Engineers who bring exceptional clarity to software performance, correctness, and efficiency. We are adding these roles to every engineering team at the company. As an open source platform, we have teams that work at every level of the software stack - from the kernel up through server and desktop applications, all the way to the web. We are adding roles with this focus in every engineering team in the company, to act as drivers of performance engineering skills, tools, culture, and insights to our entire product range. We also have teams that work with every major silicon vendor and cloud, with a particular emphasis on performance optimization of the