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Performance Engineer - Open Source

Brazil💼 Full-time🗓 2026-09-26 → 2026-09-29

Core

Drive software performance, efficiency, scalability, and correctness across the full stack from CPUs and kernels to applications and databases.

Role type

Senior IC performance engineer (open source)

Builds

Shared performance tooling, measurement frameworks, dashboards, and analytical capabilities

Domain

Open source software, cloud platforms, diverse silicon architectures

Required skills

Linux system administration, low-level CPU behavior analysis, kernel performance tuning, distributed systems tracing, performance profiling, benchmarking, C/C++/Rust/Go/Python/Java/JavaScript, database performance evaluation, code review for performance

Preferred skills

eBPF/D-Trace/flamegraphs, Phoronix Test Suite, hardware acceleration concepts, mentoring

Technologies

Linux, Debian, Ubuntu, eBPF, D-Trace, flamegraphs, Phoronix Test Suite, C, C++, Rust, Go, Python, Java, JavaScript, Node.js, Dart

Responsibilities

Analyze systems and code to identify bottlenecks and optimization opportunities; Develop and improve shared tools and measurement frameworks; Strengthen test harnesses and pipelines for observability; Collaborate with engineering teams and open source communities; Mentor colleagues and lead performance initiatives; Review code and technical designs for performance and scalability

Seniority

Senior, hands-on IC with mentorship responsibilities

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