Performance Systems Engineer: Speed-Driven Rust & Linux

source.dev; London; On-site; NOK 1,142,000 - 1,649,000; Full time

Job summary

Source.dev is seeking a Performance / Systems Engineer to push the speed limits of Rust, Linux and I/O. This role focuses on dissecting execution paths, reducing kernel-space costs, and squeezing maximum throughput from SourceFS.

You will design robust benchmarks, optimize memory layouts, and work with a collaborative team that values End-to-End Ownership and practical problem solving. Join us in shaping high-performance device software tooling.

Qualifications

• Deep understanding of computer architecture and memory systems.
• Experience writing high-performance Rust or C/C++ code.
• Interest in learning Rust if not already.
• Experience with large-scale build systems and developer tooling.
• Ownership mindset and collaborative, empathetic teamwork.

Responsibilities

• Profile, trace, and eliminate latency across CPU, memory, and disk I/O bottlenecks in Rust systems.
• Tune Linux kernel interactions, optimize FUSE drivers, VFS caches, io_uring.
• Improve memory and cache efficiency; minimize copies across boundaries.
• Design reproducible benchmarking to measure performance regression.
• Maximize build performance on large graphs (Android, Yocto) on high-core hardware.

Skills

Rust

C/C++

Performance optimization

System programming

CPU architecture

Hyper-optimized code

Tools

perf

eBPF

valgrind

io_uring

Linux kernel

Job description

Source.dev is seeking a Performance / Systems Engineer to push the speed limits of Rust, Linux and I/O. This role focuses on dissecting execution paths, reducing kernel-space costs, and squeezing maximum throughput from SourceFS.

You will design robust benchmarks, optimize memory layouts, and work with a collaborative team that values End-to-End Ownership and practical problem solving. Join us in shaping high-performance device software tooling.