Speed-Driven Systems Engineer (Rust/Linux)

United States Digital Space LLC; London; On-site; NOK 946,000 - 1,388,000; Full time

Benefits offered by this job

AI-Native Infra

Direct Impact

Early Ownership

Top Partnerships

Elite Engineering Culture

Job summary

Source.dev seeks a Performance / Systems Engineer to push the speed limits of Rust and C/C++ in SourceFS, dissecting paths and memory layouts to maximize hardware utilization. You will profile and optimize I/O, kernel interactions, and memory efficiency to reduce build times and latency.

Join a fast-moving team delivering AI-native infrastructure, owning the work end-to-end, and shaping the future for devices and cloud ecosystems.

Qualifications

• Extensive experience with high-performance Rust or C/C++.
• Experience with large-scale build systems and developer tooling.
• Familiarity with kernel-space concepts, I/O optimization, and memory systems.

Responsibilities

• Profile, trace, and eliminate latency in Rust systems code.
• Tune Linux kernel interactions, FUSE drivers, io_uring, and memory-mapped execution.
• Optimize data structures for cache locality and reduce allocations.
• Design robust benchmarking suites for performance regression in high-concurrency environments.
• Scale build primitives and optimize build graphs on high-core hardware.

Skills

Performance mindset

Scale-focused

Collaborative

Low ego

Feedback culture

Tools

Rust

C/C++

Job description

Source.dev seeks a Performance / Systems Engineer to push the speed limits of Rust and C/C++ in SourceFS, dissecting paths and memory layouts to maximize hardware utilization. You will profile and optimize I/O, kernel interactions, and memory efficiency to reduce build times and latency.

Join a fast-moving team delivering AI-native infrastructure, owning the work end-to-end, and shaping the future for devices and cloud ecosystems.