Data Infrastructure Engineer (Rust) - High Performance Computing

Senior Rust Full-Stack Engineer — AI Data & Infrastructure About The Role What if your deep expertise in Rust could directly shape the infrastructure powering the next generation of AI? We're looking for a Senior Rust Engineer to build and optimize high-performance data pipelines, annotation tooling, and evaluation systems used by leading AI research labs — on real production systems that matter. This is a fully remote, flexible contract role for an experienced Rust engineer who thrives at the intersection of performance engineering and AI infrastructure. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 20–40 hours/week What You'll Do Design, build, and optimize high-performance systems in Rust supporting AI data pipelines and evaluation workflows Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control Improve reliability, performance, and safety across existing Rust codebases Collaborate with data, research, and engineering teams to support model training and evaluation workflows Identify bottlenecks and edge cases in data and system behavior, and implement scalable fixes Participate in synchronous design reviews to iterate on system architecture and implementation decisions Who You Are Native or fluent English speaker with clear written and verbal communication skills 5+ years of professional experience writing production‑grade Rust Deep expertise in data parallelism and concurrency patterns to maximize CPU saturation Strong command of memory layout, SIMD optimizations, and heap allocation minimization to identify and resolve performance bottlenecks Self‑directed and dependable — able to commit 20–40 hours per week and deliver without hand‑holding Nice to Have Prior experience with data annotation, data quality pipelines, or evaluation systems Familiarity with AI/ML workflows, model training, or benchmarking pipelines Experience building distributed systems or developer tooling at scale Why Join Us Work on cutting‑edge AI infrastructure alongside leading research labs Fully remote and flexible — work when and where it suits you Freelance autonomy with the structure of high‑impact, technically challenging work Make a direct, tangible contribution to systems that shape how next‑generation AI models are built and evaluated Potential for ongoing work and contract extension as new projects launch #J-18808-Ljbffr Alignerr