Data Infrastructure Engineer (Rust) - High Performance Computing
About this role
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
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