Alignerr

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About The Job Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. We work on real production systems and high-impact research workflows across data, tooling, and infrastructure. Position Senior Rust Engineer — AI Data & Infrastructure Type: Contract Commitment: 20–40 hours/week Compensation: Competitive, hourly (based on experience) Role Responsibilities - Design, build, and optimize high-performance systems in Rust supporting AI data pipelines and evaluation workflows- Develop 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 reviews to iterate on system design and implementation decisions Qualifications Must-Have • 5+ years of professional experience writing production Rust- Strong systems programming background (performance, concurrency, memory safety)- Experience building backend services, tooling, or data pipelines- Clear written and verbal communication skills- Ability to commit 20–40 hours per week Preferred • Prior experience with data annotation, data quality, or evaluation systems- Familiarity with AI/ML workflows, model training, or benchmarking pipelines- Experience with distributed systems or developer tooling Application Process - Submit your resume- Complete a short technical screening- Project matching and onboarding