Data Infrastructure Engineer (Rust) - High Performance Computing

Labelbox

San Francisco, CA, United States

$50

Full Time

Expires On: 03/05/2026

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 Full‑Stack Engineer — AI Data & Infrastructure

Type: Contract, Remote
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 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 reviews to iterate on system design and implementation decisions

Qualifications

Must‑Have

  • Native or fluent English speaker
  • 5+ years of professional experience writing production Rust.
  • Expertise in data parallelism and concurrency patterns to maximize CPU saturation.
  • Deep understanding of memory layout, SIMD optimizations, and minimizing heap allocations to identify and fix performance bottlenecks.
  • 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

$50–$75 an hour

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