Data Infrastructure Engineer (Rust) - High Performance Computing

Labelbox; Remote; GBP 60,000 - 80,000; Part time

Job summary

A leading AI infrastructure company is looking for a Senior Rust Full-Stack Engineer to design and optimize systems supporting AI data pipelines. This remote role requires 5+ years of Rust experience, strong data parallelism skills, and clear communication abilities. You will enhance existing codebases, develop tooling for data annotation, and collaborate with various teams. The position is flexible, requiring a commitment of 20–40 hours per week with compensation ranging from $50 to $75 per hour.

Qualifications

• 5+ years of professional experience writing production Rust.
• Native or fluent English speaker.
• Deep understanding of memory layout and minimizing heap allocations.

Responsibilities

• Design and optimize high‑performance systems in Rust.
• Develop full-stack tooling for data annotation and validation.
• Identify bottlenecks and implement scalable fixes.

Skills

Production Rust

Data Parallelism

Concurrency Patterns

Memory Layout

Communication Skills

Job description

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