Senior Rust Engineer - AI Infra, Remote (20-40h/wk)

Alignerr Corp.; Seattle (WA); Remote; USD 103,000 - 172,000; Part time

Job summary

Alignerr is seeking a senior Rust engineer to design and optimize high-performance systems powering AI data pipelines and evaluation tooling. This fully remote contract role emphasizes performance, correctness, and developer-friendly tooling.

You will collaborate with distributed teams, deliver production-grade Rust services and CLI tools, and help shape how frontier models are trained and measured. 20–40 hours per week, asynchronous work, and long-term engagement possible.

Qualifications

• 5+ years of professional Rust experience in production systems.
• Experience building high-performance backend services and CLI tools.
• Proficient with type-safe database interactions and connection pooling.
• Ability to work asynchronously across distributed teams.
• Excellent written and verbal English communication.

Responsibilities

• Design, build, and optimize Rust systems for data pipelines and evaluation workflows.
• Develop backend services and CLI tooling for data annotation and QA.
• Improve reliability, performance, and safety across codebases.
• Collaborate with data, research, and engineering teams to support model training.
• Identify bottlenecks and implement scalable production fixes.
• Participate in design reviews to iterate on architecture.

Skills

Rust (production-grade)

Backend services

CLI tooling

Type-safe databases & pooling

Asynchronous teamwork

English communication

Job description

Alignerr is seeking a senior Rust engineer to design and optimize high-performance systems powering AI data pipelines and evaluation tooling. This fully remote contract role emphasizes performance, correctness, and developer-friendly tooling.

You will collaborate with distributed teams, deliver production-grade Rust services and CLI tools, and help shape how frontier models are trained and measured. 20–40 hours per week, asynchronous work, and long-term engagement possible.