About the role

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 Systems Engineer — AI Data & Infrastructure(Go, Rust, Python, or C++)

Type: Contract Commitment: 20–40 hours/week Compensation: Competitive, hourly (based on experience and location)

Role Responsibilities

– Design, build, and optimize high-performance systems using Go, Rust, Python, or C++

– Develop tooling and backend services for large-scale data annotation, validation, and evaluation workflows

– Build and maintain reliable data pipelines supporting AI training and benchmarking

– Improve performance, scalability, and safety across existing codebases

– Collaborate with data, research, and engineering teams on model-facing infrastructure

– Identify bottlenecks, edge cases, and failure modes in data and system behavior

– Participate in synchronous reviews to iterate on architecture and implementation decisions

Qualifications

Must-Have

– 5+ years of professional experience in Go, Rust, Python, or C++

– Strong systems or backend engineering background

– Experience building production services, tooling, or data pipelines

– Ability to reason about performance, reliability, and correctness

– Clear written and verbal communication skills

– Ability to commit 20–40 hours per week

Preferred

– Experience with data annotation, data quality, or evaluation systems

– Familiarity with AI/ML workflows, model training, or benchmarking pipelines

– Experience with distributed systems or high-throughput data processing

– Background in developer tooling or internal infrastructure

Application Process

– Submit your resume

– Complete screening and assessment

– Project matching and onboarding

$50 – $75 an hour