Senior Python Engineer: AI Data Pipelines & Tools (Remote)

Alignerr Corp.; Seattle (WA); Remote; USD 96,000 - 165,000; Part time

Job summary

Alignerr is seeking a senior Python Software Engineer to design data pipelines, annotation tooling, and evaluation systems powering AI workflows. This is a fully remote, hourly contract role requiring strong Python expertise and systems thinking to ship production-grade infrastructure.

You'll work 20–40 hours per week on high-impact AI infrastructure, collaborating with data, research, and engineering teams to improve model training and evaluation pipelines, while emphasizing reliability and

Qualifications

• 3–5+ years of professional experience writing production-grade Python.
• Strong full-stack developer with a solid systems programming background.
• Experience writing clean, maintainable code with linters, formatters and tests.

Responsibilities

• Design, build, and optimize high-performance Python systems for 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 Python codebases.

Skills

Python

Full-stack development

Systems programming

Testing frameworks

Clean code practices

Job description

Alignerr is seeking a senior Python Software Engineer to design data pipelines, annotation tooling, and evaluation systems powering AI workflows. This is a fully remote, hourly contract role requiring strong Python expertise and systems thinking to ship production-grade infrastructure.

You'll work 20–40 hours per week on high-impact AI infrastructure, collaborating with data, research, and engineering teams to improve model training and evaluation pipelines, while emphasizing reliability and