Remote Python Engineer for AI Data Pipelines & Workflows

Alignerr; New York (NY); On-site; USD 83,000 - 165,000; Part time

Job summary

Alignerr is seeking a senior Python engineer to design, build, and optimize high-performance Python systems that power AI data pipelines and evaluation workflows. You will contribute to annotation tooling, validation, and scalable backend services in a remote hourly-contract setting.

You should have 3–5+ years of production-grade Python experience, a strong systems programming background, and a disciplined approach to tests and quality.

Qualifications

• 3–5+ years of professional experience writing production-grade Python.
• Native or fluent English with clear communication.
• Strong systems programming background and full-stack capabilities.

Responsibilities

• Design, build, and optimize high-performance Python systems supporting AI data pipelines and evaluation workflows.
• Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control.
• Identify bottlenecks, edge cases, and reliability issues across existing codebases.
• Improve performance, safety, and maintainability of Python infrastructure used in production environments.
• Collaborate with data, research, and engineering teams to support model training and evaluation workflows.
• Participate in design reviews and iterate on system architecture and implementation decisions.

Skills

Production-grade Python

Full-stack systems programming

Testing and code quality

Error handling and edge cases

Job description

Alignerr is seeking a senior Python engineer to design, build, and optimize high-performance Python systems that power AI data pipelines and evaluation workflows. You will contribute to annotation tooling, validation, and scalable backend services in a remote hourly-contract setting.

You should have 3–5+ years of production-grade Python experience, a strong systems programming background, and a disciplined approach to tests and quality.