OpenRecently verified

Principal Python Engineer - ML Infrastructure

  • Software Engineering
  • Platform: Alignerr
  • Level: Expert

$50-75/hrAs published by the platform.

About this job

This contract role centers on building the Python infrastructure that AI labs use to prepare and assess training data, including data pipelines, annotation tools and evaluation systems. It is aimed at senior engineers with deep production Python experience who can design distributed systems and lead architecture decisions.

What you'll do

  • Design and optimize high-performance Python systems for large-scale AI data pipelines and evaluation workflows.
  • Build full-stack tooling and backend services for data annotation, validation and quality control.
  • Improve reliability, performance and safety across existing production Python codebases.
  • Take part in synchronous design reviews that shape technical strategy and architecture.

Requirements

Python
  • 5+ years of experience

Pay

$50-75/hr

Pay as published by the platform. It is not a guarantee of income or hours.

Location

The platform has not published which countries are eligible for this job.

How to apply

You apply on Alignerr, Labelbox's expert network: create a profile, complete an AI-led interview and skills assessment, then get matched to projects in your field.

All Alignerr jobs and how the platform works

Source

Official posting: https://www.alignerr.com/jobs/11ed577b-3aae-43ad-a823-c1fffe7e4f2d

Last checked on October 8, 2026.

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