Principal Python Engineer - ML Infrastructure
Alignerr
About this role
The Senior Python Full-Stack Engineer — AI Data & Infrastructure role focuses on building and optimizing high-performance systems that support AI data pipelines and evaluation workflows. The position is contract-based and remote, with a flexible commitment of 20–40 hours per week. This engineer will work closely with data, research, and engineering teams to develop full-stack tooling and backend services for large-scale annotation, validation, and quality control. The role is geared toward experienced Python engineers with strong systems and distributed computing expertise.
Skills
About Alignerr
alignerr.comAlignerr is a platform that pays domain experts to train and improve AI by completing remote, flexible tasks on their own schedule. It connects thousands of subject-matter experts with AI teams via a web app to perform data labeling, annotation, evaluation, and other human-in-the-loop work. Experts earn money for contributing their knowledge while companies get higher-quality, domain-specific data and feedback to boost model performance. Alignerr is used to scale and streamline human-centered workflows for AI training and validation.
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About Alignerr
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Leadership Team
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
Unlock Company Insights
View leadership team, funding history,
and employee contacts for Alignerr.
Salary
$114k – $156k
per year
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