C++ Backend Engineer - AI Data Platforms
Alignerr
About this role
This Senior C++ Full-Stack Engineer role focuses on building and enhancing AI data and infrastructure systems that support large-scale data pipelines and model evaluation workflows. The position involves working on real production systems for leading AI labs, contributing to both backend services and full-stack tooling. The engineer will play a key role in improving performance, reliability, and safety of existing C++ codebases while collaborating closely with data, research, and engineering teams. The contract role offers remote, flexible hours between 20–40 hours per week with competitive hourly compensation based on experience.
Skills
About Alignerr
alignerr.comIndustries
Technology
Alignerr 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
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and employee contacts for Alignerr.
Salary
$127k – $173k
per year