Principal Systems Engineer (C++) - AI Infrastructure

Alignerr(2 months ago)

RemoteContractSenior$130,262 - $177,454 (estimated)Engineering

About this role

The Senior C++ 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 contributes to core infrastructure and tools used for large-scale data annotation, validation, and quality control. The engineer will work closely with data, research, and engineering teams to enable reliable model training and benchmarking. This is a contract, remote role with a flexible 20–40 hour per week commitment.

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Required Skills

C++ Programming
Full Stack Development
Systems Programming
High Performance Systems
Backend Services
Data Pipelines
Code Optimization
System Reliability
Performance Tuning
Memory Safety

+13 more

About Alignerr

alignerr.com

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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