Senior Backend Engineer (C#) - AI Data Platform

Alignerr(1 month ago)

RemoteContractSenior$120,916 - $165,354 (estimated)Engineering

About this role

The Senior C# Full-Stack Engineer — AI Data & Infrastructure role focuses on building and optimizing systems that support AI data pipelines and evaluation workflows. The position centers on developing tooling and backend services for large-scale data operations and improving existing C# codebases. This role operates within AI and ML-focused environments, supporting production systems and research workflows for leading AI labs. Engagements are project-based with flexible weekly hours.

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Required Skills

C# Development
Full Stack
Systems Programming
Backend Services
RESTful APIs
RPC Services
Cloud Native
Message Bus
Data Pipelines
Data Annotation

+11 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.