Senior Backend Engineer (C#) - AI Data Platform

Alignerr(1 month ago)

RemoteContractSenior$107,179 - $147,623 (estimated)Engineering

About this role

The Senior C# Full-Stack Engineer — AI Data & Infrastructure will contribute to real production systems and research workflows that support leading AI labs. The role focuses on building and enhancing systems that power AI data pipelines, evaluation workflows, and large-scale data tooling. This position is a remote, hourly contract role with a 20–40 hour weekly commitment, based in the United Kingdom.

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Required Skills

C# Development
Full-Stack Development
Systems Programming
RESTful APIs
RPC Services
Cloud-Native Services
Message Bus Architectures
Backend Development
Performance Optimization
Code Reliability

+10 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.