Senior C# Full-Stack Engineer — AI Data & Infrastructure

Alignerr(1 month ago)

RemoteContractSenior$123,473 - $168,622 (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 involves working on production-grade infrastructure and tooling used by leading AI labs. Engineers in this role will contribute to both backend services and full-stack tools that power large-scale data operations. The work is project-based with variable weekly hours and fully remote collaboration.

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Required Skills

C# Development
Full Stack Development
Systems Programming
Performance Optimization
Concurrency Management
Memory Safety
Backend Services
Data Pipelines
Data Annotation
Quality Control

+6 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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