Remote Senior C# Backend Engineer — AI Data Pipelines

Alignerr is seeking a Senior C# Full-Stack Engineer to design, implement, and optimize data pipelines, annotation tooling, and evaluation systems used by AI labs. The role is remote, hourly, with a commitment of 20–40 hours per week.

You will work across backend C# services, data access, and tooling to support model training and evaluation, ensuring scalable and secure systems. A strong systems programming background and 5+ years of production C# experience are essential.

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