Senior C# Full-Stack Engineer

Job Summary

A company is looking for a Backend Developer - AI Data Services.

Key Responsibilities

• Design, build, and optimize high-performance systems in C# for AI data pipelines and evaluation workflows
• Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control
• Collaborate with teams to support model training and evaluation workflows while identifying and fixing system bottlenecks

Required Qualifications

• Full-stack developer experience with a strong systems programming background
• 5+ years of professional experience writing production C#
• Strong skills in data modeling and database access using ORM frameworks or micro-ORMs
• Experience building secure, documented endpoints for data access and manipulation
• Ability to commit 20-40 hours per week