Backend C#/. - Remote

YO AI Labs • Artificial Intelligence • LLM & Generative AI • C# • 1 day ago
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Salary
≈ $158k – $329k per year (Estimated)
Location
In office (New York)

Confirmed on the employer's own hiring board on Sep 28, 2026. First seen by Alion on Sep 27, 2026.

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YO AI Labs

YO AI Labs is an artificial intelligence platform specializing in AI model training, evaluation, and data annotation services. Headquartered in San Francisco, California, United States, the company connects domain experts and remote specialists across the globe to review, test, and benchmark generative AI model outputs. Through its decentralized workforce solutions and structured evaluation workflows, it enables frontier technology developers to enhance the accuracy, safety, and reliability of next-generation artificial intelligence systems.
yoailabs.com • HQ: San Francisco, United States • Reinforcement Learning • LLM & Generative AI • Artificial Intelligence • 5000+ employees
Tech stack of YO AI Labs

Backend C#/.NET Developer

Role Type: Contract

Location: Remote

About the Role

We are looking for skilled backend developers to support AI training and evaluation projects. You'll use C#, .NET, and database expertise to build reliable backend services and APIs.

Key Responsibilities

  • Develop and maintain backend services and REST APIs using C# and .NET.
  • Work with MySQL databases, including schema design and query optimization.
  • Build scalable, secure, and maintainable backend solutions.
  • Troubleshoot and resolve technical issues.
  • Optimize application performance and reliability.
  • Document technical solutions and collaborate with remote teams.

Required Skills

  • C#
  • .NET
  • MySQL
  • REST APIs
  • Backend Development
  • Database Design & Query Optimization
  • Problem Solving

Preferred Qualifications

  • Strong experience with the C#/.NET ecosystem.
  • Experience developing cloud-hosted applications on AWS, Azure, or GCP.
  • Familiarity with Agile methodologies and distributed teams.
  • Strong communication and technical documentation skills.
  • Ability to work independently in a remote environment.
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