Remote Backend Engineer - C#/.NET & API Specialist

YO AI Labs; Seattle (WA); Remote; USD 90,000 - 140,000; Full time

Job summary

YO AI Labs is seeking a Backend C#/.NET Developer for a remote contract role to support AI training and evaluation projects. You will build backend services, APIs, and data pipelines using C#/.NET and MySQL, delivering reliable, scalable solutions.

Strong C#/.NET skills, database design, and problem solving are essential. You will collaborate with distributed teams, document technical work, and contribute to high-quality engineering outcomes from anywhere in the US.

Qualifications

• Proficiency with C# and .NET ecosystem.
• Experience designing and querying MySQL databases.
• Strong understanding of RESTful API design and backend architectures.
• Ability to design scalable, secure backend services.

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.

Skills

C#

.NET

MySQL

REST APIs

Backend Development

Database Design & Query Optimization

Problem Solving

Job description

YO AI Labs is seeking a Backend C#/.NET Developer for a remote contract role to support AI training and evaluation projects. You will build backend services, APIs, and data pipelines using C#/.NET and MySQL, delivering reliable, scalable solutions.

Strong C#/.NET skills, database design, and problem solving are essential. You will collaborate with distributed teams, document technical work, and contribute to high-quality engineering outcomes from anywhere in the US.