Remote .NET Backend Engineer for AI APIs & MySQL

YO AI Labs; Philadelphia (Philadelphia County); Remote; USD 96,000 - 165,000; Full time

Job summary

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

You will design schemas, optimize queries, address performance and security, troubleshoot issues, document solutions, and collaborate with distributed teams across time zones. The ideal candidate works independently in a remote environment and communicates clearly with stakeholders.

Qualifications

• Proficient in C# and .NET with strong backend development experience.
• Experience designing MySQL schemas and optimizing queries.
• Ability to build scalable, secure backend services and APIs.
• Experience working in remote/distributed teams.
• Strong problem-solving and documentation skills.

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. You will build reliable backend services and REST APIs using C#, .NET, and MySQL to support AI training and evaluation projects.

You will design schemas, optimize queries, address performance and security, troubleshoot issues, document solutions, and collaborate with distributed teams across time zones. The ideal candidate works independently in a remote environment and communicates clearly with stakeholders.