C# Engineer for AI Training

You will help train AI systems on C# software engineering by creating and reviewing technical responses, problem-solving prompts, and model solutions. The work depends on clear reasoning, careful evaluation, and consistent written feedback.

• Write or improve expert responses about C# and .NET software engineering.
• Review source material and AI-generated outputs against project guidelines.
• Explain technical judgments and corrections clearly so model behavior can improve.
• Maintain consistent quality across repeated review tasks.
• Work with topics including ASP.NET Core, Web APIs, async/await, LINQ, databases, and data access.

What it pays and takes

This is remote, part-time contractor work focused on AI training and text evaluation. Future project opportunities may be available.

• Pay: $35 to $65 per hour.
• Estimated project earnings: $4,800 to $10,400, based on the schedule and duration shown on OpenTrain.
• Time requirement: 20+ hours per week.
• Location: Open to candidates in Bangladesh, Bhutan, Brazil, Cambodia, Germany, India, Indonesia, Malaysia, Nepal, Pakistan, Singapore, Sri Lanka, Thailand, the Philippines, the United States, Timor-Leste, and Vietnam.
• Education: Bachelor's degree or higher in computer science, software engineering, or a related field, or equivalent professional experience.
• Experience: 2 or more years of professional C# experience.
• Technical skills: Strong C# and .NET experience, including ASP.NET Core, Web APIs, async/await, and LINQ.
• Database skills: Knowledge of relational databases and data access patterns, including SQL Server or PostgreSQL and EF Core or Dapper.
• Engineering tools: Experience with Git, CI/CD, and Docker.
• Language: Minimum C1 English proficiency with strong English writing skills.
• Work style: High attention to detail and the ability to identify subtle technical or logical issues and explain corrections.
• Helpful background: Experience with AI data training, evaluation, annotation, or technical quality review of model outputs.

How it works

Apply on OpenTrain with your resume, then complete the application on the hiring site.

About AI training work

AI training is the human work behind systems that generate and understand text, code, and other content. Contributors prepare examples, review model responses, and give clear feedback so AI systems can produce more useful results; people with strong technical expertise are needed for specialist projects like this one.