Remote C# Software Engineer - AI Trainer

This is an hourly-paid, fully remote contractor role where you will review AI-generated responses and/or generate C#/.NET engineering content, evaluating reasoning quality and step-by-step problem-solving. You will assess solutions for accuracy, clarity, and adherence to the prompt; identify errors in methodology or conceptual understanding; fact-check technical claims; and rate/compare multiple responses based on correctness and reasoning quality. You will also produce high-quality explanations and model solutions that demonstrate correct methods and clear communication. This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate that provides AI training data for many of the world’s largest AI companies and foundation-model labs—your work directly helps improve the world’s premier AI models. Key Responsibilities: • Develop AI Training Content: Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects. • Optimize AI Performance: Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance. • Ensure Model Integrity: Test AI models for potential inaccuracies or biases, validating their reliability across use cases. Your Profile: • Bachelor’s degree or higher in Computer Science, Software Engineering, or a related field (or equivalent professional experience). • 2+ years of professional experience using C#. • Strong experience with C# and the .NET ecosystem ( Core, Web APIs, async/await, LINQ). • Knowledge of relational databases and data access patterns (SQL Server and/or PostgreSQL; EF Core and/or Dapper). • Experience with modern engineering practices and tooling (Git, CI/CD, Docker). • Strong advantage: experience solving Medium-Hard algorithmic problems (e.g., LeetCode/HackerRank-style). • Strong English writing skills; Minimum C1 English proficiency. • Highly detail-oriented, able to spot subtle logical/technical issues and explain corrections clearly. • Preferred: prior experience with AI data training, evaluation, annotation, or technical QA of model outputs. • Able to work as an hourly, remote contractor with reliable internet and consistent availability.

Created: 2026-02-10