Senior Software Engineer for Code Reviewing LLM Data Training

G2i Inc.; Remote; ZAR 300 000 - 400 000; Part time

Job summary

A tech consulting company based in South Africa seeks a Code Reviewer with deep C# expertise. You will review AI-generated C# code evaluations, ensuring quality and compliance with guidelines. Candidates should have over 5 years of experience in C#, solid QA skills, and excellent communication abilities. This role offers personalized hourly rates based on your background and expertise, ensuring competitive compensation for technical roles.

Qualifications

• 5–7+ years of experience in C# development, QA, or code review.
• Strong knowledge of C# syntax and .NET framework.
• Experience with testing frameworks and debugging tools.

Responsibilities

• Review and audit annotator evaluations of AI-generated C# code.
• Assess if the C# code follows the prompt instructions.
• Provide constructive feedback to maintain high annotation standards.

Skills

C# development

QA or code review

NuGet

Testing frameworks (xUnit, NUnit, MSTest)

Debugging skills

English proficiency (B2, C1, C2)

Job description

Overview

10-min AI interview, project starts Jan 29, rare languages = higher placement rates

About the Company

G2i connects subject-matter experts, students, and professionals with flexible, remote AI training opportunities, including annotation, evaluation, fact-checking, and content review. We partner with leading AI teams, and all contributions are paid weekly once approved, ensuring consistent and reliable compensation.

About the Role

We\'re hiring a Code Reviewer with deep C# expertise to review evaluations completed by data annotators assessing AI-generated C# code responses. Your role is to ensure that annotators follow strict quality guidelines related to instruction-following, factual correctness, and code functionality.

Responsibilities

• Review and audit annotator evaluations of AI-generated C# code.

• Assess if the C# code follows the prompt instructions, is functionally correct, and secure.

• Validate code snippets using proof-of-work methodology.

• Identify inaccuracies in annotator ratings or explanations.

• Provide constructive feedback to maintain high annotation standards.

• Work within Project Atlas guidelines for evaluation integrity and consistency.

Required Qualifications

• 5–7+ years of experience in C# development, QA, or code review.

• Strong knowledge of C# syntax, .NET framework/Core, debugging, edge cases, and testing.

• Experience with NuGet, testing frameworks (xUnit, NUnit, MSTest), and the .NET ecosystem.

• Comfortable using code execution environments and debugging tools.

• Excellent written communication and documentation skills.

• Experience working with structured QA or annotation workflows.

• English proficiency at B2, C1, C2, or Native level.

Preferred Qualifications

• Experience in AI training, LLM evaluation, or model alignment.

• Familiarity with annotation platforms.

• Exposure to RLHF (Reinforcement Learning from Human Feedback) pipelines.

• Background in ASP.NET, Unity, or enterprise application development.

Compensation

Hourly rates are personalized based on your experience level, educational background, location, and industry expertise. You\'ll see your specific rate in your contract offer before signing. Rates for technical roles can vary significantly based on these factors and can be re-evaluated for different projects based on your performance and experience.