Senior Code Reviewer for LLM Data Training (JavaScript)

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

Job summary

A tech company specializing in AI training is hiring a Code Reviewer to ensure that annotators follow quality guidelines for evaluating AI-generated JavaScript code. The ideal candidate will have 5–7+ years of experience in JavaScript development and code review, strong debugging skills, and excellent communication abilities. This remote role offers flexibility and competitive compensation.

Qualifications

• 5–7+ years of experience in JavaScript development, QA, or code review.
• Strong knowledge of JavaScript syntax, debugging, edge cases, and testing.
• Excellent written communication and documentation skills.

Responsibilities

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

Skills

JavaScript development

Code review

Debugging

Documentation skills

Job description

About the Company

G2i connects subject-matter experts, students, and professionals with flexible, remote AI training work such as 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 JavaScript expertise to review evaluations completed by data annotators assessing AI-generated JavaScript 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 JavaScript code.
• Assess if the JavaScript 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 JavaScript development, QA, or code review.
• Strong knowledge of JavaScript syntax, debugging, edge cases, and testing.
• Comfortable using code execution environments and testing 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.

Why Join Us?

Join a high-impact team working at the intersection of AI and software development. Your JavaScript expertise will directly influence the accuracy, safety, and clarity of AI-generated code. This role offers remote flexibility, milestone-based delivery, and competitive compensation.