Sr. Software Enginer for LLM Data Training (JavaScript)

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

Job summary

A leading AI training company is seeking a Code Reviewer with deep JavaScript expertise in Phoenix, South Africa. The role involves reviewing evaluations of AI-generated JavaScript code to ensure adherence to quality standards. Candidates should possess extensive experience in JavaScript development, with excellent communication skills. Compensation is based on experience, with personalized hourly rates. If you have a passion for quality assurance and AI, this opportunity is for you.

Qualifications

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

Responsibilities

• Review and audit annotator evaluations of AI-generated JavaScript code.
• Assess JavaScript code for compliance with prompt instructions and security.
• Provide feedback to ensure high annotation standards.

Skills

JavaScript expertise

Quality Assurance

Code review

Written communication

Testing tools proficiency

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.

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.