Senior Software Engineer for Code Reviewing LLM Data Training (Ruby)

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

Job summary

A remote AI training firm is hiring a Code Reviewer specializing in Ruby to audit evaluations of AI-generated code. You will ensure annotators meet quality standards and provide feedback. Required qualifications include 5–7+ years in Ruby development, strong knowledge of Ruby tools, and excellent communication skills. This is a flexible, remote role with personalized hourly compensation based on experience and qualifications.

Qualifications

• 5–7+ years of experience in Ruby development, QA, or code review.
• Excellent knowledge of Ruby syntax, metaprogramming, and testing.

Responsibilities

• Review and audit annotator evaluations of AI-generated Ruby code.
• Provide constructive feedback to maintain high annotation standards.

Skills

Ruby expertise

Debugging

Communication skills

Annotation workflows

Tools

RSpec

Minitest

RubyGems

Job description

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 Ruby expertise to review evaluations completed by data annotators assessing AI-generated Ruby 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 Ruby code.
• Assess if the Ruby 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 Ruby development, QA, or code review.
• Strong knowledge of Ruby syntax, metaprogramming, debugging, edge cases, and testing.
• Experience with RubyGems, testing frameworks (RSpec, Minitest), and the Ruby 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 Ruby on Rails or web 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.