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

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

Job summary

A flexible remote AI training provider is looking for a Code Reviewer with strong Swift expertise to assess AI-generated code evaluations. Responsibilities include auditing annotations for quality, validating code functionality, and providing feedback. The ideal candidate must have over 5 years of experience in Swift development and excellent communication skills. This role offers personalized hourly rates based on experience, knowledge, and location.

Qualifications

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

Responsibilities

• Review and audit annotator evaluations of AI-generated Swift code.
• Validate code snippets using proof-of-work methodology.
• Provide constructive feedback to maintain high annotation standards.

Skills

Swift development

Quality Assurance (QA)

Code review

Debugging

Documentation skills

English proficiency

Tools

Xcode

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 Swift expertise to review evaluations completed by data annotators assessing AI-generated Swift 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 Swift code.
• Assess if the Swift 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 Swift development, QA, or code review.
• Strong knowledge of Swift syntax, memory management, debugging, edge cases, and testing.
• Experience with Xcode, testing frameworks, and the Swift/iOS 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 iOS, macOS, or Apple platform 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.