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G2i Inc.
Senior Code Reviewer for LLM Data Training (Java)

Senior Code Reviewer for LLM Data Training (Java)

Remote

Canada

Senior

Freelance

24-11-2025

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Skills

Communication Java Training

Job Specifications

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 upon approval, ensuring consistent, reliable compensation.

About the Role

We’re hiring Code Reviewers with deep Java expertise to review evaluations completed by data annotators assessing AI-generated Java 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 Java code.
Assess if the Java 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 Java development, QA, or code review.
Strong knowledge of Java 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.

About the Company

G2i is a hiring community connecting remote developers with world-class engineering teams. Our unique approach combines rigorous technical assessments with a solid commitment to developer health, ensuring companies get skilled developers who are supported, valued, and ready to execute from day one. Our transparent vetting process includes in-depth, performance-ranked developer profiles, recorded technical interviews, and soft-skills assessments. Whether you're working on a short-term project or burning down a backlog, G2i c... Know more