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Remote AI Code Reviewer & Systems Quality Engineer

📍 Location
london
⏰ Job Type
Full-time
📅 Posted
May 31, 2026

About the Role

Upwork is seeking experienced software engineers to improve advanced AI systems through human feedback. Candidates will work on evaluating system performance, refining logic, and ensuring code quality. The ideal applicant has over 2 years of experience in backend engineering or AI automation, with strong proficiency in multiple programming languages and SQL databases. This role is fully remote with project-based tasks, allowing freelancers to accept or decline assignments based on their availability.
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