Join Sigma.AI – Shaping the Future of Artificial Intelligence What is Sigma? Sigma is a leading global technology company specializing in data collection and annotation for Artificial Intelligence. With over 30 years of experience, offices in Spain,
Overview Are you an experienced quality assurance professional with a passion for language quality, AI, and team leadership? We are looking for an Indonesian-speaking Quality Control Lead to join a large-scale AI training program. In this
Overview Are you an experienced quality assurance professional with a passion for language quality, AI, and team leadership? We are looking for a Mandarin Chinese-speaking Quality Control Lead to join a large-scale AI training program. In
Overview Are you an experienced quality assurance professional with a passion for language quality, AI, and team leadership? We are looking for a Korean-speaking Quality Control Lead to join a large-scale AI training program. In this
Overview Are you an experienced quality assurance professional with a passion for language quality, AI, and team leadership? We are looking for a Japanese-speaking Quality Control Lead to join a large-scale AI training program. In this
Are you a native or near-native Japanese speaker with strong analytical skills and excellent attention to detail? We are looking for Japanese Fact-Checking Annotators to join our growing AI data team. This is a remote freelance
Overview As an Expert Rater (ER), you will specialize in providing Raters support and guidance. You will be instrumental in enhancing the knowledge and skills of other Raters, with a particular focus on developing their rating
About the Role We are looking for detail-oriented Quality Control (QC) Specialist to support an AI data annotation project. In this role, you will review the work submitted by Trainers — pre-seeded questions paired with images and
About the Role We are looking for detail-oriented Trainers to support an AI data annotation project. In this role, you will review pre-seeded questions paired with images and provide accurate golden answers based on what you observe