Lean / Six Sigma Black Belt Expert - AI Trainer - Freelance - 8-20 hrs/week - Remote is open at 10x Team in Portugal (remote). The posting gives a salary of €90 - €180 an hour. Posted on May 28, 2026, and still on 10x Team’s careers page when we last checked, on Nov 14, 2026.
About the role
Review and refine AI-generated outputs related to Lean methodology, Six Sigma practices, and process improvement - Evaluate the accuracy and practicality of AI recommendations for waste reduction, defect minimization, and workflow optimization - Develop and provide real-world scenarios and case studies from your Lean / Six Sigma experience - Generate scenario variations that address industry best practices…
The opening lines of the posting. The rest is on 10x Team’s careers page.
Hiring at 10x Team
10x Team has 134 open roles right now, 132 of them remote. Most are in Education & Training, Engineering and Data & Research. See all its roles
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