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Venture Builder - AI Trainer - Freelance - 8-20 hrs/week - Remote at 10x Team. Remote Location: Poland. Updated: 27 April 2026. Freelance | 8–20 hrs/week | Remote (EU/UK). Are you a seasoned venture builder with an entrepreneurial mindset who can spot business opportunities, identify blind spots, and understands the intricacies of building ventures from the ground up? Do you have 8 to 20 hours per week to contribute alongside your primary projects or commitments? Join us in shaping how AI learns from and applies authentic venture-building expertise at scale.. About the Role. 10x.team connects expert freelancers with leading AI labs building next-generation models. We are seeking experienced venture builders based in the EU or UK to help enhance the depth, realism, and applicability of AI-powered business and venture creation systems.. What You Will Do. Review and refine AI-generated outputs covering topics such as venture creation, business validation, go-to-market strategies, fundraising, and scaling startups. Evaluate AI content for business realism, practical soundness, and relevance to real-world venture building. Draft realistic scenarios and case studies reflecting your experience launching or developing new ventures. Identify gaps, flawed assumptions, or impractical logic in AI-generated responses. Create alternative perspectives from various stakeholders (e.g. founder, investor, operator, or advisor). In simple terms:. You will assess and improve AI-generated content to ensure it demonstrates real venture-building practices and a nuanced understanding of entrepreneurship. Rather than delivering traditional consulting work, you’ll apply your hands-on experience to help AI systems truly understand the complexities and realities of launching and building ventures.. Who You Are. An experienced venture builder, startup founder, operator, or advisor with significant hands-on experience. Based in and eligible to work in the EU or UK. Skilled in early-stage venture development, validation, go-to-market planning, fundraising, or growth. Able to spot weak logic, impractical pathways, or unrealistic business plans. Familiar with the frameworks, processes, and best practices of venture building. Comfortable working independently and providing clear, actionable feedback. Available for 8–20 hours per week, with near-term start. Why Join?. Flexible, fully remote work that fits your schedule. Apply your venture-building expertise in a cutting-edge AI context. Directly contribute to improving the next generation of AI systems. Access clear project briefs and supportive onboarding. Opportunity for long-term collaboration based on performance. How to apply. To complete your application, you’ll receive an email right after applying with a link to:. A short written evaluation. A brief AI-powered interview. A quick compliance check (credentials & identity). Important:. Your application is only complete once you finish these steps via the link in the email.. Once onboarded, you'll be eligible to start on upcoming projects as they become available. Join us to help shape the entrepreneurial intelligence of the world’s most advanced AI models!. #LI-TT1