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Controller - AI Trainer - Freelance - 8-20hrs/week - Remote at 10x Team. Remote Location: Germany. Freelance | 8–20 hrs/week | Remote (EU/UK). Are you an experienced finance professional eager to apply your expertise in a new, impactful context? Do you have 8 to 20 hours per week available alongside your existing projects or consulting work?. We are searching for freelance controllers based in the EU or UK to help improve advanced AI systems.. What you’ll be doing. We are 10x.team, a platform for fractional and freelance professionals. We partner with leading AI labs to improve large AI systems.. In this practical, high-impact role, you will:. Review and refine AI-generated responses related to finance, accounting, and controlling. Evaluate outputs for financial accuracy, regulatory compliance, and industry best practices. Draft realistic financial scenarios—including reporting, budgeting, forecasting, internal controls, and compliance tasks. Assess AI reasoning in areas such as financial analysis, process optimisation, risk assessment, and decision support. Identify gaps, misinterpretations, or unrealistic assumptions in financial methodology or outputs. Create scenario variations from different stakeholder perspectives such as finance manager, executive team, or auditor. In simple terms:. You will assess and improve AI-generated content to ensure it reflects real-world finance and controlling standards, practices, and reasoning. Your work will help scale and advance the quality of AI systems in the finance domain.. Who this is for. You are:. A finance professional, controller, accounting specialist, or similar. Based in the EU or UK. With several years of experience in finance, accounting, or business analysis. Skilled with modern financial tools, IFRS/local GAAP, and best practices. Comfortable identifying methodological flaws and compliance concerns. Available 8 to 20 hours per week. Able to start in the coming weeks. This role is fully remote and flexible—perfect alongside your existing commitments.. Why join?. Flexible hours. Fully remote. Apply your finance expertise to advance AI systems. Contribute to widely used AI products. Clear project scope and structured onboarding. Potential for long-term collaboration based on performance. Screening process. Our process is straightforward and fully guided. After applying, you will complete:. A short AI-based interview. A brief written evaluation focused on finance and controlling reasoning. A compliance check to verify your identity and professional background. If approved, you will be onboarded and can start shortly after.. #LI-AS1