Customer Support Specialist – Freelance AI Trainer

Mindrift is recruiting Customer Support Specialist Freelance AI Trainers in Germany (nationwide) (nationwide) to help develop and evaluate AI training scenarios for leading technology companies. This is a project-based contract role — positions are not permanent, and work is assigned on a per-project basis.

Role Overview

You'll create realistic customer service scenarios focused on financial services and banking contexts, then evaluate how AI systems respond to those scenarios. Your work helps improve how AI handles complex customer interactions involving payments, accounts, fraud, and policy interpretation. Each project is different, but your core contribution is building the training materials and assessment frameworks that teach AI systems to communicate with clarity, empathy, and accuracy.

What You'll Do

• Author customer service scenarios involving billing inquiries, payment discrepancies, and fee policy questions — ensuring that AI understands the difference between genuine service requests and potential fraud indicators
• Develop test cases for payment automation and account setup, including realistic error conditions, boundary cases, and procedural safeguards
• Create scenarios for fraud detection and dispute handling, testing how AI recognises red flags, gathers necessary information, and escalates appropriately
• Design account management scenarios including closures and service terminations, verifying AI applies retention logic and account checks correctly
• Evaluate AI responses for both technical correctness and quality of communication — assessing emotional awareness, appropriate tone for the communication channel, and whether explanations are clear and trustworthy

What You Bring

• 2+ years of hands-on experience in customer service, banking, financial services, or a closely related role
• A degree in Finance, Business Administration, Economics, Communications, Psychology, Marketing, or equivalent field
• Strong fluency in English — minimum C1 level — with excellent written communication
• Solid grasp of customer service principles and the ability to assess communication quality
• Ability to read policy documents, fee schedules, and procedural guidelines, and apply them correctly to specific customer situations
• Prior experience as a QA analyst, call-centre trainer, conversation designer, or similar role is a significant plus

Why Join Mindrift

Mindrift connects specialists like you with meaningful, short-term AI training projects from major technology companies. You'll gain insight into how AI systems are developed and trained whilst earning up to £60 per hour equivalent, based on your expertise and productivity. Projects typically run 10–20 hours per week during active phases, allowing you to maintain flexibility whilst contributing to the cutting edge of AI development. Your work directly impacts how millions of people will interact with AI-powered customer service in the future.

How to Apply

To apply, complete your application directly on this page, or you'll be redirected to the employer's application platform to finish submitting there.