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Principal Software Engineer - AI Trainer - Freelance - 8-20hrs/week - Remote at 10x Team. Remote Location: Germany. Updated: 19 May 2026. Freelance | 8–20 hrs/week | Remote (EU/UK). Principal Software Engineer – AI Trainer – Freelance – 8–20 hrs/week – Remote (EU/UK).  . Freelance | 8–20 hrs/week | Remote (EU/UK).  . Are you an accomplished Principal Software Engineer passionate about shaping the future of artificial intelligence? Join 10x Team as a Freelance Principal Software Engineer – AI Trainer and leverage your technical expertise to enhance advanced AI models, all while enjoying the freedom of remote, project-based work..  . About Us:. 10x Team connects top independent professionals with leading AI labs to drive artificial intelligence advancement. We are looking for skilled software engineers based in the EU or UK to contribute to the training of AI systems in software architecture, engineering best practices, and technical problem-solving..  . Key Responsibilities:. Review and refine AI-generated outputs related to software engineering, system architecture, and coding standards. Assess the accuracy and practicality of AI-driven recommendations on software design, testing, and implementation. Develop real-world case studies and technical scenarios from your professional experience. Create scenario variations covering software development lifecycle, technical challenges, and industry best practices. Identify and articulate gaps or risks in AI recommendations, providing clear, structured feedback. Influence how AI systems interpret and apply engineering principles and coding standards.  . About You:. Experienced Principal Software Engineer with a strong background in software architecture, development, and technical leadership. Based in the EU or UK. Deep understanding of multiple programming languages, architectural patterns, and software development best practices. Analytical and detail-oriented, capable of delivering actionable, structured feedback. Available 8–20 hours per week and comfortable with remote, asynchronous collaboration.  . Why Join 10x Team?. Flexible, project-based freelance assignments – 100% remote. Help shape how AI systems understand and apply software engineering principles. Access ongoing professional development through the 10x Team AI Academy. Supportive community of independent experts with clear briefs and streamlined onboarding.  . How to Apply:. After submitting your application, you’ll receive an email with next steps:. Complete a brief written assessment. Participate in an AI-powered interview. Complete compliance and credentials verification.  . Important: Your application is only complete once you finish all steps via the email link. These are ongoing freelance opportunities and project assignments are matched based on expertise, availability, and AI Lab needs.. Please note: these AI Lab missions are not traditional job openings with fixed start dates. Project demand is highly dynamic and matching depends on your expertise, availability, and current AI Lab needs. Some experts are matched within days, while others may wait longer for a suitable project..  . Step into the future of AI-powered software engineering – apply today!. #LI-TT1