Principal Software Engineer - AI Trainer - Freelance - 8-20hrs/week - Remote
Posted about 1 month ago
Updated: 26 May 2026
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
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!
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10x.team is the ultimate fractional and freelance platform for top-tier professionals who deliver 10x outcomes. We partner with ambitious companies and leading AI labs to deploy elite execution talent into high-impact missions; strengthening frontier AI models with real-world human expertise, structured reasoning, and professional judgment. AI doesn’t improve with more data. It improves with better expertise. We curate excellence. We prioritize outcomes. We move fast. * Ambitious: Built for scale. Works while you sleep. Data at its core. * Caring: Gives every candidate a fair shot - on their time, not ours. * Brave-hearted: Where others replace humans, we make them unstoppable. We don't automate people out of hiring. We supercharge them. Built for humans. Powered by AI. Based on Trust: EU-compliant & privacy by design. ** Top 100 hottest Europan startup Wired ** Featured in MT Sprout, Dutch Financial Times, De Financiele Telegraaf **
Key team members
Sylvain Liege , PhD
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