Key Facts

Remote From:

Portugal , United Kingdom

Category: Software Engineer

Freelance

English

Hard Skills

Software Architecture Technical Leadership Program Standards Software Development Programming Languages User Feedback

Other Skills

•
Problem Solving
•
Analytical Thinking
•
Detail Oriented
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Virtual Collaboration

Roles & Responsibilities

Experienced Principal Software Engineer
Strong background in software architecture and development
Deep understanding of multiple programming languages
Analytical and detail-oriented

Requirements:

Review and refine AI-generated outputs related to software engineering
Assess the accuracy and practicality of AI-driven recommendations
Develop real-world case studies and technical scenarios
Identify and articulate gaps or risks in AI recommendations

10x Team

About 10x Team

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 **

Founded: 2018

Company size: 11 - 50

Website LinkedIn See all jobs →

Job description

Updated: 02 June 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 applying, you’ll receive an email detailing the steps to:

⁠Complete a short written assessment
Participate in an AI-powered interview

Important: Your application is only complete once you finish all steps via the email link.

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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