Principal Software Engineer - AI Trainer - Freelance - 8-20hrs/week - Remote

10x Team; Portugal; Remote; EUR 83,000 - 165,000; Part time

Benefits offered by this job

100% remote

Flexible hours

AI Academy access

Onboarding support

Job summary

10x Team is seeking a Freelance Principal Software Engineer – AI Trainer to shape AI-assisted software engineering outputs. This remote, project-based role is open to professionals in the EU or UK, with 8–20 hours per week of flexible, asynchronous work.

You will leverage your architectural leadership to improve AI models and provide expert feedback. Join a network of independent experts, work 100% remotely, and contribute to practical AI-driven case studies and scenarios in software

Qualifications

• Experienced Principal Software Engineer with a strong background in software architecture, development, and leadership.
• Deep understanding of programming languages, architectural patterns, and best practices.
• Ability to deliver structured, actionable feedback on AI-assisted outputs.

Responsibilities

• Review and refine AI-generated outputs related to software engineering and architecture.
• Assess accuracy and practicality of AI-driven recommendations on design, testing, and implementation.
• Develop real-world case studies and technical scenarios from professional experience.
• Create scenario variations covering the software development lifecycle and industry best practices.
• Identify gaps or risks in AI recommendations and provide structured feedback.
• Influence how AI systems interpret and apply engineering principles and coding standards.

Skills

Software architecture

Technical leadership

Multiple languages

Analytical thinking

Remote collaboration

Job description

Updated: 07 July 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