Principal software engineer Work, Jobs in Three Rivers (with Salaries)

Principal Software Engineer - AI Trainer - Freelance - 8-20hrs/week - Remote
10x Team —London
- £93 - £159 an hour
- Remote
- Software development
- AI
Quick apply
Principal Software Engineer
Northrop Grumman —London
- £80,200 - £120,400 a year
- DevOps
- Travel
- Mentoring
- Relocation assistance
Principal Software Engineer
Durlston Partners —London
- £150,000 - £260,000 a year
- Computer Science
- Mentoring
- Software development
Principal Software Engineer
AALTO —Farnborough
- Full-time
- Mentoring
- Python
- Employee assistance programme
- Employee discount
Quick apply
7d
Principal Software Engineer
Codurance —London
- £100,000 - £125,000 a year
- Full-time
- Hybrid work
- Travel
- Mentoring
- Software development
- Employee assistance programme
Quick apply
Senior/Principal Software Engineer
Gemba Advantage —London
- £70,000 - £100,000 a year
- Hybrid work
- Java
- AWS
- Software development
Quick apply
Principal Software Engineer
WeBuild-AI —London
- Hybrid work
- Mentoring
- Software development
- AI
Quick apply
Principal Software Engineer
Simple Machines —London
- Full-time
- Hybrid work
- Agile
Quick apply
Principal Software Engineer- Data Platforms
IDBS —Woking
- Full-time
Principal Software Engineer
CV Library —Fleet
- Full-time
- Hybrid work
- Mentoring
- Communication skills
Quick apply
Principal Software Engineer - Product Platforms
AlphaSense —London
- Remote
- Mentoring
- APIs
- AI
Principal Software Engineer - UK (Remote)
DISCO —Reading
- Remote
Principal Software Engineer, FDE
Microsoft —London
- £93,500 - £161,800 a year
- Full-time
- Computer Science
- Master's degree
- Bachelor's degree
11d
Principal Python Software Engineer
CBOE —London
- Full-time
- Computer Science
- Java
- Mentoring
- Employee stock purchase plan
- Employee assistance programme
Principal Software Engineer - UK
DISCO —London
- Remote
Principal Software Engineer
Collinson —London
- Hybrid work
- Salesforce
- AWS
- Mentoring
Principal Software Architect
Appvia —London
- £80,000 - £100,000 a year
- Full-time
- Hybrid work
- Java
- AWS
- JavaScript
- Employee assistance programme
- Flexible schedule
Quick apply
Principal Software Engineer - C#
TP ICAP —London
- Full-time
- Computer Science
- Engineering
- Mentoring
Principal Software Engineer (DevSecOps)
Leonardo UK Ltd —Luton
- Full-time
- Hybrid work
- Computer Science
- Engineering
- Software development
Principal Product Engineer (Software)
Automata —London
- AI
- Employee assistance programme

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

10x Team
London

Quick apply

Job details

Fixed term contract
£93 - £159 an hour

Qualifications

Software development
AI
Software development or architecture experience
Software architecture

Full 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

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!

NOTE

At 10x, there are two types of opportunities:

1. Traditional freelance missions
These are regular project-based opportunities where the listed mission is the actual project you may work on.

2. AI Lab roles
For AI Lab roles, we scout, review, and approve profiles for access to future project opportunities.

The missions listed for AI Lab roles are not traditional job openings. AI Lab work is often highly confidential as this exposes information of what an AI Lab is working on, and project requests are unpredictable. When an AI Lab request comes in, we often need to respond within 24 hours with suitable talent.

Matching depends on the specific needs of each AI Lab project and your niche expertise. Once your profile is reviewed and approved, you may be matched to relevant AI Lab projects when suitable opportunities arise.

This can happen within hours, but it may also take months, depending on the researchers at the AI labs and their project needs.

Quick apply

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

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