LLM Agent Engineer (Freelance, Remote) in Cardiff

LLM Agent Engineer (Freelance, Remote) in Cardiff

Cardiff Freelance 50000 - 70000 € / year (est.) Home office possible
Outlier

At a Glance

  • Tasks: Shape the future of AI agents by providing human feedback and training advanced systems.
  • Company: Outlier, a leader in AI innovation with a focus on collaboration.
  • Benefits: Freelance remote work, flexible hours, and the chance to work on cutting-edge projects.
  • Other info: Dynamic role with opportunities to tackle complex real-world challenges.
  • Why this job: Join us to influence the next generation of autonomous agents and make a real impact.
  • Qualifications: 2+ years in backend engineering or AI automation; strong coding skills in major languages.

The predicted salary is between 50000 - 70000 € per year.

About the Project

Outlier helps the world's most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, coordinate, and optimize complex, real-world architectural workflows.

Whether you are a passionate orchestration guru or experienced software developer — we want you to help us train the world's most advanced generative systems.

Ideal Qualifications

  • 2+ years of experience in backend engineering, AI automation, or complex systems integration.
  • Proven ability to build and maintain production-grade software with modular separation (e.g., distinct services for data parsing, logic processing, and reporting).
  • Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases.
  • Practical experience building for live, non-mocked environments and handling multi-turn system interactions.
  • Outstanding attention to detail and the ability to provide clear, high-density technical feedback on complex system behaviors.

Nice to have

  • Expertise building multi-stage coordination tasks where data acquisition leads to reasoned output.
  • Hands-on experience integrating agents with live tools such as Supabase, Gmail, and various APIs to solve real-world problems.
  • High level of comfort implementing persistent state and session discovery using MEMORY.md to track agent progress.
  • Experience identifying subtle failures like privacy leaks, authority escalation, or indirect prompt injections.

LLM Agent Engineer (Freelance, Remote) in Cardiff employer: Outlier

At Outlier, we pride ourselves on being at the forefront of AI innovation, offering a dynamic and collaborative work environment that empowers our freelance LLM Agent Engineers to make a significant impact. With a strong focus on employee growth, we provide opportunities for continuous learning and development while working remotely, allowing you to balance your professional aspirations with personal commitments. Join us to be part of a team that values creativity, technical excellence, and the drive to shape the future of autonomous agents.

Outlier

Contact Detail:

Outlier Recruiting Team

StudySmarter Expert Advice🤫

We think this is how you could land LLM Agent Engineer (Freelance, Remote) in Cardiff

Tip Number 1

Network like a pro! Reach out to folks in the AI and engineering space on LinkedIn or at meetups. We all know that sometimes it’s not just what you know, but who you know that can land you that freelance gig.

Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those involving LLMs or complex systems. We want to see your hands-on experience, so make sure to highlight any real-world applications you've worked on.

Tip Number 3

Prepare for interviews by brushing up on your technical knowledge. We recommend practising coding challenges and discussing your past projects. Be ready to explain how you’ve tackled multi-turn interactions and integrated various APIs.

Tip Number 4

Apply through our website! It’s the best way to ensure your application gets seen. Plus, we love seeing candidates who take the initiative to connect directly with us. Don’t miss out on the chance to join our innovative team!

We think you need these skills to ace LLM Agent Engineer (Freelance, Remote) in Cardiff

Backend Engineering
AI Automation
Complex Systems Integration
Production-Grade Software Development
Modular Software Architecture
Python
JavaScript

Some tips for your application 🫡

Tailor Your CV:Make sure your CV is tailored to the LLM Agent Engineer role. Highlight your experience in backend engineering and any projects that showcase your skills in AI automation or complex systems integration. We want to see how your background aligns with what we're looking for!

Showcase Your Skills:When writing your application, don't just list your skills—show us how you've used them! Include specific examples of projects where you built production-grade software or worked with major programming languages like Python or JavaScript. This helps us understand your hands-on experience.

Be Clear and Concise:We appreciate clarity! Make sure your application is easy to read and straight to the point. Use bullet points for key achievements and keep your descriptions focused on your relevant experience. This will help us quickly see why you're a great fit for the role.

Apply Through Our Website:Don't forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it gives you a chance to explore more about what we do at StudySmarter and how you can contribute!

How to prepare for a job interview at Outlier

Know Your Tech Inside Out

Make sure you’re well-versed in the programming languages mentioned in the job description, like Python or JavaScript. Brush up on your SQL skills too, as you might be asked to demonstrate your understanding of databases during the interview.

Showcase Your Experience with Real-World Applications

Prepare examples from your past work where you've built production-grade software or handled complex system integrations. Be ready to discuss how you approached multi-turn interactions and what challenges you faced.

Demonstrate Attention to Detail

Since the role requires providing clear technical feedback, think of instances where your attention to detail made a difference. You could mention how you identified subtle failures in previous projects and how you resolved them.

Familiarise Yourself with Autonomous Agents

Research the latest trends in AI agents and be prepared to discuss how you can contribute to projects like OpenClaw. Showing genuine interest in the field will set you apart and demonstrate your passion for shaping the future of AI.