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Machine Learning Engineer (LLMs & AI Agents)

Machine Learning Engineer (LLMs & AI Agents)

On site

London, United kingdom

Junior

Freelance

20-09-2025

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Skills

Python Data Mining SAP Monitoring Research Machine Learning PyTorch TensorFlow Marketing Recruitment Large Language Models Digital Marketing

Job Specifications

We're hiring: Machine Learning Engineer (LLMs & AI Agents)

We're looking for a hands-on Machine Learning Engineer to help design, deploy, and optimise the next generation of AI agents powered by large language models (LLMs).

This is your chance to work at the cutting edge of generative AI - turning research into production-ready systems that make a real business impact.

What you'll be doing

Designing and deploying LLM-powered agents end-to-end - from research to production.
Developing tools, frameworks, and annotation workflows to refine agent behaviour.
Defining what "production-quality code" means for LLMs and teaching agents to meet that bar.
Running A/B tests, evaluation pipelines, and latency optimisation to ensure reliability at scale.
Collaborating with researchers to identify failure modes and create robust solutions.

What we're looking for

2+ years' hands-on experience in ML/AI (recommendation systems, data mining, or similar).
Proven track record of building or deploying GenAI/LLM systems into production.
Strong Python skills, with experience in PyTorch or TensorFlow.
Understanding of MLOps practices (evaluation, monitoring, scaling).
Master's (or equivalent experience) in Computer Science, AI, ML, or related field.

Bonus points for: experience designing annotation schemas, Kaggle Master credentials, or published research.

Ready to help shape the future of LLM agents? Apply now and join us at the frontline of AI innovation.

Send your CV to kacey.norris@experis.co.uk for immediate consideration.

People Source Consulting Ltd is acting as an Employment Business in relation to this vacancy. People Source specialise in technology recruitment across niche markets including Information Technology, Digital TV, Digital Marketing, Project and Programme Management, SAP, Digital and Consumer Electronics, Air Traffic Management, Management Consultancy, Business Intelligence, Manufacturing, Telecoms, Public Sector, Healthcare, Finance and Oil & Gas.

About the Company

Experis is a global leader in IT professional resourcing, project solutions and managed services. As the need for IT skills accelerates, we help organisations transform their digital infrastructure, enterprise applications, cloud and cyber security. Through Experis Academy, we deliver the powerful combination of in-demand technical skills together with the soft skills that are critical for business success. Experis is part of ManpowerGroup, a Fortune 500 Global Business and world leader in innovative workforce solutions. Know more