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Senior AI/ML Engineer – LLM & RAG Pipeline Development

Hays Specialist Recruitment Limited · Guildford

Senior 85,000 - 125,000 GBP/year 🇬🇧 English

Job description

About the role

We are looking for a Senior AI/ML Engineer to design, build and deploy large‑language‑model (LLM) applications and Retrieval‑Augmented‑Generation (RAG) pipelines in a production environment. The role sits between advanced AI research and production‑grade software engineering, helping to embed AI capabilities into an established product suite.

Key responsibilities

  • Design and implement end‑to‑end LLM‑based solutions, from prototype to scalable deployment.
  • Develop and maintain RAG pipelines that combine structured, unstructured and streaming data.
  • Integrate models with existing services using containerisation and CI/CD practices.
  • Collaborate with product and engineering teams to ensure AI features meet performance and reliability standards.
  • Contribute to AI best‑practice guidelines within the R&D department.

Required profile

  • Master’s or PhD in a STEM or Computing discipline.
  • 3+ years of hands‑on experience designing, building and deploying LLMs.
  • Proven ability to work full‑time onsite in Guildford.
  • Strong problem‑solving skills and experience delivering AI solutions at scale.

Required skills

  • Python programming.
  • Deep learning frameworks such as PyTorch or TensorFlow.
  • LLM libraries (e.g., Hugging Face Transformers).
  • Retrieval‑Augmented‑Generation pipeline development.
  • Containerisation with Docker and orchestration with Kubernetes.
  • CI/CD pipelines and version control (Git).
  • Cloud platforms (AWS, GCP or Azure).
  • SQL and basic data‑engineering concepts.

What we offer

  • Salary £85,000‑£125,000 per year.
  • 25% performance bonus.
  • 10% pension contribution.
  • Private medical insurance.
  • Opportunities for leadership progression as the team expands.

Questions fréquentes

Le salaire proposé pour ce poste est de 85-125k GBP par an. Le détail figure dans l'annonce.
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Hays Specialist Recruitment Limited

Guildford