Senior Applied AI Engineer - Build & Optimize LLM Pipelines

Senior Applied AI Engineer - Build & Optimize LLM Pipelines

Full-Time 65250 - 79750 £ / year (est.) No working from home possible
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At a Glance

  • Tasks: Own and optimise LLM pipelines from research to report generation.
  • Company: Fast-paced AI startup in Greater London with a focus on innovation.
  • Benefits: Competitive salary, flexible work environment, and opportunities for professional growth.
  • Other info: Join a dynamic team where your contributions truly matter.
  • Why this job: Make a real impact by shaping the future of AI solutions.
  • Qualifications: Experience in AI engineering and a passion for cutting-edge technology.

The predicted salary is between 65250 - 79750 £ per year.

Xapien is seeking a hands-on AI engineer/researcher in Greater London to own parts of the pipeline end-to-end—from LLM research agents to report generation.

You will design evals, optimize for accuracy, speed and cost, and drive improvements.

You'll thrive in a fast-moving startup, ship production systems, and shape what comes next with high ownership.

The role focuses on real customer value, prompt engineering, and building trust through robust, scalable AI solutions.

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Senior Applied AI Engineer - Build & Optimize LLM Pipelines employer: Xapien

At Xapien, we pride ourselves on being an exceptional employer, particularly for the Field Operations Support Associate role based in our vibrant Moorgate office. Our collaborative work culture fosters innovation and growth, offering unlimited holidays, private health insurance, and a generous professional development fund to support your career aspirations. Join us to be part of a fast-growing company that values your contributions and empowers you to make a meaningful impact in the world of AI-driven due diligence.

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Contact Details:

Xapien Recruitment Team

We think you need these skills to ace Senior Applied AI Engineer - Build & Optimize LLM Pipelines

LLM Research
Pipeline Design
Evaluation Design
Optimisation for Accuracy
Optimisation for Speed
Cost Optimisation
Production System Deployment