AI Engineer

🔒 Confidential Employer
Posted 21 March 2026
LOCATION
London
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
Technology
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Python Machine Learning NLP SQL NoSQL Cloud Architecture

FULL DESCRIPTION

As an AI Engineer, you will drive the development and continuous improvement of our AI/ML-powered products, including recommender systems, NLP solutions, and LLM-driven features.

Role Overview

As an AI Engineer, you will drive the development and continuous improvement of our AI/ML-powered products, including recommender systems, NLP solutions, and LLM-driven features.

Key Responsibilities

  • Develop, improve and productionise AI/ML and LLM-based features for our internal and external platforms to solve challenges like:
    • High cardinality hierarchical classifications
    • Personalised content filtering of legal documents
    • Using ML/LLMs to network heterogenous text data at scale
    • Building agent-ready tools to leverage insights from our knowledge graph
  • Leverage cloud architecture (primarily Azure) to deploy interpretable ML/DL solutions that scale efficiently.
  • Collaborate with SMEs to ground research proposals to [Employer hidden — view at passion-project.co.uk]’s dynamic, unstructured, high-dimensional data.
  • Continuously seek opportunities to innovate, learn, and apply the latest research to new products and services.

Requirements

Experience & Technical Skills:

  • At least two years of professional experience in AI/ML, ideally within the NLP domain.
  • Solid understanding of statistical and machine learning techniques with ability to select models that best suit the problem at hand.
  • Ability to write clear, robust, and testable code in Python.
  • Confident using SQL and NoSQL/graph databases.
  • Solid understanding of data structures, data modelling, and software architecture, especially cloud-based.

Mindset & Approach:

  • A systems thinking approach with ability to think in O(n) as much as plan product orchestration.
  • An engineer who can keep up with mathematically and statistically-oriented colleagues.
  • Natural creativity with a track record of exploring innovative use cases of data and applications of statistical/ML methods.
  • Strong communication skills, capable of explaining complex technical concepts to employees across the business.

Desirable:

  • Experience building and deploying LLM-based agentic solutions into production.
  • Solid understanding of recommender system principles and how they work.
  • Demonstrated proficiency through GitHub profiles/online portfolios, Stack Overflow or Kaggle contributions.
  • Experience or interest in neurosymbolic AI.
  • A healthy sense of humour, or short of this, a high weekly rate of Machine Learning puns.

If you are passionate about leveraging technology to transform regulatory compliance and meet the qualifications outlined above, we invite you to apply. Please submit your resume detailing your relevant experience and interest in [Employer hidden].​

Sign up free — access 45,000+ UK sponsor-licensed jobs