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AI Engineer - Job Specification
Location : London
Position Overview
We are seeking a highly skilled AI Engineer with proven expertise in developing and deploying advanced machine learning and large language model (LLM) solutions that drive measurable business impact. This role requires hands-on experience building AI models and automation pathways across diverse use cases including finance forecasting, energy optimization, predictive maintenance, supply chain planning, and commercial transformation, leveraging modern cloud-based AI platforms.
Your client impact
1. Develop, and deploy end-to-end machine learning models for complex business problems across forecasting, optimization, and prediction domains
2. Build and fine-tune large language models (LLMs) for enterprise applications including document intelligence, conversational AI, and decision support systems
3. Deep understanding of solving data science and AI enabled problems in supply chain, finance, commercial or operations domain or AI agents with reasoning capabilities using LLMs
4. Adapt to a wide range of technical challenges across technologies to design a solution applicable to the business issue
5. Translate business requirements into technical AI/ML features, model selection, architecture decisions
6. Conduct exploratory data analysis and communicate insights
7. Collaborate with data engineers, architects, and business analysts on integrated solutions
8. Build feature engineering pipelines and automated data preparation workflows
9. Design AI solutions for commercial transformation including pricing optimization, customer segmentation, and revenue management
10. Develop scalable AI/ML pipelines on Databricks, Azure Machine Learning, and/or Snowflake platforms
11. Contribute to proposals and technical assessments for new opportunities and internal knowledge transfer
Essential Qualifications
12. Degree or equivalent certification in Computer Science, Data Science, Statistics, Mathematics, Engineering, or related quantitative field
Essential Criteria
13. Proven experience building and implementing LLM-based solutions (GPT, Claude, Llama, Mistral, or similar)
14. Hands-on experience with at least one of: Databricks (MLflow, AutoML), Azure Machine Learning, or Snowflake (Snowpark ML, Cortex)
15. Understanding of natural language processing, computer vision, and recommender systems
16. Strong programming skills in Python, SQL and proficiency with ML libraries (scikit-learn, pandas, NumPy, XGBoost, LightGBM)
Soft skills
17. Strong analytical and problem-solving mindset with attention to detail
18. Ability to work independently and drive projects from ambiguous requirements
19. Story telling with data and insights from the outputs
20. Consulting skills, supporting development of presentation decks and communication
Preferred Criteria
Experience or knowledge covering at least one of the following areas:
21. Deep understanding of machine learning algorithms including supervised, unsupervised, and reinforcement learning approaches
22. Strong proficiency in statistical modelling, time-series forecasting, and predictive analytics
23. Experience with deep learning frameworks (TensorFlow, PyTorch, Keras)
24. Knowledge of prompt engineering, RAG (Retrieval Augmented Generation), and LLM fine-tuning techniques
25. Familiarity with distributed computing frameworks (eg Spark)
26. Knowledge of graph neural networks, reinforcement learning, or causal inference
27. Experience with AI governance, model risk management, and regulatory compliance
28. Experience using Pro code and Low code tools such as LangGraph, AutoGen, Semantic Kernal and MS CoPilot
29. Experience in any of the following:
30. Finance Forecasting: Revenue prediction, cashflow modelling, financial planning, risk modelling
31. Energy Optimization: Load forecasting, grid optimization, demand response, renewable energy prediction
32. Predictive Maintenance: Equipment failure prediction, anomaly detection, remaining useful life estimation
33. Supply Chain Planning: Demand forecasting, inventory optimization, logistics planning, procurement analytics
34. Commercial Transformation: Price optimization, customer lifetime value, churn prediction, marketing mix modelling
Preferred Qualifications
35. Certifications such as:
36. Databricks Certified Machine Learning Professional
37. Azure AI Engineer Associate or Data Scientist Associate
38. SnowPro Advanced: Data Scientist
39. AWS Certified Machine Learning - Specialty
AI&Data2026
EY | Building a better working world
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