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Snr Machine Learning Engineer - Client facing - 12 months FTC @ Xantura

London, England, GBOnsiteFull-time
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About this role

The Machine Learning Engineer role sits within Client Delivery, embedded in the Data & Analytics Consulting (DACs) team. A technical, client‑facing group of Data Scientists and ML Engineers responsible for building and operationalising advanced machine learning and AI This is a 12 months contract with potential to become a perm role afterwards.

  • Machine learning and AI engineering Design, train and optimise predictive models (gradient boosted trees, temporal and embedding-based models), with reproducible training, evaluation and monitoring pipelines.
  • Productionise models to run reliably at scale in client environments.
  • Build and integrate LLM components (embedding pipelines, RAG, agentic systems) and NLP models for extraction, classification and risk prediction.
  • Data engineering Own versioned, validated data flows for modelling and inference, including schema design and SQL optimisation for large training and scoring workloads.
  • Extract data from client source systems and build cohort logic that is accurate and interpretable.
  • Technical delivery Lead the modelling and data engineering components of client projects alongside DACs and Business Consultants, resolving complex modelling and pipeline issues.
  • Configure OneView components linked to modelling outputs (risk logic, summaries, scoring pathways) and feed engineering improvements back into the platform.
  • Knowledge sharing and technical leadership Act as SME for machine learning and AI within DACs.
  • Mentor DACs on Python, modelling practice and debugging.
  • Produce documentation, templates and reusable components that raise delivery standards.

Skills

Machine LearningPythonSQLgradient boosted treesembedding-based modelsLLM componentsRAGagentic systemsNLP modelsData EngineeringDatabase Schema Design

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