Machine Learning Engineer at Xantura | GB | Rezi

Machine Learning Engineer at Xantura

Machine Learning Engineer

Xantura · GB

1 months ago

Machine Learning Engineer

Xantura · GB

a month ago
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About the Role

In this role, you will work in the Platform team, responsible for the deployment and evolution of the backend platform that underpins the core of the Xantura business.

Responsibilities

  • Own and advance a predictive modelling platform that scales across problem types and tenants.
  • Design, implement, and iterate models (embedding-based sequence encoders, temporal survival models, gradient-boosted decision trees) to predict key vulnerabilities in housing, health, and other social domains.
  • Track developments in ML and frontier models, running structured experiments to bring promising techniques into production safely.
  • Build robust evaluation pipelines, training datasets, and model infrastructure to support continuous improvement of natural language & predictive analytics.
  • Ensure responsible AI deployment, embedding ethical and regulatory considerations into every stage of development.

Requirements

  • Bachelor’s or Master’s degree in Computer Science, Machine Learning, or a related technical field – or equivalent practical experience.
  • 3+ years of professional experience as an ML Engineer, or related role.
  • Strong programming skills and production experience in Python.
  • Experience building and maintaining data or ML pipelines with an orchestration tool such as Dagster (or Airflow, Prefect, etc.).
  • Hands-on experience with common ML libraries and frameworks, e.g. PyTorch, scikit-learn, and gradient-boosting libraries such as XGBoost or LightGBM.
  • Clear evidence of practical experience defining and deploying containerised systems.
  • Implementing APIs for internal services, e.g. via FastAPI.
  • Deploying containerised systems to production, in particular via Kubernetes.

Skills

  • Python
  • Dagster
  • Airflow
  • Prefect
  • PyTorch
  • scikit-learn
  • XGBoost
  • LightGBM
  • FastAPI
  • Kubernetes
  • PhD in Computer Science, Machine Learning, or a related field with a strong publication record in text analytics, representation learning, or applied predictive modelling.
  • Productionising LLMs
  • Working with vector databases
  • Developing retrieval-augmented generation (RAG) pipelines
  • Huggingface (transformers)
  • OpenAI APIs
  • Building agentic systems (e.g. via LangChain, AutoGen, PydanticAI)
  • Participating in Open-Source Software (OSS) development
  • Public hackathons
  • Sharable coding samples
  • Embedding-based architectures
  • Building and serving production-ready, asynchronous APIs
  • High-performance data and model pipelines
  • Strong software engineering discipline (testing, versioning, CI/CD)
  • Azure ecosystem (Azure Kubernetes Service, Azure Batch, Azure AI Foundry, Azure Machine Learning, Azure Blob Storage, Azure Key Vault)

Location

  • London

Work Type

  • Permanent - Full Time
  • Hybrid

Experience Level

  • 3+ years of professional experience

Education Level

  • Bachelor’s or Master’s degree in Computer Science, Machine Learning, or a related technical field – or equivalent practical experience.

Benefits

  • Competitive salary reviewed annually
  • Work for a passionate, mission-driven company solving society’s big problems
  • Work flexible hours around life commitments with a focus on delivering company value rather than hours worked
  • Training and development opportunities
  • 25 days annual leave (plus bank holidays)
  • Company pension
  • Private medical insurance
  • Generous enhanced parental leave policies
  • Cycle to work scheme
  • Flu Vaccinations
  • Eye Test and contribution towards Glasses for VDU use
  • Employee Assistance Programme
  • Mental health and wellbeing support
  • Remote GP access
  • Counselling/therapy
  • Physiotherapy
  • Medical second opinions