Senior AI / ML Engineer

Company: Fractal
Apply for the Senior AI / ML Engineer
Location: London
Job Description:

Requirements

  • Demonstrated expertise in the full lifecycle of machine learning, from model development, deployment and serving to monitoring and maintenance
  • Proficiency in Python and knowledge of ML libraries/frameworks (e.g., TensorFlow, PyTorch)
  • Experience using ML Training frameworks (e.g., TFX, Kubeflow Pipelines SDK) and Model Serving technologies (eg. Tensorflow Serving, Triton, TorchServe)
  • Experience with high-volume data processing and real-time streaming architectures
  • Strong understanding of recommendation system design and personalisation algorithms
  • Familiarity with Generative AI and its applications in production settings
  • Good communication and analytical problem-solving skills
  • (Desirable) Experience working on OTT platforms
  • (Desirable) Experience in Scala
  • If you like wild growth and working with happy, enthusiastic over-achievers, you’ll enjoy your career with us!

What the job involves

  • Model Development: Design, train, and optimise machine learning models focused on user personalisation, encompassing recommendation engines, ranking algorithms, user segmentation, and content analysis
  • Data Pipeline Engineering: Construct and maintain robust and scalable data pipelines for feature engineering and model training utilising both structured and unstructured large-scale datasets
  • Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance
  • Experimentation: Lead the design and analysis of A/B tests and offline experiments to evaluate model efficacy and support continuous improvement
  • Cross-Functional Collaboration: Engage with multidisciplinary teams to align machine learning initiatives with business objectives and user needs
  • Research & Innovation: Evaluate emerging research in machine learning, deep learning, and personalisation for potential integration within existing systems

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Posted: June 2nd, 2026