London Hybrid Employment

Trainline is hiring a Head of Machine Learning Engineering

Responsibilities

  • Define the strategic direction, long-term vision, and roadmap for machine learning within the Core Experience domain, while managing the full budget for cloud resources, tools, and vendor expenses.
  • Lead and develop engineering teams through people managers and technical leads, shaping hiring plans and cultivating a culture focused on technical rigor, experimentation, and consistent delivery.
  • Collaborate with product, engineering, and business units to uncover high-impact use cases and expand the adoption of machine learning across the organization.
  • Oversee end-to-end delivery of ML-powered features in search ranking, payment modeling, fare optimization, supply automation, and conversational AI, ensuring robust deployment and monitoring practices.
  • Establish strong operational standards for ML systems, including service level indicators, incident response, and on-call protocols to improve reliability in production environments.
  • Co-define the operating framework for modern AI capabilities, including large language models, agent-based architectures, evaluation methodologies, and safety controls.
  • Advance governance practices around AI, focusing on data privacy, security compliance, auditability, and ethical deployment as systems scale.
  • Ensure sustainable investment balance between immediate deliverables and foundational platform development.

Work Arrangement

Hybrid — London, Paris, Barcelona, Milan, Edinburgh, Madrid

Other

  • Access to private healthcare and dental insurance benefits
  • Generous work-from-abroad allowance
  • 2-for-1 employee share purchase opportunity
  • Electric vehicle scheme supporting sustainability goals
  • Additional holiday time during festive periods
  • Comprehensive family-friendly policies and support
  • Clear career progression paths with transparent pay bands and individual learning budgets
  • Hybrid working model requiring minimum 60% office presence over a 12-week cycle
  • 28-day work-from-abroad policy available annually
About company
Trainline
Trainline enables millions of travellers to find and book the best value tickets across carriers, fares, and journey options through our highly rated mobile app, website, and B2B partner channels. We collaborate with 270+ rail and coach companies in over 40 countries.
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Job Details
Department Technology, Data
Category data
Posted 2 months ago