AI maturity
scaling
Head of AI/ML
Head of Machine Learning Engineering
Trainline · Travel Tech / Mobility · 📍 London, England, United Kingdom
Trainline is hiring a senior ML engineering leader to own and scale machine learning capabilities powering Europe's largest rail and coach ticketing platform.
Reports to
CTO
Company stage
public
Source
linkedin
Key responsibilities
- Lead and scale the ML engineering team delivering production ML systems across pricing, search, and personalisation
- Define ML platform strategy, tooling, and engineering best practices
- Partner with product, data science, and engineering leadership to align ML roadmap with business priorities
- Drive hiring, talent development, and team structure for ML engineering
- Own end-to-end delivery of ML models from experimentation to production
Requirements
- Proven leadership of ML engineering teams in a production environment
- Deep experience with ML systems at scale (model deployment, MLOps, feature engineering)
- Track record shipping ML-powered products with measurable business impact
- Strong engineering fundamentals (Python, distributed systems, cloud infrastructure)
Signals
- ⚠ No salary or compensation range disclosed
- ⚠ No job description body provided — full scope unverifiable
- ⚠ No previous posting history to assess role stability or churn
- ✓ Trainline is a publicly listed, profitable tech company with real ML use cases at scale
- ✓ London HQ with likely hybrid flexibility is attractive for senior talent
- ✓ Travel data at Trainline's volume (100M+ trips/year) provides genuine ML depth
- ✓ ML engineering leadership hire signals investment in scaling AI capability, not just research