Head of AI/ML
Head of Machine Learning Engineering
Trainline · Travel Tech / Mobility · 1000-2000 employees · 📍 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.
AI Maturity
scaling
Reports To
CTO
Why Role Exists
Expansion
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