Senior Manager, Machine Learning Science

Expedia, Inc.; Greater London; Hybrid; GBP 120,000 - 180,000; Full time

Job summary

Expedia Group is seeking a Senior Manager, Machine Learning Science in London to lead a diverse team of data scientists and ML engineers across content-related AI initiatives. You will define goals, guide model development, and work with product and engineering to deliver scalable content AI capabilities that improve user and partner value.

The role requires 4-5+ years of leadership in ML/AI, a strong coding foundation (Python/Scala/Java, SQL), and a principled approach to experimentation,

Qualifications

• 4-5+ years of people leadership experience managing ML/AI teams.
• Master’s degree in computer science, machine learning, statistics or related field; or equivalent experience.
• Significant experience in ML science including supervised/unsupervised learning, evaluation, generalization, and experimentation.
• Experience delivering end-to-end ML solutions from problem definition to production integration.

Responsibilities

• Lead and coach a high-performing, diverse ML team across locations.
• Set team goals, priorities, and operating rhythms aligned with strategy.
• Drive end-to-end ML delivery across content generation, moderation, quality and relevance.

Skills

People leadership

Machine learning

Python

SQL

Stakeholder management

Education

Master’s degree in CS/ML/Statistics

Tools

SQL

Scala

Java

Job description

## Senior Manager, Machine Learning ScienceApply: UK - London: Full time: Posted Today: End Date: November 13, 2026 (29 days left to apply): R-110429At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business. Here, you'll do meaningful work that helps millions of people discover, book, and experience travel with more ease, confidence, and joy. Our five Behaviors-Traveler First, Think Big, Operate with Excellence, Ownership Mindset, and Succeed Together-help foster a supportive environment where people can grow their careers and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere.Expedia Technology teams’ partner with our Product teams to create innovative products, services, and tools that deliver high-quality experiences for travellers, partners, and employees. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that build loyalty and traveller satisfaction. The Content AI team develops content intelligence capabilities that can be leveraged across Expedia Group. The team works across textual, video, and image content. As Senior Manager, Machine Learning Science, you will lead work across the Content AI charter: content generation, content moderation and quality, and content relevance. You will help create a scalable capability that matches accurate, grounded content to travellers and enables partners to shape and improve their content. **In this role, you will:*** Manage, coach, and develop a high-performing, inclusive team of data scientists and machine learning engineers across locations.* Set team goals, OKRs, technical priorities, and operating rhythms aligned with organizational strategy.* Lead delivery across the Content AI charter, spanning content generation, content moderation and quality, and content relevance.* Guide development and adoption of end-to-end machine learning solutions across textual, video, and image content, with potential expansion into speech.* Develop accurate, relevant, grounded and non-hallucinating content AI capabilities that helps shape traveller and partner value across Expedia Group.* Apply effective stakeholder management across Product, Engineering, senior leadership, and cross-functional partners.* Optimize delivery through iterative execution, clear decision-making, effective processes, and a focus on measurable outcomes.* Bring an engineering mindset to machine learning work by promoting maintainable, modular, scalable, and production-aware solutions.* Communicate technical concepts, progress, insights, and recommendations clearly to varied audiences.* Build team practices that support feedback, knowledge sharing, professional development, recruiting, performance management, and career growth. **Experience and Qualifications:** Required* 4-5+ years of people leadership experience managing Machine Learning Scientists, Applied Scientists, Data Scientists, or multidisciplinary AI/ML teams.* Master’s degree in computer science, machine learning, statistics, mathematics, or a related technical field; or equivalent related professional experience.* Significant experience in machine learning science, including supervised and unsupervised learning, model evaluation, generalization, robustness, and experimentation.* Experience delivering end-to-end machine learning solutions, from problem definition and data preparation through feature engineering, modelling, evaluation, and production integration.* Experience managing and developing data scientists or machine learning engineers, including recruiting, coaching, performance management, and career development.* Experience with Python, Scala, Java, or another major machine learning language, plus SQL.* Demonstrated stakeholder management, prioritization, delivery optimization, communication, influencing, and problem-solving skills.* An engineering mindset, including knowledge of software design principles, modular code, maintainability, and scalability.* Familiarity with large language models and willingness to learn across content areas and modalities.* Experience translating business objectives into practical, iterative, and cost-aware technical approaches. Preferred* PhD in a relevant technical field.* Familiarity with LLMOps model inference, and machine learning platform capabilities.* Experience with GenAI, LLM fine-tuning, golden dataset construction, evaluation metric definition, multimodal retrieval, embeddings, quantization, or LLM decoder architecture optimization.* Experience with recommender systems or reinforcement learning.**Accommodation requests**Expedia Group is committed to providing an inclusive and accessible recruiting experience. If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at https://expedia.service-now.com/askeg?id=job\\_accommodation.