Senior ML Engineer - Personalisation at Scale

ASOS; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Employee discount (ASOS discount)

Employee sample sales

25 days paid annual leave + extra day

Discretionary bonus

Private medical care scheme

Flexible benefits allowance

Job summary

ASOS is hiring a Senior Machine Learning Engineer to join our Personalisation squad. You’ll design, build and run ML systems that help customers discover outfits reflecting their personal style and current fashion trends.

Work closely with engineers, data scientists and product partners to productionise ML at scale, deploying batch and real‑time models and contributing to the design of new features and capabilities.

Qualifications

• Professional experience applying machine learning in real-world production environments with a focus on deep learning techniques.
• Experience working with recommendation or ranking systems.
• Familiarity with modern deep learning frameworks and distributed computing approaches for training large-scale models.
• Experience training models across GPUs using data and/or model parallelism.
• Solid understanding of software engineering principles including data pipelines, CI/CD, containerisation and observability, with exposure to MLOps practices and tooling.
• Comfortable providing technical guidance, mentoring and support to less-experienced engineers.
• Enjoy collaborating across teams and contributing to shared engineering initiatives.

Responsibilities

• Working as part of an agile, cross-functional team to build and improve algorithms used in pricing and customer targeting.
• Collaborating with scientists and engineers to implement and deploy machine learning solutions at scale, supporting hundreds of millions of products and customers.
• Deploying and maintaining both batch and real-time machine learning models in production environments.
• Improving and evolving our codebase, tooling and platforms, and contributing to the design of new features and capabilities.
• Supporting and mentoring more junior team members, helping them develop their technical skills and confidence.
• Contributing to technical direction, helping define machine learning standards, and sharing knowledge across ASOS’s wider ML and engineering community.

Skills

Deep learning

Production ML

Recommender systems

GPU training

CI/CD

Mentoring

Collaboration

Tools

Docker

Kubernetes

CI/CD tooling

Job description

ASOS is hiring a Senior Machine Learning Engineer to join our Personalisation squad. You’ll design, build and run ML systems that help customers discover outfits reflecting their personal style and current fashion trends.

Work closely with engineers, data scientists and product partners to productionise ML at scale, deploying batch and real‑time models and contributing to the design of new features and capabilities.