ASOS

Senior Machine Learning Engineer (Recommendations/Search)

ASOS
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5 hours ago
London, United KingdomSenior

Responsibilities

  • Design, build, and operate production machine learning systems for outfit discovery and personalised fashion experiences.
  • Deploy and optimise batch and real-time machine learning models serving millions of customers.
  • Build systems supporting recommendations, personalisation, retrieval, ranking, and AI-driven fashion discovery.
  • Improve performance, reliability, observability, and scalability across the machine learning lifecycle.
  • Partner with Machine Learning Scientists, Software Engineers, and Product Managers to deliver production systems.
  • Contribute to technical design, architecture decisions, engineering practices, and shared machine learning capabilities.
  • Mentor and coach engineers and share knowledge across the wider machine learning community.

Requirements

  • Experience designing, building, and deploying machine learning systems in production environments.
  • Strong understanding of machine learning engineering principles and modern software engineering practices.
  • Hands-on experience with deep learning frameworks such as PyTorch, TensorFlow, or similar.
  • Experience training and optimising models with large datasets and distributed compute infrastructure.
  • Experience with recommendation systems, ranking, retrieval, personalisation, or related machine learning domains.
  • Knowledge of MLOps practices, including model deployment, monitoring, and lifecycle management.
  • Experience building reliable, observable, and scalable services in cloud environments.
  • Ability to provide technical leadership and mentoring to other engineers.
  • Strong collaboration and communication skills in cross-functional product teams.
  • Curiosity about emerging AI technologies and practical applications of LLMs and generative AI in customer-facing products.

Benefits

  • Employee discount and access to employee sample sales.
  • 25 days of paid annual leave plus an additional celebration day.
  • Discretionary bonus scheme.
  • Private medical care scheme.
  • Flexible benefits allowance that can be taken as extra cash or used toward other benefits.
  • Personalised learning and in-the-moment development experiences.

Tech Stack

PyTorchTensorFlow

Categories

ASOS

About ASOS

1,001-5,000 employees

ASOS is a global online fashion and beauty retailer for 20‑somethings, selling own‑brand and third‑party labels via its website and mobile apps. The company earns revenue from direct‑to‑consumer e‑commerce, shipping to customers worldwide and offering marketplace services for brands. Founded in 2000 and headquartered in London, ASOS is a public company listed on the London Stock Exchange and runs in‑house content and fulfillment operations at scale.

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