Senior ML Engineer - Personalised Recommendations & Search

Asos; England; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Employee discount

Sample sales

25 days annual leave

Discretionary bonus

Private medical care

Flexible benefits allowance

Learning opportunities

Job summary

ASOS is seeking a Senior Machine Learning Engineer to join our Search and Recommendations team, building AI-powered fashion experiences and personalised outfits across the customer journey. You’ll work with ML Scientists, Software Engineers and Product Managers to deploy models and scale production ML systems for millions of customers.

You will help advance recommendations, personalisation and AI-driven fashion discovery, while improving performance, reliability and observability across the ML

Qualifications

• Experience designing, building and deploying ML systems in production environments.
• Strong ML engineering and software engineering practices.
• Hands-on experience with PyTorch, TensorFlow or similar.
• Experience training and optimising models using large datasets and distributed compute infrastructure.
• Experience working with recommendation systems, ranking, retrieval, personalisation or related ML domains.
• Knowledge of MLOps practices, including model deployment, monitoring and lifecycle management.
• Experience building reliable, observable and scalable services in cloud environments.
• Comfortable providing technical leadership and mentoring other engineers.
• Strong collaboration and communication skills, with experience working in cross-functional product teams.
• Curiosity about emerging AI technologies and the practical application of LLMs and generative AI in customer-facing products.

Responsibilities

• Design, build and operate production ML systems powering outfit discovery and personalised fashion experiences.
• Partner with Machine Learning Scientists to deploy deep learning models and deliver meaningful customer and business outcomes.
• Deploy and optimise batch and real-time machine learning models serving millions of customers.
• Contribute to systems that power recommendations, personalisation and AI-driven fashion discovery experiences across ASOS.
• Improve system performance, reliability, observability and scalability across the machine learning lifecycle.
• Contribute to technical design decisions, architecture discussions and engineering best practices.
• Mentor and support other engineers through coaching, collaboration and knowledge sharing.
• Help strengthen technical practices across the team and the wider machine learning community at ASOS.
• Contribute to the development of shared machine learning capabilities, tools and best practices used across multiple teams.

Skills

ML systems design

Deep learning

PyTorch

TensorFlow

Model training

Distributed compute

MLOps

Cloud services

Mentoring

Cross-functional teamwork

Generative AI

LLMs

Tools

PyTorch

TensorFlow

AWS

Job description

ASOS is seeking a Senior Machine Learning Engineer to join our Search and Recommendations team, building AI-powered fashion experiences and personalised outfits across the customer journey. You’ll work with ML Scientists, Software Engineers and Product Managers to deploy models and scale production ML systems for millions of customers.

You will help advance recommendations, personalisation and AI-driven fashion discovery, while improving performance, reliability and observability across the ML