Senior ML Engineer: Personalised Fashion & GenAI

ASOS.com Ltd; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Employee discount (ASOS)

Employee sample sales

25 days paid annual leave

Discretionary bonus scheme

Private medical care scheme

Flexible benefits allowance

Learning opportunities

Job summary

ASOS.com Ltd is seeking a Senior Machine Learning Engineer to join the Search & Discovery team, building and operating production ML systems powering outfit discovery and personalised fashion experiences.

You will partner with ML Scientists to deploy deep learning models, deploy batch and real-time ML solutions, and contribute to scalable, observable services across cloud environments. Mentoring and cross-team collaboration are key aspects of the role.

Qualifications

• Experience designing, building and deploying ML systems in production environments.
• Strong understanding of ML 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 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 in cross-functional product teams.
• Curiosity about emerging AI technologies and practical application of LLMs and generative AI in customer-facing products.

Responsibilities

• Design, build and operate production machine learning systems that power outfit discovery and personalised fashion experiences.
• Partner with ML 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 ML 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 ML community at ASOS.
• Contribute to the development of shared ML capabilities, tools and best practices across teams.

Skills

Production ML

Deep learning

MLOps

Cloud computing

PyTorch

TensorFlow

Distributed compute

Recommendation systems

LLMs & Generative AI

Leadership

Tools

PyTorch

TensorFlow

Job description

ASOS.com Ltd is seeking a Senior Machine Learning Engineer to join the Search & Discovery team, building and operating production ML systems powering outfit discovery and personalised fashion experiences.

You will partner with ML Scientists to deploy deep learning models, deploy batch and real-time ML solutions, and contribute to scalable, observable services across cloud environments. Mentoring and cross-team collaboration are key aspects of the role.