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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Machine Learning Engineer (Recommendations/Search) - **Company:** asos.com Ltd - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Automated Storage and Retrieval Systems, Big Data, Machine Learning, Recommender Systems, Tensorflow, Software Engineering, Cloud Platform System, Pytorch, Large Language Models, Deep Learning, Machine Learning Operations - **Published:** October 3, 2026 - **Apply:** https://jobs.smartrecruiters.com/ASOS/744000153235559-senior-machine-learning-engineer-recommendations-search- ## About the Role We're interested in candidates who bring experience in several of the following areas. We recognise that skills and expertise can be developed through a variety of experiences and career paths. * 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 using large datasets and distributed compute infrastructure. * Experience working 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. * 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. ## Description We're looking for a Senior Machine Learning Engineer to join our Search and Recommendations team, where we're building the next generation of AI-powered fashion experiences at ASOS. Our mission is to help millions of customers discover complete outfits that reflect their personal style, preferences and the latest fashion trends. Sitting within ASOS's Search & Discovery organisation, the team combines recommendation systems, personalisation, deep learning and emerging AI technologies to create new ways for customers to discover fashion beyond traditional ecommerce experiences. You'll work on large-scale machine learning systems powering personalised outfit recommendations, style discovery and intelligent product experiences across the customer journey. From recommendation and retrieval systems to deep learning and generative AI applications, you'll help bring innovative ideas into production and deliver experiences used by millions of customers. Working alongside Machine Learning Scientists, Software Engineers and Product Managers, you'll play a key role in designing, building and operating production ML systems at scale. You'll tackle challenging problems across recommendation systems, personalisation, deep learning and AI-powered outfit generation, helping shape the future of machine learning at ASOS. What you'll be doing: * Design, build and operate production machine learning systems that power 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. ## Related Videos - [How We Built a Machine Learning-Based Recommendation System (And Survived to Tell the Tale)](https://www.wearedevelopers.com/videos/752-how-we-built-a-machine-learning-based-recommendation-system-and-survived-to-tell-the-tale) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Photonic Computing: Programming a New Class of AI Accelerators (incl. Live Coding)](https://www.wearedevelopers.com/videos/100196-photonic-computing-programming-a-new-class-of-ai-accelerators-incl-live-coding) - [Machine learning in the browser with TensorFlowjs](https://www.wearedevelopers.com/videos/155-machine-learning-in-the-browser-with-tensorflowjs) - [Getting Started with Machine Learning](https://www.wearedevelopers.com/videos/260-getting-started-with-machine-learning) - [Developing an AI.SDK](https://www.wearedevelopers.com/videos/198-developing-an-ai-sdk) ## Related Articles - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [MLops – Deploying, Maintaining And Evolving Machine Learning Models in Production](https://www.wearedevelopers.com/magazine/115-mlops-deploying-maintaining-and-evolving-machine-learning-models-in-production) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development) - [MLOps – What’s the deal behind it?](https://www.wearedevelopers.com/magazine/125-mlops-what-s-the-deal-behind-it) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)