Principal Machine Learning Engineer

ASOS
London
Workplace: HybridFull timeFunction: Data Science & Machine LearningSkills: ["Technical leadership","Engineering excellence","Stakeholder management","Communication"]

Shape the technical direction of AI-powered fashion discovery, owning end-to-end architecture for large-scale machine learning systems across personalized recommendations, outfit discovery, homepage ranking, search relevance, and an AI Stylist. Lead batch and real-time ML design, translate research into production with MLOps best practices, and drive reliability, scalability, and performance. Mentor senior engineers, influence cross-team standards, and communicate strategy and trade-offs to technical and business stakeholders.

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FursaFursa
ASOS
ASOS
21 hours ago

Principal Machine Learning Engineer

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Source: Company careers pageValidated by: Fursa AI
Last checked: 16 hours agoStatus: Live

Job Summary

Shape the technical direction of AI-powered fashion discovery, owning end-to-end architecture for large-scale machine learning systems across personalized recommendations, outfit discovery, homepage ranking, search relevance, and an AI Stylist. Lead batch and real-time ML design, translate research into production with MLOps best practices, and drive reliability, scalability, and performance. Mentor senior engineers, influence cross-team standards, and communicate strategy and trade-offs to technical and business stakeholders.
Location: London
Workplace: Hybrid
Employment Type: Full time · Permanent
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Own end-to-end technical architecture for ML systems powering personalized fashion experiences, including outfit discovery, homepage ranking, and AI Stylist experiences.
  • •Lead design and evolution of large-scale batch and real-time ML systems serving millions of customers.
  • •Set technical direction and best practices across recommendation, retrieval, personalization, search relevance, deep learning, and generative AI applications.
  • •Partner with ML scientists and engineering leaders to translate research and experimentation into robust production systems.
  • •Provide technical leadership and mentoring to senior and staff-level engineers, promoting modern engineering practices and AI-assisted development tools.

Pay and Benefits

Perks:Employee DiscountSample SalesPaid LeavePrivate MedicalFlexible BenefitsAnnual BonusLearning Budget

Key Requirements

  • •Extensive experience designing, building, and operating large-scale machine learning systems in production environments.
  • •Experience owning and influencing technical architecture across complex engineering ecosystems.
  • •Strong programming skills in Python and/or other languages such as Java or C++.
  • •Advanced hands-on expertise with frameworks such as PyTorch or TensorFlow.
  • •Deep knowledge of MLOps and the ML lifecycle, including deployment, observability/monitoring, and continual improvement.
Experience:Machine learningMLOpsRecommendation systemsGenerative AIE-commerceFashion
Skills:Technical leadershipEngineering excellenceStakeholder managementCommunication
Languages:English
Tech Stack:PyTorchTensorFlowPythonJavaC++LLMsLarge language modelsNatural language processingInformation retrievalRetrieval-augmented generationRAGMLOpsObservabilityMonitoringClaude CodeCodexCursor

Company Brief

ASOS
ASOS plc is a UK-based online fashion and beauty retailer selling thousands of branded and own-label products worldwide through its e-commerce platform, targeting young adult customers with fast-fashion, marketplace third-party brands, and integrated logistics and marketing services.
Industry: E-commerce
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: London, United Kingdom
Founded: 2000
Glassdoor
Glassdoor: 3.4
WebsiteLinkedInGlassdoor