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From the employer's careers site First seen 25 Oct 2026

Staff Software Engineer - Machine Learning

Capital One London Hybrid staff full-time

The employer hasn't listed a salary.

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Description

We're on a mission to transform the way we use data and AI to service our customers and drive efficiency across the business.

As a Staff Software Engineer - Machine Learning, you'll be part of a community of technical leaders who drive engineering excellence, foster innovation, and deliver impactful ML/AI and Gen AI solutions that meet real customer needs.

Responsibilities

  • Own and drive the ML/AI technical strategy for UK use cases, spanning multiple teams and influencing the overall technical direction for AI adoption
  • Lead and coordinate ML engineering efforts across multiple teams, ensuring alignment with broader business objectives, enterprise platform capabilities, and technology strategy
  • Provide technical consultancy to teams delivering AI use cases, guiding architectural decisions, solution design, and effective use of enterprise ML/AI platforms and capabilities
  • Proactively identify emerging ML/AI patterns, define and evangelise best practices, and establish reusable approaches that enhance delivery of AI use cases across the business
  • Drive MLOps standards and practices across teams, including CI/CD for models, automated testing, monitoring, and deployment pipelines
  • Collaborate with enterprise platform and data science teams, contributing to platform capabilities where appropriate and partnering on use case delivery
  • Build and maintain strong relationships with key stakeholders, including senior leadership, product owners, data science teams, and enterprise platform partners
  • Represent Capital One in external ML/AI technical forums, contributing to industry discussions
  • Develop and advocate for strategies to proactively manage technical debt across ML/AI systems
  • Actively mentor and develop engineers, fostering a culture of continuous learning

Requirements

  • Deep expertise in Python and ML engineering
  • Deep expertise in ML/AI systems design, MLOps, and cloud-native architectures
  • Track record of leading ML/AI technical initiatives across multiple teams
  • Strong experience with cloud platforms (AWS, Azure, GCP)
  • Experience with ML frameworks (PyTorch, TensorFlow, scikit-learn) and Gen AI/Agentic frameworks (LangGraph, LangChain, VectorDBs, RAG)
  • Understanding of responsible AI practices, including guardrails, hallucination mitigation, and output quality management for AI systems
  • Experience designing and scaling low-latency, customer-facing ML/AI architectures
  • Proven experience setting a multi-team ML/AI technical vision and strategy
  • Strong track record of technical leadership and influence without authority
  • Experience driving ML engineering standards and best practices across organisations
  • Deep understanding of the full ML/AI development lifecycle, including model serving, data pipelines, and Gen AI systems
  • Experience leveraging enterprise platforms to deliver business use cases at scale
  • Experience of steering Communities of Practice or technical forums
  • Strong business acumen and ability to translate ML/AI concepts for various audiences

Benefits

  • Competitive salary
  • High performers strong and diverse career progression
  • Capital One University training programmes
  • Pension scheme, bonus, generous holiday entitlement, and private medical insurance
  • Flexible benefits, including season-ticket loans, cycle to work scheme, and enhanced parental leave

Work Environment

  • Permanent position based in London office
  • Hybrid working model, with 3 days a week in the office

Skills

Required

  • Python
  • ML engineering
  • ML/AI systems design
  • MLOps
  • cloud-native architectures
  • cloud platforms (AWS, Azure, GCP)
  • ML frameworks (PyTorch, TensorFlow, scikit-learn)
  • Gen AI/Agentic frameworks (LangGraph, LangChain, VectorDBs, RAG)
  • responsible AI practices

Ready to apply?

You apply with the employer directly. Their original posting is here: https://capitalone.wd12.myworkdayjobs.com/en-US/Capital_One/job/London-Eng/Staff-Software-Engineer---Machine-Learning_R242460-1

Apply on Capital One