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About Maebh

  • English

    Native or bilingual

Can work on-site
London (up to 50km)

Experience

  • AI enabled SDLC)
    Senior Engineering Leader
    February 2025 - Today (1 year and 6 months)
    Working with scaling, product-led organisations to improve engineering productivity, developer experience, and platform maturity, with a focus on practical adoption of AI within the software development lifecycle.
    • • Advising CTOs and engineering leaders on platform, DevEx, and operating model strategy
    • • Establishing engineering effectiveness measures (flow, DORA, DevEx) to guide decisions and prioritisation
    • • Defining platform and developer tooling strategies that reduce friction and standardise paths to production
    • • Supporting adoption of AI-assisted development across code, testing, review, and documentation workflows
    • • Improving reliability and trust in AI-assisted development through evaluation, traceability, and clearer assumptions
  • Marks & Spencer
    Senior Head of Engineering / Engineering Director
    RETAIL (LARGE RETAILERS)
    February 2023 - February 2025 (2 years)
    London, United Kingdom
    Accountable for a 400-person platform engineering portfolio (£30M budget) supporting 2,000+ engineers and 50M+ customers. Led the evolution of a deployment-centric estate into a developer-experience-led platform, improving delivery speed, reliability, and cost efficiency.
    • • Defined and executed platform strategy across web, mobile, APIs, data, and infrastructure, setting clear standards and direction across 100+ teams
    • • Reframed platform as a product, aligning capabilities to developer workflows and embedding measures of engineering effectiveness (flow, reliability, DevEx)
    • • Standardised CI/CD, security, and observability patterns, enabling consistent, secure, self-service delivery and improving platform adoption
    • • Reduced time-to-market by 40%, improved Core Web Vitals by 30%, reduced operational costs by 20%, and delivered £2M+ in engineering efficiency savings
    • • Introduced FinOps practices, improving cloud efficiency by 15% and forecasting accuracy by 30%
    • • Extended platform capabilities into store operations, enabling data-driven optimisation that reduced labour costs by £5M
  • Yell /
    Director / Head of Software Engineering
    January 2013 - January 2023 (10 years)
    Reading, United Kingdom
    Led engineering organisations of up to 150 engineers delivering large-scale consumer, search, and data platforms serving 25M monthly users and £100M+ annual revenue.
    • • Defined and executed platform and product strategy across web, APIs, search, and data systems, improving scalability, reliability, and cost efficiency
    • • Led re-architecture of Yell.com into a cloud-hosted, composable platform, improving page load times by 28%, increasing organic traffic by 28%, and growing digital revenue by 25% while reducing TCO by 30%
    • • Directed development of search and data platforms, including relevance logic, real time updates, and partner integrations supporting over 4M UK businesses
    • • Built and operated data and ML-adjacent pipelines supporting ranking, analytics, and decisioning systems
    • • Embedded DevOps and CI/CD practices, increasing deployment frequency by 50% and reducing development cycle times by 40%
    • • Built and developed high-performing engineering teams, strengthening technical standards and leadership capability across the organisation

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Education

  • BSc Computer
    Cork Institute of Technology
    BSc Computer

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