Simon McManus

Engineering Manager

home simonmcmanus.com
smartphone +44 (0) 781 454 5689
mail mcmanus.simon@gmail.com
location_on London

work_history Experience

  1. Trainline - Engineering Manager

    date_range October 2021 - present
    • Web Platform.
      • Managed a team of 10; led multi-year technical strategy, OKRs and roadmap for reusable components across 8+ teams.
      • Consolidated 9 legacy search widgets into a single composable component; significantly improved maintainability and delivery speed.
      • Drove experimentation initiatives, resulting in a £10.6M uplift in annual ticket sales from a single test.
    • Platform Health.
    • Conversion Rate Optimisation.
      • Managed a remote team of 6; partnered with product, design, SEO, and data science to define OKRs and roadmap.
      • Introduced hypothesis-driven development for rapid learning and validation.
      • Delivered £12.6M in additional annual revenue through improved experimentation frameworks and product optimizations.

  2. DREST - Tech Lead

    date_range May 2020 - July 2021
    • Led cross-functional remote teams in product delivery, aligning engineering with fashion and data science stakeholders.
    • Core Loop Rebuild: Re-architected DREST’s core app loop using React Native + XState in collaboration with senior engineering leadership.
    • Selfie Avatar: Delivered a full-body 3D avatar pipeline from 2D selfies across iOS/Android and backend.
    • Gucci Wardrobe: Built a fashion interface for Gucci VIPs; scaled from 3,000 to 30,000 users following C-suite endorsement.

  3. Limescan Senior Engineer (contract)

    date_range June 2019 - March 2020

    Creating new features with Nuxt/Vue.js application to manage and visualise data from software-defined wireless probes.

  4. Domino's Pizza Group Senior Engineer (contract)

    date_range July 2019 - January 2020

    Rebuilding dominos.co.uk pizza ordering experience with microfront ends using Vue and Node.js.

  5. NearForm Senior Developer (contract)

    date_range May 2016 - March 2019

    Redeveloped ticketing platform as part of a digital transformation project with ATG tickets using Preact/React/Redux/GraphQL.

  6. Rare

    date_range June 2015 - April 2016

    Developed Sea of Thieves site for E3 launch using React/Node.

  7. Previous Experience

    I've also worked as a senior individual contributor with: Limescan, Dominos, NearForm, Rare, Sainsburys, Tesco, Clock, News UK, The Sun, GoSquared, Volkswagen, AKQA, Nike and BT.

    More details about these roles working as an individual contributor can be found at http://simonmcmanus.com/cv#detailed.

summarize Summary

Engineering Leader with experience managing distributed teams, leading complex technical initiatives, and driving strategic outcomes across product and engineering. Passionate about developer experience, open source, and creating inclusive, high-performing teams.

add Strength

  • Mentoring
  • Experimentation
  • Delivery
  • Culture
  • Impact
  • Leadership
  • Community

add Technology

  • Web
  • React Native
  • Node
  • Javascript
  • Typescript
  • React
  • iOS
  • Android

school Education

  1. Staffordshire University
    • BSc(Hons) Internet Technology

mic Talking

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