Craig Harrison

S

Staff Platform Engineer, Lumen Bio - CI/CD · Backstage · service mesh

Lumen Bio
London, UK · GMT (UTC+0)
14+ years experience
Queen's University Belfast
English
Open to work
Messaging unavailable

Overview

I work on platform engineering at Lumen Bio in London. Moved 72% of developer platform traffic off a legacy monolith without a customer-facing incident. Before that: EY and PwC. Learning to sail.

Good reasons to reach out
  • Roles in platform engineering
  • Thoughtful intros to people in my field
  • Working sessions on Bazel
Please don't message about
  • Courses and coaching offers
  • SEO and link-building offers

Replies within two days

Skills
service meshCI/CDBackstageBazelGo
Open to workLooking for a role
closes in 3 months

Next role: Platform Engineer in energy, London or hybrid

Target roles
Platform Engineer
Level
Senior
Industries
AI infrastructure, Fintech
Work mode
Remote
Available
30 days notice
Work authorization
Authorized to work in the UK
What I'm looking for
A team that ships weekly and owns developer platform end to end.
Not interested in
Contract-only roles

14 years in platform engineering. Strongest at Bazel and CI/CD. Open to the right conversation.

London, UK · remote OKservice meshgoci/cd
Open

Experience

  1. Staff Platform Engineer
    May 2025 - Present
    Lumen Bio · 1 yr 5 mo · Full-time · London, UK
    • Shipped 8 launches on the developer platform team without a rollback.
    • Cut p99 latency on the developer platform services from 335ms to 65ms.
    • Built the experimentation framework 28 product teams use to ship changes safely.
  2. Senior Platform Engineer
    Aug 2021 - May 2025
    EY · 3 yr 9 mo · Full-time · London, UK
    • Grew the developer platform team from 6 to 35 engineers.
    • Led the migration of 41 services to CI/CD.
  3. Engineering Manager
    Nov 2018 - Aug 2021
    PwC · 2 yr 9 mo · Full-time · London, UK
    • Reduced cloud spend on developer platform by 21% in two quarters.
  4. Senior Platform Engineer
    Mar 2016 - Nov 2018
    Wise · 2 yr 8 mo · Full-time · London, UK
    • Shipped a rewrite that took build times from 28 minutes to under 6.
  5. Platform Engineer
    Oct 2012 - Mar 2016
    Kainos · 3 yr 5 mo · Full-time · London, UK
    • Wrote the CI/CD service that now handles 16 million requests a day.

References

No references yet.

Education

  1. Queen's University Belfast
    BSc, Electronics and Communication
    2008 - 2011

Details

Compensation expectations
What they are targeting for their next role.
Visible to connections
Direct contact details
Direct email and a scheduling link.
Visible to connections