Louise Williams

S

VP of Engineering at Larch Ops · threat modeling, AppSec

Larch Ops
Bristol, UK · GMT (UTC+0)
13+ years experience
University of Warwick
English
Hiring
Messaging unavailable

Overview

VP of Engineering at Larch Ops, focused on application security. Shipped 23 launches on the product security team without a rollback. Before that: Barclays and Ryanair. Most at home with OWASP and threat modeling. I volunteer with a food bank on weekends.

Good reasons to reach out
  • Candidates for the role I'm hiring for
  • Speaking or podcast invitations
  • Thoughtful intros to people in my field
Please don't message about
  • SEO and link-building offers
  • Generic networking requests

Travels often; replies within 48 hours

Skills
AppSecIAMthreat modelingOWASP
HiringHiring for a role
closes in 3 months

Building out product security at Larch Ops: security engineers wanted in Bristol

Role
Security engineer
Level
Senior
Type
Full-time
Work mode
On-site
Compensation
$134k-$187k + equity
Team
Product security, 15 people
Start
Within two months
Must have
Production experience with OWASP Production experience with IAM Good judgment about what not to build
Process
3 conversations, no take-home

Comp £107k-£133k. One technical chat and a paid trial day. Message me with one thing you shipped that you're proud of.

Bristol, UK · remote OKowaspthreat modelingiam
Open

Experience

  1. VP of Engineering
    Mar 2023 - Present
    Larch Ops · 3 yr 7 mo · Full-time · Bristol, UK
    • Wrote the IAM service that now handles 81 million requests a day.
    • Shipped 28 launches on the product security team without a rollback.
    • Reduced cloud spend on product security by 35% in two quarters.
  2. Senior Security Engineer
    Aug 2020 - Mar 2023
    Barclays · 2 yr 7 mo · Full-time · Bristol, UK
    • Grew the product security team from 3 to 40 engineers.
    • Built the experimentation framework 12 product teams use to ship changes safely.
  3. Senior Engineering Manager
    Jun 2018 - Aug 2020
    Ryanair · 2 yr 2 mo · Full-time · Bristol, UK
    • Mentored 6 engineers through their first promotion.
    • Shipped 25 launches on the product security team without a rollback.
  4. Engineering Manager
    Jan 2016 - Jun 2018
    Sainsbury's · 2 yr 5 mo · Full-time · Bristol, UK
    • Brought on-call pages for product security down from 15 a week to 2.
    • Shipped 27 launches on the product security team without a rollback.
  5. Engineering Manager
    Oct 2013 - Jan 2016
    Salesforce · 2 yr 3 mo · Full-time · Bristol, UK
    • Cut p99 latency on the product security services from 767ms to 96ms.
    • Reduced cloud spend on product security by 36% in two quarters.

Projects

Conference talk: lessons from product security
2022

What went wrong and what worked while scaling application security.

References

No references yet.

Education

  1. University of Warwick
    BSc, Computer Science
    2003 - 2006

Details

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