Anna Owen

Overview

CTO at Quarry Pay, focused on embedded systems. Shipped 20 launches on the firmware team without a rollback. Most at home with C and idempotency.

Checks messages twice a week

Experience

1. CTO

   Sep 2025 - Present
   Quarry Pay · 1 yr 1 mo · Full-time · Bristol, UK
   • Wrote the idempotency service that now handles 66 million requests a day.
   • Led the migration of 49 services to idempotency.
   • Built the experimentation framework 7 product teams use to ship changes safely.
2. Embedded Engineer

   Nov 2021 - Sep 2025
   Unilever · 3 yr 10 mo · Full-time · Bristol, UK
   • Brought on-call pages for firmware down from 36 a week to 3.
   • Shipped a rewrite that took build times from 36 minutes to under 2.
3. Embedded Engineer

   Sep 2019 - Nov 2021
   PwC · 2 yr 2 mo · Full-time · Bristol, UK
   • Wrote the C service that now handles 39 million requests a day.
   • Moved 75% of firmware traffic off a legacy monolith without a customer-facing incident.
4. Senior Embedded Engineer

   Apr 2017 - Jun 2019
   AIB · 2 yr 2 mo · Full-time · Bristol, UK
   • Mentored 4 engineers through their first promotion.
5. Embedded Engineer

   Jun 2015 - Apr 2017
   AstraZeneca · 1 yr 10 mo · Full-time · Bristol, UK
   • Wrote the idempotency service that now handles 28 million requests a day.
   • Moved 89% of firmware traffic off a legacy monolith without a customer-facing incident.

No references yet.

Education

1. Durham University

   BA, Electrical Engineering
   2011 - 2014