Evie Rees

Overview

Based in Cambridge. I work on cloud infrastructure at Kainos. Built the experimentation framework 10 product teams use to ship changes safely. Before that: Deliveroo and Parkway Networks. Board member at a local non-profit.

Travels often; replies within 48 hours

Experience

1. Staff Site Reliability Engineer

   Dec 2025 - Present
   Kainos · 10 mo · Contract · Cambridge, UK
   • Mentored 9 engineers through their first promotion.
   • Grew the infrastructure team from 5 to 20 engineers.
   • Led the migration of 29 services to Terraform.
2. Site Reliability Engineer

   Aug 2022 - Dec 2025
   Deliveroo · 3 yr 4 mo · Full-time · Cambridge, UK
   • Brought on-call pages for infrastructure down from 25 a week to 2.
   • Wrote the Terraform service that now handles 66 million requests a day.
3. Senior Site Reliability Engineer

   Dec 2019 - May 2022
   Parkway Networks · 2 yr 5 mo · Full-time · Cambridge, UK
   • Cut p99 latency on the infrastructure services from 546ms to 141ms.
4. Site Reliability Engineer

   May 2018 - Dec 2019
   Tesco · 1 yr 7 mo · Full-time · Cambridge, UK
   • Shipped a rewrite that took build times from 37 minutes to under 4.
5. Senior Site Reliability Engineer

   Oct 2015 - May 2018
   Brightline Networks · 2 yr 7 mo · Full-time · Cambridge, UK
   • Moved 72% of infrastructure traffic off a legacy monolith without a customer-facing incident.
   • Shipped a rewrite that took build times from 37 minutes to under 4.

Projects

No references yet.

Education

1. Durham University

   BA, Electrical Engineering
   2008 - 2011