Mia Parry

S

Senior Engineering Manager at Carrow Financial · API platforms

Carrow Financial
London, UK · GMT (UTC+0)
12+ years experience
Imperial College London
English, Mandarin
Hiring
Messaging unavailable

Overview

I've spent 13 years on API platforms - first at Sky, now at Carrow Financial. Wrote the Django service that now handles 11 million requests a day. Brought on-call pages for public API down from 19 a week to 2. Before that: McKinsey & Company and Workday. I mentor students through university programmes.

Good reasons to reach out
  • Candidates for the role I'm hiring for
  • Thoughtful intros to people in my field
  • Working sessions on REST
  • Questions about API platforms
Please don't message about
  • Crypto token projects
  • Offshore staffing offers
  • Recruiters for roles outside my stack

Prefers short, specific messages

Skills
rate limitingDjangoPostgreSQLRedisREST
HiringHiring for a role
closes in 3 months

5 security engineer roles open on the public API team in London

Role
Security engineer
Level
Senior
Type
Full-time
Work mode
Hybrid
Compensation
$129k-$173k
Team
Public API, 17 people
Start
This quarter
Must have
Production experience with Redis Production experience with REST Ownership of something end to end
Process
Two interviews and a paid trial day

Comp £104k-£135k. We decide within ten days. Message me with one thing you shipped that you're proud of.

London, UKredisrestpostgresql
Open

Experience

  1. Senior Engineering Manager
    Feb 2026 - Present
    Carrow Financial · 8 mo · Full-time · London, UK
    • Led the migration of 68 services to Redis.
    • Built the experimentation framework 31 product teams use to ship changes safely.
    • Grew the public API team from 6 to 38 engineers.
  2. Senior Backend Engineer
    Sep 2024 - Feb 2026
    McKinsey & Company · 1 yr 5 mo · Full-time · London, UK
    • Shipped a rewrite that took build times from 17 minutes to under 4.
  3. Backend Engineer
    Dec 2020 - Sep 2024
    Workday · 3 yr 9 mo · Full-time · London, UK
    • Cut p99 latency on the public API services from 620ms to 41ms.
  4. Senior Backend Engineer
    May 2018 - Dec 2020
    Kainos · 2 yr 7 mo · Full-time · London, UK
    • Shipped a rewrite that took build times from 16 minutes to under 5.
  5. Backend Engineer
    Jan 2015 - May 2018
    Sky · 3 yr 4 mo · Full-time · London, UK
    • Shipped 18 launches on the public API team without a rollback.
    • Brought on-call pages for public API down from 18 a week to 4.

References

No references yet.

Education

  1. Imperial College London
    MEng, Mathematics
    2016 - 2018
  2. University of Bristol
    BSc, Mathematics
    2009 - 2012

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