Charlie Ellis

S

Senior Embedded Engineer, Vellum Ops - ARM Cortex-M · embedded Linux · C

Vellum Ops
London, UK · GMT (UTC+0)
9+ years experience
London School of Economics
English
Messaging unavailable

Overview

Currently at Vellum Ops, where I work on embedded systems. Shipped 24 launches on the firmware team without a rollback. I speak at conferences a couple of times a year.

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Answers in batches on Fridays

Skills
embedded Linuxhardware bring-upCARM Cortex-M

Experience

  1. Senior Embedded Engineer
    May 2023 - Present
    Vellum Ops · 3 yr 5 mo · Full-time · London, UK
    • Shipped 24 launches on the firmware team without a rollback.
    • Brought on-call pages for firmware down from 38 a week to 2.
  2. Embedded Engineer
    Jan 2022 - May 2023
    Standard Chartered · 1 yr 4 mo · Full-time · London, UK
    • Brought on-call pages for firmware down from 20 a week to 4.
    • Cut p99 latency on the firmware services from 707ms to 145ms.
  3. Embedded Engineer
    Jun 2018 - Jan 2022
    Meta · 3 yr 7 mo · Contract · London, UK
    • Shipped a rewrite that took build times from 31 minutes to under 2.
  4. Embedded Engineer
    Oct 2017 - Jun 2018
    Booking.com · 8 mo · Full-time · London, UK
    • Shipped a rewrite that took build times from 30 minutes to under 6.

Projects

Side project: a reading list app
2022

Built with ARM Cortex-M and hardware bring-up. 2292 people used it last year.

References

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Education

  1. London School of Economics
    BSc, Information Technology
    2013 - 2016

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