Raphael Durand

Sample

Embedded Engineer at Hartwell Financial · Embedded systems · embedded Linux, ARM Cortex-M

Hartwell Financial
Paris, France · CET (UTC+1)
1+ years experience
École Polytechnique
English, French
Messaging unavailable

Overview

I work on embedded systems at Hartwell Financial in Paris. Reduced cloud spend on firmware by 25% in two quarters. Shipped a rewrite that took build times from 18 minutes to under 6. Most at home with ARM Cortex-M and embedded Linux. I tinker with 3D printers.

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Answers in batches on Fridays

Skills
Bluetooth LEARM Cortex-Mhardware bring-upembedded Linux

Experience

  1. Embedded Engineer
    Oct 2025 - Present
    Hartwell Financial · 1 yr · Full-time · Paris, France
    • Shipped a rewrite that took build times from 18 minutes to under 5.
    • Brought on-call pages for firmware down from 31 a week to 1.
    • Moved 74% of firmware traffic off a legacy monolith without a customer-facing incident.

References

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Education

  1. École Polytechnique
    Ingénieur, Information Technology
    2021 - 2025

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