David Steinberg
Staff Firmware Engineer at Freelance / Autónomo
Barcelona, Catalonia, Spain
Summary
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SeniorDavid Steinberg is a Staff Firmware Engineer with 11+ years building microcontroller firmware and embedded Linux platform software, specialising in C/C++, assembly, and Linux kernel/BSP work across ARM, RISC‑V, PIC and Atmel. He has shipped boot ROMs, secure boot, drivers and USB integration for AI and vision processors and led Linux bring‑ups and resilient boot systems for product-grade devices. A reliable technical advisor, he’s frequently called on to learn new platforms quickly and solve cross-disciplinary hardware‑software problems, and he prefers remote work from Barcelona with occasional onsite visits. An active contributor to MicroPython, he has improved float‑to‑int conversion in its arbitrary‑precision integer implementation—demonstrating attention to numerical edge cases in constrained systems.
11 years of coding experience
25 years of employment as a software developer
Github Skills (17)
float3210
py10
python10
c1110
microcontroller10
c1710
sys10
micropython10
adafruit-circuit-python10
floating-point10
embedded10
data-structure9
algorithm9
unit-testing9
algorithms9
Programming languages (3)
Github contributions (5)
micropython/micropython
Jan 2015 - Jan 2015
MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits, 7 PRs, 33 comments in 23 days
Contributions summary:David's contributions primarily focus on improving the conversion of floating-point numbers to integers within the MicroPython environment. They implemented and refined functions to handle float-to-int conversions, addressing edge cases related to large exponents, infinity, and NaN values. Their work included modifications to `mpz.c`, `mpz.h`, and `objint.c` and associated test files, specifically introducing functionality to handle float values within the MicroPython integer representation (MPZ) which supports arbitrary precision. These changes demonstrate a focus on ensuring accurate numerical behavior within the microcontroller-focused Python implementation.
pythonpython-implementationmicrocontrollerconstrainedembedded
doogle/Journey3Dg
Aug 2022 - Aug 2022
Contributions:1 release, 16 commits, 3 pushes in 24 days
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