BRAIINS FORGE: Embedded Linux Engineer

Braiins • Full-time • Remote (Remote) • 4w ago

Braiins Forge s.r.o.- a newly born HW oriented company backed by Braiins - is looking for a developer who would help us on our mission to deliver cutting-edge hardware products to customers around the world. We are a small group of 10 passionate developers who stay behind the Braiins Miniminer and our current flagship product, the Braiins DECK (https://braiins.com/hardware).

We were a team, now we have our own company - isn’t it cool? Join us on our adventure and help bring life to all awesome products we are working on!

🛠️ Examples of a typical problems:

Add or modify some packages in the OpenWrt based system.
Develop a new linux kernel driver for MIPI display.
Add device tree nodes for new hardware peripherals.

Fix fan control algorithm in Rust code.
Find a solution for controlling smart led strip, create a Rust crate for it.
Integrate Wayland compositor into OpenWRT.
Test script to inspect and flash hardware during the production.

🦀!Rust experience is not required!🦀

🔎 We are looking for someone who is:

Familiar with Git and Linux.
Experienced with Unix Shell (Bash).
Capable of working in C/C++.
Experienced with Embedded programming.

Experience with Rust programming is welcome, but not necessary. Our in-house Rust expert will help you get up to speed.

🏖 What we offer to you:

Opportunity to learn and use Rust language as our primary language in production 🦀

Full-time position with flexible working hours.
Both possibilities to work as an Employee or Freelance.
Indefinite agreement.
For employees 5 weeks of vacation and 3 sick days.
Company events, and occasional Braiins brunches in the office.
Relaxing room, a shower, workshop, 3D printer and a parking spot.
Modern offices near Prague city center, Czech Republic — the heart of Europe.
Work on long-term projects.

✨ Technologies used:

Linux - development takes place primarily on computers with Linux distribution (Debian, Ubuntu, ...). It is not assumed that you would work on another system.
Rust - in the current project it is the primary language.
Bash - this language is not our priority and most of the time we do not use it, but it is supported by the built-in Linux distribution so we expect some knowledge from you (grep, sed, awk, ...).
C - there will not be any future development in this language, but you should know it at least at the level of understanding the code.
Gdb - knowledge of general principles and the ability to debug applications on a remote system using a gdb server.
Git (GitLab, GitHub) - used for versioning and managing source code. You should be familiar with the Pull/Merge Request Policy and Code Review.
Cross-compilations - general knowledge of translation issues for different architectures (ARM).
Embedded protocols - basic overview of communication protocols GPIO, I2C, SPI, USART, MIPI and their use in Linux at the application level. The advantage is an understanding of their functioning at the kernel level, where occasional intervention in their functioning is expected.
JTAG / Logic Analyzer - HW debugging capability is welcome, but not required.
Nix - our build system and CI pipelines are written in Nix flakes.
Ghidra - usually the go to software for any reverse engineering tasks. Do you know a better one? We will love to learn about that..

🔥 We will love you even more if…

You are interested in hardware design and soldering station does not scare you.
You are interested in Bitcoin or have active experience with it.
You are interested in new technologies and development procedures.

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