Firmware Engineer

4 days ago

Belgrade, Central Serbia Fuller Vision Full time €25,000 - €45,000 per year

About us

We're building intelligent, Linux-powered devices that connect the physical and digital worlds. Our products process sensor data in real time, run safely in the field for years, and update themselves securely over the air.

We're looking for an engineer who thrives close to the metal — someone who enjoys making Linux do precise, predictable work, whether that's reading sensors, moving bytes efficiently, or keeping a system healthy through reboots and network drops.

What you'll do

  • Build firmware and services for ARM-based Linux devices
  • Design real-time data pipelines that talk to sensors and stream results
  • Profile, trace, and tune performance until it's rock-solid
  • Develop robust update and recovery systems that prevent device bricking
  • Create metrics and telemetry to monitor systems in the field
  • Collaborate with a small, highly technical team across hardware and software

You might be a good fit if you have

  • Experience writing software for 
    Linux systems
     (embedded or backend)
  • A strong foundation in 
    algorithms, concurrency, and systems design
  • Hands-on knowledge of strace, perf, ftrace, systemd, and udev
  • Practical familiarity with Rust
    , 
    C
    , or 
    C++
  • Curiosity about hardware: I²C, SPI, GPIO, DMA
  • A habit of measuring everything — from latency histograms to boot times

Bonus points

  • Experience bringing up boards or writing device drivers
  • Building daemons in Rust with predictable latency
  • Understanding of secure boot, OTA updates, or A/B partitioning
  • Building hardware-in-the-loop tests or simulators

Why join

  • You'll work on meaningful, visible systems that ship to real users.
  • We're small, fast, and value deep expertise over buzzwords.
  • Your code will run on real devices doing real-world work — not just servers.

What we offer

  • Net salary in the EUR 2,500 - 4,500 range, depending on your skill, experience and knowledge level
  • Employee stock options
  • 25 vacation days
  • Private health insurance
  • Hybrid work (3 days on-site in our Belgrade office, 2 remote)
  • A chance at glory and greatness through building the biggest thing in vision tech since Ben Franklin invented bifocals in 1785

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