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Job Description


  • Develop high-value, airtight firmware for a secure microcontroller unit (MCU)
  • Oversee development of application firmware code, ensuring best practices and especially memory safety
  • Debug (and write) lower level code related to e.g. driver logic
  • Write test-harnesses, unit tests, and integration tests to verify functionality of secure MCU
  • Write specifications about the firmware you’re developing, i.e. document your work as you go


  • 3-5 years firmware development experience (C, Rust, etc)
  • Experience with C in 32 bit micro controller environment
  • Unit testing in C, preferably with MCU development
  • Experience with small-footprint, low-power embedded systems
  • Experience with code coverage and static analysis tools
  • Experience with automated testing systems
  • Experience with cross-platform development toolchains
  • Experience with I2C, SPI, UART, JTAG communication protocols
  • Experience designing, implementing, and testing finite state machines


  • Experience with embedded Linux
  • Understanding and passion about cryptocurrencies and blockchain technology
  • Understanding about public key cryptography, including asymmetric keys and ECDSA in particular
  • Experience as a member of a red team performing penetration and security testing of embedded systems

Location in a time zone between UTC -9 and +1 is desired.

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