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Blockstream

Senior Firmware Engineer, Jade

Blockstream
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3 months ago
Remote, WorldwideSenior
H1B Sponsor

Responsibilities

  • Contribute to the Blockstream Jade firmware by writing secure C/Python code.
  • Optimize support for advanced signing protocols like taproot and atomic swaps.
  • Design and implement features such as air-gapped camera signing and secure communication protocols.
  • Develop solutions for resource-constrained execution environments.
  • Contribute to an open-source codebase visible to the Bitcoin community.

Requirements

  • Proven experience in C/C++ development for microcontrollers, specifically with esp32/esp32s.
  • Solid understanding of Bitcoin internals, focusing on Taproot, SegWit, and PSBTs.
  • Experience with secure boot, memory protection, and defending against software-based attacks.
  • Comfortable working with peripherals and low-level protocols like SPI, I2C, and UART.
  • Active GitHub presence with contributions to open-source projects is preferred.

Tech Stack

CC++Python