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Blockstream logo
Blockstream

Blockstream works to pioneer infrastructure advancements for blockchain technology, with a goal to accelerate and support innovation in financial technology. Th

Senior Firmware Engineer

Location

United States

Posted

111 days ago

Salary

0

Seniority

Senior

Bachelor DegreeEnglishPugPython

Job Description

Senior Firmware Engineer

Blockstream

• Work as a core contributor to the Blockstream Jade firmware, writing robust, secure C/Python code within a small, agile team. • Extend and optimize our support for advanced signing protocols such as taproot, atomic swaps, and simplicity. • Design and implement features like air-gapped camera signing, cryptographic primitives, and secure communication protocols. • Develop optimized solutions to work within a resource constrained execution environment. • Contribute to a transparent, open source codebase where your work is visible to the entire Bitcoin community.

Job Requirements

  • Proven track record in C/C++ development for microcontrollers with real world esp32/esp32s specific experience.
  • Solid understanding of Bitcoin internals, with a specific focus on Taproot, SegWit, and PSBTs.
  • Experience with secure boot, memory protection, and defending against software based and side-channel attacks.
  • Comfortable working with peripherals (cameras, screens) and low-level protocols (SPI, I2C, UART).
  • An active GitHub presence with contributions to open-source projects is highly preferred.

Benefits

  • Health insurance
  • Flexible work arrangements

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