Embedded Site Reliability Engineer

Proto is accelerating the world's transition to an open economy with products that increase access and independence for everyone. We're building Bitkey, a simple and safe self-custody bitcoin wallet that will put customers in control, as well as hardware and software that will help decentralize bitcoin mining and enable new and innovative use cases for bitcoin mining. We're developing these products in the open - you can read more about them at bitkey.build and mining.build. Within Proto, our Bitcoin Products team delivers the product and go-to-market strategy, software, firmware, and custom silicon needed to make Bitkey and our ambitious mining initiatives a reality. Come build the future of money with us!

The Role

The Proto software team is responsible for prototyping, designing, and delivering software applications to support Block's state-of-the-art custom Bitcoin mining chip. We work closely with the ASIC and Electrical Engineering teams to redefine what Bitcoin mining looks like.

The candidate will be responsible for all aspects of software development, which includes building, testing, and deploying on both bare metal embedded and Linux environments.

You will:

• Develop and maintain cloud hosted observability platform for deployed devices


• Maintain well structured defect documentation and system status reporting using observability platform


• Support the development and maintenance of embedded software and tooling


• Conduct in-bound issue triage for bug reports and hardware field failures


• Implement tests or detection methods for new failure modes


• Collaborate with the team to help develop features and resolve production issues


• Conduct ongoing reliability and performance testing to qualify software releases to customers and to manufacturing


• Organize customer impact assessments for field defects and software bugs in production


• Partner with stakeholders to ensure technical execution meets expectations

You have:

• 6+ years of relevant professional experience.


• Experience using Python or Go for automated testing, build systems, and/or systems integration


• Experience developing internal web apps with Javascript/Typescript and SQL


• Basic proficiency in C, C++, or Rust


• Experience triaging production bugs and/or field defects on hardware products


• Experience with metrics, monitoring, logging, and alerting platforms (e.g. Grafana, Splunk, DataDog, Elastic platforms)


• Experience with embedded systems, knowledge of operating systems, familiarity with software development tools, understanding of hardware-software interfaces


• Experience developing or maintaining Linux services or applications

Nice to have:

• Knowledge of Bitcoin mining


• Experience conducting preliminary root cause analysis using a multimeter, logic analyzer, and/or firmware tests


• Experience developing or supporting electronics or IoT products


• Understanding of common communications protocols (e.g. Ethernet, SPI, UART, I2C, USB), debugging practices (e.g. JTAG and associated GDB integrations), and basic electrical design knowledge


• Degree in CS, CE, EE, or equivalent practical experience

We're working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is an equal opportunity employer evaluating all employees and job applicants without regard to identity or any legally protected class. We will consider qualified applicants with arrest or conviction records for employment in accordance with state and local laws and “fair chance” ordinances.

We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we're doing to build a workplace that is fair and square? Check out our I+D page.

While there is no specific deadline to apply for this role, U.S. roles are typically open for an average of 55 days before being filled by a successful candidate. Please refer to the date listed at the top of this job page for when this role was first posted.