Senior Embedded Software Engineer

Chain Reaction

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Chain Reaction designs and builds hardware that fuels disruptive blockchain technologies by accelerating compute performance. Our world-class teams are transforming the future of data, creating the infrastructure that will power the next generation of secure, scalable, green computing. The main bottleneck in scaling cutting-edge solutions in privacy tech, data analysis, and real-time computing is acceleration – existing hardware cannot keep up with data processing needs. Chain Reaction’s products reshape how data is processed and used on a global scale, and we’re looking for the brightest people to join us.You will play a critical role in designing, developing, and optimizing the software components that drive our hardware. Your expertise will be instrumental in ensuring the reliability, performance, and efficiency of our products.We’re looking for a Senior Embedded Software Engineer to own and evolve our production‑grade, multi‑threaded C++ application that drives thermal management, ASIC operation, and hardware interfaces in Bitcoin mining hardware - ensuring its ongoing productization, reliability, and performance while accelerating time‑to‑market.Roles and Responsibilities

Take complete ownership of the embedded control‑system code for Bitcoin mining
Transform prototype code into clean, modular, production-ready software
Resolve technical debt, improve system architecture, and manage dependencies
Design and enhance robust unit and integration test strategies
Optimize performance and resource utilization
Debug and resolve complex issues in a multi‑threaded system
Document APIs, software designs, and perform code reviews
Collaborate with ASIC and board‑design teams during bring‑up and validation

Bachelor’s or Master’s degree in Computer Engineering, Computer Science, or equivalent
5+ years of experience developing modern C++ (14/17/20) applications in embedded/Linux environments
Proven track record of owning large, complex codebases
Expertise in multithreading and real‑time systems
Strong background in software architecture and design
Excellent problem‑solving skills, with clear written and verbal communicat
Hands-on, proactive, and comfortable working independently and cross-functionally

Advantages

Proficiency with Git workflows, build systems (CMake), and debugging tools
Prior work on ASIC‑based products
Familiarity with hardware communication protocols: SPI, I²C, GPIO
Experience with safety‑critical systems, system profiling, performance tuning or thermal optimization

Chain Reaction