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Senior Firmware Engineer

💼 Full-time🗓 2026-07-26

Core

Develop firmware enabling fast, reliable wireless communication between devices in a wireless power network and conduct research to improve technology performance and integrability.

Role type

Senior Firmware Engineer (Wireless Power Systems)

Builds

Firmware for wireless power transfer devices and network communication protocols

Domain

Wireless power transfer / Energy infrastructure / Embedded systems

Deliverable

production ML models | product features | infrastructure

Required skills

C development, bare-metal firmware development, RTOS development, PCB debugging, Python scripting, test-driven debugging

Preferred skills

BLE systems, Nordic nRF52 development, Zephyr OS, RF applications, software test automation, startup experience

Technologies

Nordic nRF52, Zephyr OS, Python

Responsibilities

Analyze, design, develop, and deploy firmware features; architect and implement features in the code base; plan effort and establish timelines; advocate for coding practices and contribute to hardware/software innovation

Seniority

Senior, hands-on IC

Rewrite
## About the Role At Reach, we are delivering technologies to enable the long-range, wireless transfer of power. We believe wireless energy can be as liberating for power systems as WiFi was for data systems, and are busy creating the energy infrastructure that will one day replace the aging electrical grid. We have raised funding from top tier VC's, have real world customers deploying our technology, and are continuing to build out the exceptional team that is making our vision a reality. In this position, you will be a key part of Reach's engineering team to develop firmware enabling fast, reliable wireless communication between devices in the wireless power network. You will also conduct research to improve the performance, flexibility, and integrability of Reach's technology. As part of a small team in a small company, you will have a great deal of agency over your work, plenty of opportunity to discover and solve new challenges, and the ability to make large-impact decisions. It will be critical that you are a creative problem solver with strong curiosity, a passionate, proactive spirit eager to add value before it's requested or identified by others. ## Key Position Responsibilities - Actively contribute to the firmware team to analyze, design, develop, and deploy features to meet business, product, and technical requirements. - Actively contribute to Reach's code base by architecting and implementing features. - Work with project management and other engineers to plan the effort and establish timelines for yourself and your team. - Identify areas of need: Advocate for good coding practices and contribute to product innovation in hardware and software. ## Qualifications - 5+ years of experience as a firmware engineer or equivalent. - Subject matter in C development. - Proficient with firmware development in bare-metal or RTOS based systems. - Experience with board bring up including schematics reading and PCBs debugging. - Experience with python and scripting languages. - Have a test-driven, analytical approach to debugging and problem solving. - Proficient communicator and organizational skills. ## Nice-To-Haves - Experience with BLE systems or other wireless transfer technology. - Experience with Nordic nRF52 development and Zephyr OS. - Experience with full development cycles from prototyping to manufacturing. - Experience with RF applications. - Experience in software test automation. - Experience working at a start-up or with a small, intimate team. ## About the Company Reach is a pioneer in a new frontier of technology. Born out of MIT, incubated in YC, and developed in an "office space" that was once the oven of a cookie factory, we are a group of curious, passionate, and creative problem solvers, and we approach our work with vigor and humility. Much has changed since our cookie factory days, but our core philosophies have remained. Decisions are made quickly, meetings and politics are kept to a minimum, and everyone here does high-visibility work that has considerable influence on our product and company. We have weekly team lunches, quarterly offsite company events, and often spend time together outside of work bicycling, rock climbing, playing music, and hosting happy hours. We highly value diversity at our company - in not only professional capabilities and experience, but also in personal interests, schools of thought, musical tastes, and walks of life. We prioritize inclusivity, and do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States.
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