Staff Embedded Firmware Engineer with Equity & Impact

Lunar Energy; Mountain View (CA); On-site; USD 200,000 - 230,000; Full time

Benefits offered by this job

Medical, dental, and vision

401(k) plan

Parental leave

EV charging subsidies

Pre-tax commuter benefits

Job summary

Lunar Energy is seeking a Staff Embedded Firmware Engineer to shape the intelligence inside our hardware, writing code that makes our devices perform reliably and safely in homes around the world.

You will work across the full embedded stack, from bootloader to high-level application firmware, in a fast-moving team where your contributions have real and immediate impact. The compensation package includes base pay and equity.

Qualifications

• 8+ years of experience developing and architecting software for embedded systems.
• Experience developing C in bare‑metal systems and/or RTOS.
• Experience implementing power electronics firmware control functionality.
• Ability to integrate hardware and software to develop end-to-end solutions.
• Familiar with modern software engineering practices (Git, CI).

Responsibilities

• Develop firmware for Lunar's hardware devices, including optimisation on the edge.
• Design, code, and test sub-systems for high-performance functionality on constrained hardware.
• Write code across the full embedded stack from bootloader to high-level application firmware.
• Port and maintain the RTOS; build component firmware integrated with the Lunar system.
• Review performance data and support reliability, testing, and manufacturing teams.

Skills

Years of experience

C bare-metal/RTOS

Power electronics firmware

End-to-end integration

Git & CI

Job description

Lunar Energy is seeking a Staff Embedded Firmware Engineer to shape the intelligence inside our hardware, writing code that makes our devices perform reliably and safely in homes around the world.

You will work across the full embedded stack, from bootloader to high-level application firmware, in a fast-moving team where your contributions have real and immediate impact. The compensation package includes base pay and equity.