# Lead Firmware Engineer at Sabi

- Company: Sabi
- What the company does: The first neural interface that transforms your thoughts into text. No typing. No voice. Just Think. Backed by Khosla.
- Company website: https://sabi.com/
- Type: Startups
- Level: Senior
- Location: San Francisco
- Work setup: Remote
- Pay: $300K to $400K base salary per year (USD)
- Posted: 2026-05-07
- Apply by: 2026-10-08
- Apply: https://jobs.ashbyhq.com/sabi/fe555228-0b0e-4b12-8a12-773616b57656
- Page: https://www.1752.vc/careers/jobs/sabi-lead-firmware-engineer/

## About the role

You will architect and own the firmware for our wearable’s distributed-compute platform: a media and connectivity MCU running camera capture, audio runtime, Wi-Fi streaming, and onboard storage; a sensor-acquisition MCU running the biopotential signal chain and BLE streaming; and an always-on MCU enforcing power management, privacy, and thermal control.

## What they're looking for

- Must-Haves
- 10+ years of embedded firmware engineering, with at least one shipped consumer product where you owned firmware architecture end-to-end
- Deep expertise across embedded RTOSes and bare-metal ARM Cortex-M, with familiarity across at least two ecosystems (e.g., Zephyr, FreeRTOS, ESP-IDF, ThreadX, NuttX)
- Hands-on experience hosting real-time DSP runtimes alongside wireless connectivity on resource-constrained MCUs — integrating algorithms owned by other teams
- Strong background in multi-radio coexistence (Wi-Fi + BLE), low-power state-machine design, and OTA with safe rollback
- Comfortable in the lab with JTAG/SWD, logic analyzers, and protocol sniffers — able to drive bring-up from first power-on through end-to-end functional demos

Tags: Hardware