Firmware Engineer

Quick Facts

• Role: Firmware Engineer (IoT devices)

Description

Develop and validate firmware for resource-constrained, battery-powered IoT devices and gateways. You will bring up new boards and sensors, implement peripheral drivers and core management layers (power/connectivity), and build secure bootloaders and fleet-scale OTA updates. The role focuses on designing for long device lifetime, debugging low-level hardware/software seams, and shipping prototypes to real customers quickly.

Responsibilities

• Shape hardware choices (SoC, flash/RAM, and sensor combinations) alongside electrical engineers and validate via prototypes.

• Bring up new platforms from virgin silicon: configure I/O and enable SPI, I2C, UART, BLE; debug system initialization; validate designs.

• Build the firmware layers everything depends on: peripheral drivers, secure bootloaders, device firmware updates, and core power/connectivity management.

• Design protocols and hardware management for battery-powered sensors and gateways to maximize device lifetime.

• Debug and prevent field failures by enabling robust behavior (including self-recovery vs. RMA outcomes).

• Partner with product, full-stack, mobile, and quality engineers so firmware-produced data arrives intact and useful.

• Raise engineering quality through reviews, documentation, and iterative delivery backed by automated testing.

Requirements

• 2+ years building firmware for resource-constrained systems shipped to real customers and surviving in the field.

• Fluency in C.

• Solid bare-metal and RTOS experience (Zephyr, FreeRTOS, or equivalent), including scheduling, memory, and timing decisions.

• Experience bringing up new boards, including first power-on of unproven hardware at the bench.

• Fluency in low-level interfaces (SPI, I2C, UART, CAN, ADC) and ability to debug at the hardware/software boundary.

• Ability to use bench instruments (oscilloscope, network analyzer, RF spectrum analyzer) to form debugging hypotheses.

• Cross-team collaboration across hardware, firmware, cloud, and quality from concept to shipped product.

• Cross-layer judgment tracing driver-level decisions to customer experience.

• Strong documentation habits (design docs, review comments, post-mortems).

• Ability to iterate quickly with customer feedback using automated testing.

Benefits

• Flexible working model (remote or in-person depending on needs).

• Professional development stipend.

• Comprehensive health plans and parental leave options.

• Base salary range: $113,645–$191,000 USD (varies by location/experience).

• Eligible for an initial RSU grant with no vesting cliff, plus ongoing refresh opportunities tied to performance.