Senior Software Engineer, Firmware

Orion Sleep; San Francisco (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Orion Sleep in San Francisco is seeking an experienced embedded systems engineer to design, implement, and bring up firmware for our edge devices. You will own firmware architecture, testing, and maintenance as we scale toward mass production.

The role requires 3+ years of firmware experience, C/C++, RTOS, BLE and WiFi, plus hands-on hardware interfaces. You will collaborate across hardware, mobile, and backend teams to deliver reliable, upgradeable devices.

Qualifications

• 3+ years of experience developing firmware for embedded systems.
• Mastery of C/C++ and embedded development tools.
• Familiarity with RTOS and MCU architectures.
• Experience with BLE, WiFi, and hardware interfaces (SPI, I2C, UART).
• Experience debugging embedded platforms under compute/memory constraints.
• Experience with OTA update mechanisms and production releases.
• Bonus: embedded systems security.
• Bonus: startup experience, taking products from concept to production.

Responsibilities

• Architect, design, and implement the firmware for hardware products.
• Own the device bring-up process and debug alongside hardware vendors.
• Establish observability and maintainability pipelines for firmware testing, deployment, and fleet management.
• Establish coding standards, testing frameworks, and debugging processes.
• Collaborate with hardware vendors, mobile engineers, and backend engineers for seamless product integration.
• Support new board prototyping and bring-up.

Skills

Embedded firmware

C/C++

RTOS

BLE

WiFi

SPI/I2C/UART

Debugging

OTA updates

CI/CD

Startup experience

Tools

CI/CD tooling

OTA mechanisms

Embedded toolchains

Job description

We are looking for an experienced embedded systems engineer to build the device logic and drivers for our launch product. You will be responsible for the design, testing, and maintenance of the edge code for our upcoming generations of the product. This is a critical role and we care deeply about giving our users a performant hardware device.

Orion is building the next generation of intelligent sleep technology - thermal regulation, advanced sensing, and beautifully engineered hardware designed to improve sleep quality and long-term health. We're ramping toward mass production and scaling globally. Embedded Systems Engineering is core to how our system functions and performs.

Responsibilities

• Architect, design, and implement the firmware for our hardware products
• Own the device bring-up process and debug alongside our hardware vendors
• Implement observability and maintainability pipelines for firmware testing, deployment, and fleet management
• Establish coding standards, testing frameworks, and debugging processes
• Collaborate closely with our hardware vendors, mobile engineers, and backend engineers to ensure seamless integration across the product stack
• Support new board prototyping and bring-up

Requirements

• 3+ years experience developing firmware for embedded systems
• Mastery over C/C++ and embedded development tools and environments
• Mastery over RTOS platforms and microcontroller architectures
• Strong experience with BLE, WiFI, and hardware interfaces (ex. SPI, I2C, UART)
• Strong experience debugging embedded platforms, especially with compute and memory constraints
• Experience with OTA update mechanisms and production releases
• Bonus: experience with embedded systems security
• Bonus: EE experience, component selection, board layouts, device bring up
• Bonus: experience with CI/CD pipelines for firmware development and testing
• Bonus: startup experience, experience taking products from concept through production