Senior Embedded Engineer

About R-Zero

R-Zero offers smart building technology that delivers real-time insights on optimizing indoor spaces to improve workforce productivity, predict real estate needs, and create operational efficiencies, including reducing energy costs. R-Zero’s smart building solutions include IAQ and comfort monitoring, high-efficiency HVAC filtration, space utilization sensors, occupancy-based building controls, and real estate performance analytics. R-Zero’s connected platform is easy-to-use, secure, and scalable, enabling owners, operators, and their tenants, to prepare their buildings for tomorrow's challenges. Learn more at www.rzero.com.

About the Role

As R-Zero expands our integrations with existing building systems, our ability to connect buildings to our cloud infrastructure is critical to this mission. We’re looking for a startup-minded engineer who can push this vision forward.

As a Senior Embedded Engineer, you will play a crucial role in developing and maintaining R-Zero’s sensor platform. Leveraging your expertise in embedded systems, firmware development, and IoT connectivity, you will work closely with cross-functional teams to design, implement, and test firmware solutions. Your contributions will ensure the reliability, security, and seamless integration of our products within our IoT ecosystem.

This is a hybrid work-location position, with a minimum of one to two days per week spent in our San Francisco office.

Role Responsibilities

• Lead the development and optimization of Linux-based embedded systems for Rzero’s sensors platform.
• Firmware Development: Design, develop, and implement embedded software solutions for linux based systems as well as microcontrollers with a focus on IoT connectivity, ensuring efficient, reliable, and maintainable code.
• Device Communications: Work with Bluetooth Low Energy (BLE),  WiFi, and LTE modems, to enable seamless communication between IoT devices, gateways, and cloud platforms.
• Broad system ownership: as a member of a small, focused firmware team, you will be responsible for all aspects of building and shipping embedded code:
• Build and test: test your own code, push toward build and test automation
• Troubleshooting and debugging: both during development and in the field. 
• Documentation: Create design specifications, technical manuals, and user guides to facilitate firmware development and maintenance.
• Performance Optimization: Identify bottlenecks and optimize firmware code to improve overall system performance, memory utilization, and power efficiency within the context of IoT applications.
• Field Support: Provide technical support and troubleshooting assistance to resolve issues related to firmware and IoT device functionality when deployed in the field. Collaborate with field engineers and customers to diagnose and resolve software-related problems, ensuring timely resolution and customer satisfaction.

About You

• Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field.
• Proven experience (8+ years) in embedded systems development.
• Strong proficiency in Java, python, rust, or C++ programming and software optimization
• Strong proficiency in low-level programming languages such as C.
• Knowledge of real-time operating systems (RTOS) and real-time Linux implementations
• In-depth knowledge of microcontroller architectures, peripherals, and interfaces.
• Familiarity with debugging tools, emulators, and oscilloscopes for hardware/software troubleshooting.
• Experience with software version control systems and issue-tracking tools.
• Excellent problem-solving skills and the ability to work in a fast-paced, collaborative environment.
• Strong communication skills to effectively convey technical concepts and collaborate with multidisciplinary teams.

 Additional Valuable Skills

• Experience working with STM32 and ESP32 microcontrollers.
• Familiarity with device bootloaders and over-the-air firmware updates.
• Experience integrating on-device ML models.
• Familiarity with LTE modems for IoT communication.
• Familiarity with AWS IoT and AWS Lambda for cloud integration.
• Experience working with distributed teams

Compensation Information

The salary range for this position will vary based on candidate level, experience, and location. The base salary for this position contemplates a range of $145,000 - $200,000. Certain roles may be eligible for incentive bonus compensation, equity, and benefits. Proof of eligibility to work in the United States and a backgr