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Firmware Engineer

Company: R-Zero
Location: San Francisco
Posted on: February 10, 2024

Job Description:

About R-Zero

R-Zero is on a mission to deliver a better future for all via safer, healthier shared indoor environments. Working here means you'll help create a new category-one that bridges science, public health, and technology. You'll ask why and achieve new outcomes, developing skills beyond your existing scope of expertise. You'll join a diverse team of forward-thinkers, collaborating on work that will shape the future of human health. No playbook exists for the problems we are solving, but our science-based approach and revolutionary technology ensure that together, we will change the world.

Role Overview

As a Firmware Engineer, you will play a crucial role in developing and maintaining firmware for microcontrollers used in our IoT-connected products. 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 and Menlo Park offices.

Responsibilities

  • Firmware Development: Design, develop, and implement embedded software solutions for microcontrollers, with a focus on IoT connectivity, ensuring efficient, reliable, and maintainable code.
  • IoT Connectivity: Use industry-standard protocols and products - such as MQTT, AWS IoT, Timescale and Grafana - gather and act on data from fielded devices.
  • Device Communications: Work with Bluetooth Low Energy (BLE), WiFi, and LTE modems, to enable seamless communication between IoT devices, gateways, and cloud platforms.
  • Testing and Debugging: Conduct thorough unit and integration testing of firmware, identify and resolve software defects, and optimize device performance.
  • Code Maintenance: Lead code reviews, debugging and bug fixes efforts.
  • IoT Cloud Integration: Collaborate with teams to integrate IoT devices with cloud platforms, particularly with AWS IoT and AWS Lambda, to enable data processing, storage, and device management.
  • Documentation: Prepare documentation as needed including software 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.
    Requirements
    • Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field.
    • Proven experience (8+ years) in embedded software development, with a focus on firmware development for microcontrollers.
    • Strong proficiency in low-level programming languages such as C.
    • In-depth knowledge of microcontroller architectures, peripherals, and interfaces.
    • Hands-on experience with embedded systems, real-time operating systems (RTOS), and real-time applications.
    • 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 with IoT connectivity protocols (e.g., MQTT, HTTP) and frameworks.
      • Experience working with STM32 and ESP32 microcontrollers.
      • Familiarity with device bootloaders and over-the-air firmware updates.
      • Familiarity with LTE modems for IoT communication.
      • Familiarity with AWS IoT and AWS Lambda for cloud integration.
      • Familiarity with Python
      • Experience with C or C++ build system tools (e.g. CMake).
      • Experience working with distributed teams

        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 $150,000 - $200,000. Certain roles may be eligible for incentive compensation, equity, and benefits. Proof of eligibility to work in the United States and a background check is required upon employment.

        R-Zero's benefits program underscores our commitment to health equity and care for all people-including our employees. Some of these benefits include:
        • Unlimited vacation, paid holidays
        • Competitive total compensation with equity:
          • Competitive compensation-backed by market research and audited annually for pay disparities-is our baseline. In addition to competitive base bay, every member of our team receives equity. We believe shared ownership leads to shared success.
          • Healthcare benefits (medical, dental, vision) starting on day one. We offer coverage for employees, their spouses/domestic partners, and their children.
          • 12 weeks paid parental leave for all genders
          • 401(k) program starting on day one
          • AD+D and life insurance

            R-Zero is an equal opportunity employer, committed to creating a diverse and inclusive global work environment. We are committed to a policy of Equal Employment Opportunity and do not discriminate against an applicant or employee on the basis of any legally recognized protected basis under federal, state, or local law, including the San Francisco's Fair Chance Ordinance.

            Studies show that women and people of color tend not to apply for jobs if they don't meet every single qualification. We encourage you to apply-even if your experience doesn't perfectly align with every bullet point in the job description. You may be just the right candidate for this, or another opportunity.

            By submitting your application, you acknowledge that you freely give informed consent to the collection, processing, use, and storage of your personal information as described therein.

Keywords: R-Zero, San Francisco , Firmware Engineer, Engineering , San Francisco, California

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