Staff Firmware Engineer

Pura•Pleasant Grove, UT

About The Position

At Pura, we believe life is better when it smells good. Fragrance has the unique power to transform spaces, elevate moods, and create lasting memories. But we know it can do even more. That’s why we’re pioneering the future of fragrance, combining cutting-edge smart home technology with premium, clean scents to create personalized, meaningful experiences in every home. We’re not just a fragrance company—we’re on a mission to change the way people experience scent. At Pura, we are redefining fragrance as a critical element of design, on par with color, texture, sound, lighting, and furniture. We call this Scent Design—transforming scent from an afterthought into an intentional, skillful component of every space. By blending artistry and science, Pura allows users to design their own “scentscapes” that enhance daily life and craft environments that feel as good as they smell. As a Staff Firmware Engineer at Pura, you will play a pivotal role in shaping the core technology that powers our innovative IoT fragrance devices. Leveraging your expertise in embedded systems, wireless communication protocols, and cloud connectivity, you will drive the development of robust and scalable firmware solutions. You will help us inspire a belief in the power of fragrance to craft and elevate memorable moments for our Owners. This is your chance to make an impact in a high-growth company that’s redefining the way people experience scent.

Requirements

Bachelors or Masters degree in Computer Science, Electrical Engineering, Electronics, Communications, or a related field.
10+ years of professional experience in embedded software/firmware development for IoT devices.
Strong programming expertise in C for embedded systems.
Proven experience with Real-Time Operating Systems (RTOS), preferably FreeRTOS.
Deep knowledge of Bluetooth/BLE, NFC, and WiFi protocols.
Deep experience working with ESP32 family of devices.
Hands-on experience with other hardware platforms such as Nordic, STM, TI, or Microchip controllers.
Understanding of encryption ciphers, security protocols, and cloud-based IoT solutions
Proficiency in using GIT.
Excellent problem-solving skills and the ability to debug complex system-level issues.
Strong written and verbal communication skills to collaborate effectively across teams.

Nice To Haves

Familiarity with PCB design principles and tools like Altium is a plus.

Responsibilities

Participate in the development and optimization of firmware for IoT devices, focusing on Bluetooth/BLE, NFC, and WiFi communication protocols.
Work closely with multidisciplinary engineering teams and product stakeholders to design and deliver seamless, end-to-end solutions from concept to production.
Develop and implement secure communication interfaces for cloud services, with a focus on leveraging AWS IoT Core and similar platforms.
Develop, maintain, and optimize bootloaders and Firmware Over-the-Air (FOTA) update processes.
Debug and resolve complex issues across multiple subsystems to ensure system reliability and performance.
Drive improvements in firmware development processes, tools, and methodologies to enhance team productivity.
Participate in design reviews and ensure firmware aligns with industry best practices and standards.
Support regulatory compliance efforts, including FCC, CE, and UL certification processes, where applicable.
Firmware Development and Debugging: Participate in the architecture, development, and optimization of embedded firmware for IoT devices, ensuring compatibility with Bluetooth/BLE, NFC, and WiFi protocols while troubleshooting and resolving system-level issues.
Cross-Functional Collaboration: Partner with hardware, product design, and cloud engineering teams to deliver seamless, innovative solutions from concept to production.
Cloud Connectivity and Security: Implement and maintain secure communication interfaces between IoT devices and cloud services, with a focus on MQTT.
Bootloaders and Updates: Help with the design and deployment of bootloaders and secure Firmware Over-the-Air (FOTA) update processes.
Process Improvement and Leadership: Advocate for firmware development best practices, drive continuous process improvements, and provide mentorship to junior engineers.