Embedded Systems Engineer (Full-Stack Embedded)

**This position is hybrid. Candidates must reside in Minnesota and be able to work from our Minnetonka, MN office on a regular basis.

King Technology is a Minnesota-based innovator that designs and manufactures smart water care solutions for pools and hot tubs. Known for its patented technologies and purpose-driven culture, King Technology is committed to making water care easier while “Enriching Lives Daily” for customers, employees, and communities.

The Embedded Systems Engineer will own and advance King Technology's new product ecosystem across both device-level firmware and cloud-connected telemetry solutions. This role serves as the bridge between physical hardware and digital services, developing firmware for microcontroller-based products while helping manage data visibility through cloud-connected dashboards and reporting tools.

The ideal candidate enjoys working across the full embedded stack, from sensors and on-device firmware to wireless communications, telemetry systems, cloud connectivity, and customer-facing dashboards. They are highly self-driven, learn quickly, and thrive in environments where ownership and initiative are expected.

Essential Functions:

• Firmware Development: Design, develop, test, and maintain embedded firmware in C/C++ on ARM Cortex-M, ESP32, or similar embedded platforms.
• RTOS & Embedded Systems: Develop and support RTOS-based or bare-metal embedded applications.
• Sensor Integration: Interface with sensors and peripherals using I2C, SPI, and UART communication protocols.
• Wireless Connectivity: Implement and support wireless technologies such as BLE, Wi-Fi, and LoRa.
• Hardware Integration & Debugging: Troubleshoot hardware and firmware interactions using oscilloscopes, logic analyzers, and JTAG/SWD tools.
• Cloud & Telemetry Systems: Support device-to-cloud communication and telemetry reporting solutions.
• Dashboard Development: Help develop and maintain internal and customer-facing dashboards for new product reporting and analytics.
• Product Ownership: Assume ownership of deployed firmware systems and contribute to the ongoing development and support of products.
• Cross-Functional Collaboration: Work closely with engineering, product, consultants, and external partners to deliver product enhancements.
• Other duties as assigned

Key Competencies:

High Priority

• Strong C/C++ embedded development skills.
• RTOS experience (FreeRTOS, Zephyr, or similar) or bare-metal firmware development.
• Microcontroller development experience (ARM Cortex-M, ESP32, or similar).
• Sensor integration and communication protocol experience.
• Strong troubleshooting and debugging skills.
• Ability to independently learn and understand existing codebases.

Medium Priority

• Bluetooth Low Energy (BLE).
• Cloud-connected devices and telemetry systems.
• Python scripting and automation.
• Hardware test equipment and debugging tools.
• Dashboard development and data visualization.

Nice to have’s

• Embedded Linux.
• CAN communication.
• Advanced cloud architecture experience.

• BS degree in Electrical Engineering, Computer Engineering, Computer Science, or related technical field.
• 2–8 years of professional experience in embedded systems, firmware development, or related engineering roles.
• Professional experience developing embedded software using C/C++.
• Experience with hardware debugging tools including oscilloscopes, logic analyzers, and JTAG/SWD debugging.
• Experience working with I2C, SPI, and UART communication protocols.
• Wireless protocol experience (BLE, Wi-Fi, LoRa, or similar) preferred.
• Experience supporting connected devices, telemetry systems, or IoT applications preferred.
• Embrace and foster company values of Excellent, Selfless, Courageous, Integrity and Safety.

Work Authorization Requirements

• Candidates must be legally authorized to work in the United States at the time of application.
• King Technology does not sponsor employment visas for this position and will not provide current or future employment sponsorship.
• Applicants must be able to maintain authorization to work in the United States without employer sponsorship.
• This position follows a hybrid work model. Candidates must reside in Minnesota and be able to work regularly from our Minnetonka, MN office.

What is it like working at King Technology?

Our culture is built on our Mission, Vision, and Values. They are more than words on a wall. They guide how we work, how we treat one another, and how we serve our customers every day.

At King Technology, you'll find people who lead with Integrity, act with Courage, strive for Excellence, prioritize Safety, and demonstrate a Selfless attitude in their interactions with teammates, customers, and partners. These values are reflected in everyday actions, from small acts of kindness to major business decisions.

We believe our differences make us stronger, and each team member contributes their own talents, experiences, and perspective to our culture. Together, we create an environment that encourages collaboration, innovation, accountability, and personal growth.

We're looking for people who not only have the right skills, but who genuinely align with our values and want to make a positive impact on their team, our customers, and our community.

Join us at King Technology and help shape a culture where people, purpose, and innovation thrive together.