Firmware Engineer; Embedded Systems
Job Description & How to Apply Below
Gemstone Lights is recognized throughout North America as a leader in the production and installation of smart home accent lighting, specific to exterior applications. We pride ourselves on having high-quality products and customer service.
At Gemstone Lights, we firmly believe in nurturing meaningful relationships and fostering critical thinking. We take immense pride in the quality of our work and the reputation of our organization. Therefore, we are currently in search of a skilled Embedded Systems Firmware Developer to join our team at our Calgary location. In this role, you will play a pivotal part in programming using Embedded C, with a focus on platforms like the ESP
32.
Role Overview You will design and develop firmware across the full embedded stack—from low-level drivers to application logic—while ensuring reliability, performance, and scalability. This role requires strong hardware understanding and close collaboration with cross-functional teams.
Responsibilities Develop firmware in Embedded C (ESP
32, FreeRTOS)
Build modular, event-driven systems (FSM)
Work across drivers, middleware, and application layers
Integrate with hardware (schematics, PCB debugging)
Implement networking (TCP/IP, MQTT) and device communication (UART, SPI, I2C)
Handle OTA updates and secure communication
Test, debug, and maintain production firmware
Requirements Strong Embedded C experience
ESP
32 or STM
32 + FreeRTOS
Solid embedded system architecture knowledge
Hardware debugging (schematics, PCB)
Experience with common protocols (UART, SPI, I2C, TCP/IP, MQTT)
Proven shipped products
Nice to have AWS IoT Core
TDD
BLE / ESP-NOW / DMX
Qualifications Electrical/Computer Engineering or CS degree (or equivalent experience), P.Eng is an asset
Job Types: Full time, Permanent
Pay: $65,000.00-$80,000.00 per year
Education Bachelor's Degree (preferred)
Experience Firmware: 4 years (preferred)
Language English (preferred)
Location Calgary, AB (required)
Work Location:
In person
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