Firmware Engineer (IoT SaaS)

Full-time Onsite | Seoul, S. Korea | Engineering

Responsibilities

Actively work with customers to address technical questions related to their design activities
Conduct root cause analysis to identify underlying issues causing problems for customers
Support troubleshooting and debugging of customer design issues, and recommend solutions by collaborating with internal engineering team, project leads, and/or managers
Support and develop customized software to meet customers' requirements
Work closely with the sales team on each account to ensure customer satisfaction
Engage and coordinate with cross-functional teams both internally and externally

Bachelor's degree in Computer Science, other STEM degrees, or equivalent experience
5+ years of relevant firmware, app, and embedded systems experience
General understanding of mobile communication systems and wireless communication methods

1. Porting experience with various MCUs (STM32 / PIC / Atmel AVR)

Controlling other (peripheral) devices via data communication such as UART, SPI, SDIO, I2C, etc.
Controlling Motor / LED using PWM
Controlling various sensors (e.g. temperature/humidity, gyro/acceleration)
Development of P-control / PI-control algorithms
ADC, DAC data detection

Experience in IoT Product Development
Knowledge of multiple OS and frameworks for building IoT and connectivity-based applications such as FreeRTOS and nimBLE
BLE communication system development based on MQTT protocol
IoT product development using WiFi / BLE communication
GPS receiving module interface (preferred)
LTE modem and wireless communication device interface (preferred)