IoT Engineer

· Develop, test and maintain C/C++ firmware on ESP32 / ESP32-S3 microcontrollers for the control boards of automatic car wash stations. · Control actuators (pumps, solenoid valves, motors, power relays) and process sensor signals over UART, SPI, I2C, GPIO, PWM and ADC. · Build and maintain device telemetry to the monitoring platform over MQTT; set up dashboards and threshold-based incident alerts. · Implement Wi-Fi provisioning and automatic device onboarding when new stations are installed. · Deploy over-the-air (OTA) firmware updates with rollback; secure device communication with TLS encryption and digital certificates. · Work with the product – application team to synchronise device state with the JETX application: opening and closing wash sessions, wash validation and reconciliation. · Test firmware on the bench and at live stations; use logic analyzer, oscilloscope and multimeter to analyse and resolve faults. · Support the technical team in installing, wiring, configuring and accepting electronic equipment at stations; diagnose remotely and attend site for complex incidents. · Prepare technical documentation, troubleshooting guides and technical training for the operations team. · Authorised to propose halting or rolling back a firmware release when a risk to station operation is detected. · Perform other tasks as assigned.

· Good health, able to work at the warehouse and at business locations. · Able to travel when required and to provide support outside working hours when an incident affects station operation.

· Income from …… – …… million VND/month, negotiable based on capability. · Full social insurance, health insurance and unemployment insurance as regulated. · Birthday allowance and annual team building. · Annual salary review. · Provided with the equipment, components and measurement tools required for the job. · Travel allowance when working at distant business locations. · Training and professional development; working on an IoT product operating across the entire station network. WORK LOCATION AND WORKING HOURS · Working hours: 8h30 - 17h30, …… days/week. · Work location: No. 23, Street 60 - TML, Cat Lai, Ho Chi Minh City and Jetx business locations. Ngành nghề: CNTT - Phần mềm, CNTT - Phần cứng / Mạng, Cơ khí / Ô tô / Tự động hóa Kinh nghiệm: 1 Năm Cấp bậc: Nhân viên Hình thức: Nhân viên chính thức Địa điểm: Hồ Chí Minh