Firmware Engineer

KEY RESPONSIBILITIES:

We are looking for a talented Firmware Engineer to develop and maintain embedded software for our solar datalogger/controller. You will implement real-time control, data acquisition, communication protocols, and ensure robust connectivity with IoT cloud platforms.

-       Develop firmware for ARM-based microcontrollers and embedded Linux platforms.

-       Implement protocols for energy device communication (Modbus RTU/TCP, CAN, MQTT, SNMP).

-       Develop drivers for sensors, power meters, relays, and communication modules (WiFi, LTE, RS485).

-       Optimize real-time control logic for energy dispatch, storage prioritization, and grid interaction.

-       Enable secure data logging, local decision-making, and OTA (Over-The-Air) firmware upgrades.

-       Work closely with the hardware and cloud software team to enable seamless end-to-end functionality.

-       Ensure stability, memory efficiency, and fault recovery in embedded systems.

-       Write and maintain unit tests, debugging logs, and documentation.

REQUIREMENTS:

-       Bachelor’s or Master’s in Embedded Systems, Computer Engineering, or related field.

-       3+ years of experience in embedded C/C++ development.

-       Strong understanding of RTOS (FreeRTOS, Zephyr) or embedded Linux.

-       Experience interfacing with peripherals (SPI, I2C, UART, GPIO, ADC, PWM).

-       Familiar with secure bootloaders, OTA updates, and secure data transmission.

-       Knowledge of smart grid and energy dispatch logic is a plus.

-       Familiar with CI/CD for firmware, Git, and modern embedded development tools.

BENEFITS:

-       Salary: Negotiable based on qualifications and experience.

-       Performance bonus based on system interaction scores.

-       13th-month salary bonus and other incentives depending on business performance.

-       Seniority bonus based on length of service milestones.

-       Full participation in social insurance, health insurance, and unemployment insurance as per Vietnamese labor laws.

-       24/7 accident insurance coverage for all employees.

-       Annual leave and public holidays in accordance with the law.

-       Additional benefits for weddings, funerals, Lunar New Year, Mid-Autumn Festival, etc.

-       Allowances: Lunch, transportation, phone, laptop, travel expenses... and taxi card for certain positions.

-       Corporate culture: “Aspiration to be different – Different to lead – Lead to succeed.”

-       Professional working environment with talented and friendly colleagues.

-       Opportunities for regular training, personal development, and clear KPI updates.

-       Annual teambuilding and company trips based on business performance.