Lead Embedded Firmware Architect, Battery Management

Moonwatt; Diemen; On-site; EUR 60,000 - 96,000; Full time

Job summary

Moonwatt is building the next generation of energy storage systems, and we seek a Firmware Engineer to own the firmware architecture for our Battery Management System. You will design, implement, and validate embedded software to monitor and control battery performance, and mentor teammates as you shape our engineering standards.

You will work closely with hardware engineers to integrate firmware with microcontrollers, sensors, and communication interfaces, while leading testing to ensure safety

Qualifications

• 3 to 15 years of embedded firmware experience in real-time, safety-critical systems.
• Strong C/C++ for embedded systems and RTOS experience.
• Experience with MCU families (e.g., STM32) and hardware debugging tools.
• Familiar with Git and agile development methodologies.

Responsibilities

• Lead the full-stack design, development, and optimization of embedded firmware for the Battery Management System.
• Architect scalable, modular firmware systems and define system-level requirements and protocols.
• Mentor junior engineers and drive best practices in firmware design.
• Collaborate with hardware engineers to integrate firmware with components and interfaces.
• Design and execute comprehensive testing to validate firmware reliability and safety.
• Diagnose hardware–firmware issues using scopes, analyzers, and debuggers.
• Create documentation for architecture, code, and testing procedures.

Skills

C/C++ for embedded

RTOS

MCUs (STM32)

Hardware debugging

CAN Modbus SPI I2C UART

Git & Agile

Python scripting

Education

Bachelors or Masters in Electrical/Computer Engineering or CS

Tools

JTAG

Oscilloscopes

Multimeters

Job description

Moonwatt is building the next generation of energy storage systems, and we seek a Firmware Engineer to own the firmware architecture for our Battery Management System. You will design, implement, and validate embedded software to monitor and control battery performance, and mentor teammates as you shape our engineering standards.

You will work closely with hardware engineers to integrate firmware with microcontrollers, sensors, and communication interfaces, while leading testing to ensure safety