【エンジニアリング・研究開発部】組み込みエンジニア

■Engineering & Research Division / Embedded Software Engineer ■Summary We are seeking an Embedded Software Engineer who will be responsible for developing and optimizing embedded systems at the heart of our energy storage solutions. You will work closely with our embedded designers, edge computing experts, and packaging engineers to design, implement, and debug firmware for real-time control and systems. ■Job Scope - Development of embedded systems using microcontrollers - Design and implementation of peripheral drivers (e.g., UART, SPI, I2C, ADC, PWM) - Specification design based on device datasheets and reference manuals - Testing and debugging software in collaboration with the hardware team - Real-time control and performance optimization using peripherals ■Language C, Matlab, RTOS ■Internal common IT tools - Google Workspace （Gmail, G-cal, Gmeet等） - Slack - Notion - Dialpad - SmartHR - Money Foward - Bakuraku etc. ■About Engineering and Research Division Our Engineering and Research Division consists of mainly three teams that handle end-to-end development of Hardware and software systems for Energy storage & power transfer solutions and services. Currently, approximately 50 specialists are engaged in the mission of advancing energy storage technologies and solutions. The Division is organized into the following teams: - Series Development: Responsible for prototyping, testing & validation , requirements engineering , series handover of new products including product support and commissioning. - Advanced Engineering: Responsible for development and experimentation into emerging technologies to sustain our current and future roadmap of energy solutions with focus on a areas viz. embedded development, PCB design, model based development, battery management, power conversion, digital twins, edge computing, cloud solutions ,AI/ML based dispatch optimization, generation and forecasts. - Product Lifecycle Management: Manages product & project life cycles by tracking across quality gates through development, sourcing, value engineering leading up to manufacturing and after sales activities through cross functional coordination and data intensive product life cycle assessment Working alongside talented engineers from around the world, you will have the opportunity to thrive in a diverse environment that values autonomy and empowers individuals to make effective contributions while gaining new skills and experiences on some of the latest emerging technologies directly applied into our solutions.

- Experience in embedded software development using C - Understanding and, if necessary, experience with assembly language - Hands-on experience with microcontroller architectures (e.g., ARM Cortex, RISC-V) - Configuration and control of peripherals such as UART, SPI, I2C, ADC - Experience with register-level peripheral configuration and developing based on datasheets and circuit diagrams - Debugging skills using tools like oscilloscopes and logic analyzers - Experience implementing real-time control using interrupts and timers - Experience with embedded development environments (e.g., Keil, IAR, GCC, Eclipse) - Basic skills with version control tools (e.g., Git)

- Experience developing with real-time operating systems such as FreeRTOS or μC/OS - Knowledge and implementation experience with low-power modes and power management - Experience implementing communication protocols such as CAN, Modbus, or Ethernet - Development experience using frameworks such as HAL (Hardware Abstraction Layer) or CMSIS 5. Advanced Debugging Skills - Debugging experience using JTAG or SWD

- Proactively take on new challenges and approach difficult tasks with a positive mindset - Excel at coordinating and communicating effectively with both internal and external stakeholders - Embrace change and adapt flexibly in dynamic, fast-paced environments - Take initiative to identify and address issues independently - Possess strong communication skills, both verbal and written -Demonstrate a willingness to actively learn and grow in unfamiliar areas - Available to work at our Lab on a daily basis