Senior Firmware Engineer (Embedded Systems)

Location: Shenzhen, China; onsite

Company

hirify.global develops off-grid solar energy systems, appliances, financing solutions, and clean cooking products for households and businesses without reliable grid access.

What you will do

• Develop and debug low-level peripheral drivers for UART, ADC, SPI, I2C, DMA, PWM, RTC, IAP, and LCD interfaces.
• Design and optimize embedded applications for lithium-battery charge and discharge management, solar MPPT algorithms, and MCU low-power operation.
• Build HMI interfaces and device status data-logging functionality.
• Investigate and resolve issues in existing embedded products to improve performance and design quality.
• Write and maintain software design documents and technical specifications.

Requirements

• Bachelor’s degree or higher in Computer Science, Electronic Engineering, Communications, or a related field.
• At least 6 years of embedded software development experience, including a minimum of 3 years working with STM32 and experience with at least one additional MCU architecture.
• Advanced C programming skills and strong software documentation practices.
• Experience integrating BLE, Wi-Fi, GSM, or IoT modules.
• Ability to read schematics, implement hardware drivers, debug independently, and use oscilloscopes and multimeters.
• Professional proficiency in written and spoken English, with experience using SVN, GitHub, and Bugzilla.

Culture & Benefits

• Professional growth in a rapidly expanding, high-social-impact industry.
• Open-minded and collaborative working culture focused on innovation and social impact.
• Multicultural environment with colleagues from different geographies and backgrounds.
• Structured learning and development programs through the hirify.global Center for Leadership.