Nortempo is a prominent Spanish human resources and staffing company founded in 1991, specializing in recruitment, temporary employment, and HR consultancy. The company operates across a wide array of industries, including logistics, manufacturing, administration, and healthcare, serving as a major link between businesses and job seekers throughout the Iberian Peninsula.

With a network of over 50 offices across Spain, Nortempo is a significant employer for both local and international talent looking to enter the Spanish labor market. While many of their placements are for Spanish-speaking roles, their extensive reach and variety of positions make them a key resource for professionals seeking to establish a career in different regions of Spain.

Founded in 1991 in A Coruña, Nortempo began as a regional staffing agency before expanding nationwide. Over three decades, it has evolved into a comprehensive HR services group with a presence across Spain and Portugal.

For international professionals

Operates an extensive network of over 50 offices across Spain, offering job opportunities in both major cities and smaller industrial hubs.
Provides a wide range of contract types, including temporary-to-permanent roles which are common entry points for international workers.
Covers diverse sectors such as logistics, healthcare, and administration, catering to various skill sets and experience levels.
Headquartered in A Coruña, the company has a strong presence in Galicia but maintains major operations in Madrid, Barcelona, and Valencia.

Embedded Software Engineer – R&D (Firmware Engineering)

Nortempo

This job was originally posted in Spanish and automatically translated to English. You'll most likely need Spanish to apply.

Requirements

-Degree in Electronic, Electrical, Telecommunications Engineering or similar.
-3–5 years of experience developing embedded firmware, preferably in portable devices or automotive.
-Deep knowledge of ARM Cortex M architecture (interrupts, DMA, MPU).
-Experience with STM32 and the STM32Cube ecosystem.
-Proficiency in Python or C# for internal tools and verification scripts.
-Knowledge of UDS / ISO 14229 (highly valued).
-Good understanding of buses and protocols: CAN, LIN, Bluetooth, OBD-II.
-Advanced use of Git for version control and pipelines.
-Analytical capacity, attention to detail, and technical autonomy.
-English level is a plus.

Benefits

-Stable and innovative project within the R&D area.
-Permanent and direct contract.
-Full-time schedule from 12:00 PM to 8:00 PM.
-Competitive salary based on experience.
-Opportunity for technical growth in a highly specialized environment.
-Work in a collaborative environment with multidisciplinary teams and cutting-edge technology.

Job Description

Do you have experience developing firmware for microcontrollers and do you enjoy being part of innovative projects in the field of electronics and automotive diagnostics? At Nortempo Selección, we are looking for a professional with this profile who enjoys creating high-level technical solutions and collaborating closely with hardware and production teams. If this sounds like you, this opportunity is for you.

Responsibilities

-Design, develop, and maintain firmware in C/C++ for ARM Cortex‑M (STM32) microcontrollers, both at the application level and low-level drivers.

-Collaborate with the hardware team on the commissioning of new PCBs, resolving incidents and optimizing interfaces such as SPI, I2C, UART, USB, ADC/DAC.

-Integrate and validate communication protocols (Bluetooth, CAN, LIN, Ethernet, OBD-II).

-Develop software tools for production: flashing automation, serial number assignment, and EOL verification.

-Perform unit and integrated tests in HIL environments to ensure firmware stability and reliability.

-Design and maintain secure bootloaders and OTA update systems.

-Work with tools such as Git, CI/CD, and STM32CubeIDE / Keil / IAR environments.

-Collaborate with external suppliers and multidisciplinary teams in the development of new products.

Do you want to be part of a team where your knowledge of embedded firmware makes a difference?

Apply now and take the next step in your career within the technology sector!

View original advert (Spanish)

¿Tienes experiencia desarrollando firmware para microcontroladores y te gusta formar parte de proyectos innovadores en el ámbito de la electrónica y el diagnóstico automotriz? Desde Nortempo Selección estamos en búsqueda de un/a profesional con este perfil, que disfrute creando soluciones técnicas de alto nivel y colaborando estrechamente con equipos de hardware y producción. Si este es tu caso, esta oportunidad es para ti.

Funciones

-Diseñar, desarrollar y mantener firmware en C/C++ para microcontroladores ARM Cortex‑M (STM32), tanto a nivel de aplicación como drivers de bajo nivel.

-Colaborar con el equipo de hardware en la puesta en marcha de nuevas PCAs, resolviendo incidencias y optimizando interfaces como SPI, I2C, UART, USB, ADC/DAC.

-Integrar y validar protocolos de comunicación (Bluetooth, CAN, LIN, Ethernet, OBD-II).

-Desarrollar herramientas de software para producción: automatización de flasheo, asignación de números de serie y verificación EOL.

-Realizar pruebas unitarias e integradas en entornos HIL para asegurar la estabilidad y fiabilidad del firmware.

-Diseñar y mantener bootloaders seguros y sistemas de actualización OTA.

-Trabajar con herramientas como Git, CI/CD y entornos STM32CubeIDE / Keil / IAR.

-Colaborar con proveedores externos y equipos multidisciplinares en el desarrollo de nuevos productos.

¿Quieres formar parte de un equipo donde tu conocimiento en firmware embebido marque la diferencia?