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Oporto (Porto), Portugal Maia

How do you imagine the future?

Our purpose is to create a smarter future for a better life. We count on you to join us and help build a better world for future generations.


Who we are:

Efacec is a company with 75 years of history innovating across the world we share, operating in sectors that structure society and are of recognized importance in all the geographies in which it is present, promoting change and positively impacting millions of people.

In Portugal, we are located in Arroteia (headquarters), Maia and Oeiras, also having a global footprint with a presence in 13 countries and sales in more than 86 countries.


What are we looking for?

To reinforce our Technology team at the Electric Mobility Unit, we are looking for a Firmware Engineer to support the Embedded Software Development of electric vehicle charging stations, for our Maia Site.



  • Design and develop firmware for electronic devices, ensuring high quality and performance;
  • Collaborate with the hardware and software teams to integrate the firmware into the final product;
  • Perform rigorous testing to identify and fix bugs, ensuring firmware stability and reliability;
  • Participate in the full development cycle, from project design to firmware maintenance and upgrades;
  • Clearly and accurately document the firmware development process, specifications, and guides.



  • BSc or MSc in Electrical/Computer Engineering;
  • More than 2 years of experience in embedded software development;
  • Knowledge of firmware implementation on platforms such as STM32Cube;
  • Experience in implementing communication drivers such as Modbus, CAN Protocol, HAL Drivers;
  • Experience in C, C++, Python Knowledge of operating systems such as Linux;
  • Ability to work with targets and deadlines;
  • Orientation for the team;
  • High problem solving ability;
  • Good learning ability;
  • Ability to have attention to detail;
  • Good verbal and written communication skills;
  • Good English skills.


What we offer:

  • Possibility to integrate a renowned business group with a strong international presence;
  • Possibility of learning and training on a "learning by doing" basis;
  • Access to training through our Mast3r Academia (internal training academy) and partner entities;
  • Permanent access to our medical and nursing services;
  • Access to protocols and strategic partnerships;
  • Possibility to work in a hybrid regime (presential/remote).