Internship - Embedded Software Designer For a EV reversible charger

location_onMassy (Paris region)
Published the 09 november 2018

Ref: Job1910

Your dream is to work in a fast-growing tech startup? Watt & Well is what you are looking for.


We are experts in power electronics, designing and manufacturing power supplies and motor controllers. We provide equipment for 3 demanding industries: aerospace, e-mobility and Oil & Gas.


Technical innovation and performance are the foundation of our company. Our products are embedded in cutting-edge applications. We provide two critical rad-tolerant motor controllers for the future Ariane 6 launcher. Our 25kW modular power units are integrated in the latest generation of quick chargers deployed across Europe. Our high temperature motor controllers take places inside the tools of a worldwide player of the O&G services, 10km under the ground, at 175°C ambient temperature. 


We are a dynamic multicultural team, composed of 40 employees, based in Massy (Paris area, France), Pertuis (Aix-en-Provence area, France) and Houston (Houston,USA).


Our engineering team is composed of technicians, engineers and PhDs, experts in power electronics, digital control and software, control theory, industrialization and manufacturing. To sustain our growth, we are currently looking for high energy women and men.


We are looking for an intern in embedded software designer in Massy (91), with the objective to be hired consecutively.


Integrated in the technical direction team, the intern will be in charge of designing and improving our current EV charger product line, upgrading the control architecture from a centralized to a distributed control platform.


Main objectives


*      Implement a microcontroller based DCDC controller drivers.

*      Implement the DCDC control laws (via Simulink code generation).

*      Integrate the DCDC stage with an existing PFC stage.

*      Add a user friendly embedded Graphical User Interface (Raspberry PI based for demo).


Main missions


*      C code driver development for peripherals (PWM, ADC, SPI).

*      Code Generation of control laws via Simulink.

*      Qt Python or C++ development of an embedded Graphical interface

*      Integration and validation for new architecture on a prototype




*      You are in the last year of engineering school or equivalent

*      Skills in embedded software, ideally in power electronics.

*      You are dynamic and curious.

*      You are fond of technology.

*      You can communicate in English and in French.



Internship (5 months minimum – Master 2)



Electronics/Software Engineering School



129 Av. de Paris, 91300 Massy, France 




1200€ per month