Verb conjugation of "échauffer" in French

I would rather like that you write through the messaging system on this site and not to my private email address. All the info is gathered here online and I would like to keep is this way. It is nothing personal.
According to the user's success and failures in the placement test will give us the information where to start the drills for each users. Please note that some general parameters that are not user specific may also be involved in the decision engine.
My company is a consulting firm for IT systems for banks and insurance companies. I work with system analysers and bank employees. It is a big challenge, technically and commercially. I love it.