To quickly find a Freelance mission , you can also work with IT services companies and Service Companies which are the first clients of Freelance Engineers! It is useless and moreover impossible to list them all, but you surely already know a certain number of them: ATOS, CAP GEMINI, SOPRA-STERIA, ALTRAN, ALTEN ...
Indeed, ESNs do not hesitate to call on Freelancers when they have a mission to fill and do not have the skills in-house! In addition, going through Freelancers allows IT services companies and Service Companies to better manage their resources, because they can then respond favorably to their client's needs while avoiding hiring.
They also know that Freelance Engineers are recognized professionals in their field and that they will do their utmost to satisfy the end customer ... their credibility depends on it!