1 OA + 3 on-site interviews. The process took 3 weeks-1 month, All interviews were done in french but there is a possibility to do it in english as well.
Questions d'entretien [1]
Question 1
ACF, coding questions from leetcode, brainteasers (with dice or cards)
J'ai postulé via la recommandation d'un employé. Le processus a pris 2 semaines. J'ai passé un entretien chez Euronext
Entretien
Before the interview, I had a coding test on CodinGame (like HackerRank but easier, each exercise was solvable in one line), then a behavioral interview discussing my skills and motivation, a brainteaser interview testing my logical reasoning and a math interview testing my probability knowledge.