Evolving Systems interview questions

Medium level process, basic questions of c++, linked list, design patters, arrays, first round is coding round and next one is technical and one more technical then manager round, at the end hr round on salary fiscussion

Two of rounds are technical & once i got postive feedback & they said HR round for salary discussion and in between Hirng Manger / Architect ( ABINAY or Abishek ) Need to screen as Architecht he does not know the diff between Front end & Back End once he asked about project flow i explained him as front end & he given once problem i told will solve in react in and give the solution for him for fetching API , He blunlty said dont have knowledge in react then he don't wanna know about Technoligies, But as Architecht he wanna know what is the input given & expected o/p also cant even able to check im not sure how he will architect