The process consisted of 3 stages: screening with recruitment, technical interview and client fitting interview.
Screening was conducted in a professional way and also the negotiation together with hiring.
Technical interview was oriented towards figuring out if I am able to learn and work with the technologies. The interviewer was opened to giving hints whenever I was stuck or had no idea.
Client call was a fit interview, I was presented their business and asked to provide solutions on high level while being presented their actual projects. The talk was sincere with ups and downs.