Worst interview experience till date

I had an interview today with a service-based company. The first round was conducted by someone who used to be a content writer but is now a community lead with no design background.

During the interview:

Interviewer: Asked me to showcase my proudest work. Me: Presented a detailed walkthrough of a feature, explaining every design decision and inviting questions throughout. Interviewer: Expressed high praise for my work and asked about my design system. Me: Explained my design system approach, including the collaboration and cross-team communication it required. Interviewer: Continued to be impressed. Me: Thanked them. Interviewer: Inquired about my salary expectations. Me: Stated my expectation. Now things gets mad Interviewer: Criticized my design system as outdated and implied my work could be done by a beginner watching YouTube. Asked me to prove my worth was really upto the salary expectations. Me: Pointed out that I had already justified my value through my work during the past 50 minutes.

It's disheartening that the interviewer discredited my soft skills and the experience I gained from two years of designing. They seemed to dismiss my achievements due to a lack of "full-time experience." It would have been more appropriate if they had asked follow-up questions about my portfolio. This experience felt like a waste of time, as the interviewer appeared immature and conducted the interview poorly, despite having over 8 years of experience. It's a disappointing and unprofessional approach to an interview.