How is a product like Figma Developed

Hi I am a Web developer and I am in my college last sem I am trying to build a software like Figma for my college project but was unable to successfully build it because I had no clue on what technologies and tech stack to use to build a software like Figma so can someone in the community please help me out by guiding me on what technologies to use to build a web app such as Figma so that I could get my project built.