KAYAK Software Engineer interview questions

The title had Java in the name but was not sure exactly. Spoke with a Recruiter who sent me a take home. I had clarifying questions but there was no response to any of them via email. After completing it, they continued to ghost me. I found that recruiter on LinkedIn and saw they left the company, but have left me without any other contact and unofficially rejected me. I felt like my time was not respected considering the take home style assignment was done on my own time. The least they could do was to update/pass on my candidate profile and not leave me hanging.