Equifax Big Data Engineer interview questions

Messy and uncoordinated process, turned me off the company. Started with HR phone screen, which determined I would need to be placed on a more senior position than I had applied and would check with the team if there was a requirement for that. Later received numerous unscheduled phone calls from a foreign number leaving voicemails to call them back. 2 months later received and email asking how my interview 'yesterday' went. Replied saying they must have me confused as I wasn't aware of any interview. No reply to my email. Would not consider applying to the company again.