Quantiphi Senior Machine Learning Engineer interview questions

I cleared all the rounds. I even had an HR round. They said they would send the offer but never did. I waited and followed up with them for next 2 months. They even asked me to submit all the documents like payslip agreement in their career portal. The interview pattern Basic Machine learning questions

Technical and behavioral interviews, no coding. Passed and was supposed to talk to their partner/customer company. Took a long time to finally happen and never heard back after the last interview.