Just an interview with HR. Then, they sent some algo challenges. They were a little hard. Try to study monotonic stacks and DSA medium problems in platforms like hackerrank. Good luck
I applied online. The process took 4 weeks. I interviewed at LandingAI in Aug 2019
Interview
It was an online quiz of one hour about networking, git, some code snippets, etc... Once you pass that test, they make a coding phone interview and then 2 more with some more difficulty.
The recruiters were not that good. Setting up the meetings was a pain sometimes, they forgot to schedule them and you as an applicant had to remind them. At the end they told me my profile was good but they needed more senior people (why did they make me pass thru 5 interviews to tell me that, I do not know)
Design Excel. The interviewer was interested in the calculation of the formula assuming you only have a type of cell that is numeric or other formulas (used DFS to solve this)