Overall the process was fast and smooth (took me about one month total). The recruiting team was communicative throughout the process.
Step I: A small data assignment that takes about 30min - 1hr to complete (use excel)
Step II: An interview with one senior research analyst on the team (background information, why interested in the role etc.)
Step III: A one-week long big assignment (produce a 2-3 page research report on MELI using data and other resources Yipit provides)
Step IV: A super day with four back-to-back interviews (pitch the MELI report, a live data case, various behavior questions)