Robinhood is famous for its referral program. It’s exciting to see users spreading the word across their friends and family. One thing that is interesting about the program is the network effect it creates. We would like to build a dashboard to track the status of the program. Specifically, we would like to learn about…

Problem Statement: Build a service/system that can support defining and running jobs on a schedule. Requirements: Summary (what to design & key choices) Goal: A horizontally scalable, highly reliable job orchestration service (cron-as-a-service). Core components Key APIs Data model (simplified) Scheduling strategy Failure & SLA handling Scaling The VOprep team has long accompanied candidates through various major…