Earlier this year a friend sent me a video showing how he implemented a phone bill calculation challenge using Scala. I took a stab at it using Java + Data Pipeline and below is what I came up with.
How about you? How would you code this using your favourite language or framework?
We’re hiring a new Java developer and decided to start by asking them to write code instead of the usual Q&A.
Recently we needed to add an hourly scheduler to our sliding window data aggregator and decided this would be a good test to see how people think and code.