AWS API Series
Amazon Web Services has an incredibly powerful public cloud ecosystem which developers can leverage to build applications that scale massively. If you can think of the technology, chances are AWS has a managed version available for you to use. Clustered databases, high availability failover, edge location caching, scalable compute solutions, graph and noSQL engines, supervised machine learning are just a few of the solutions available to you.
Here some articles I have written on various services offered by AWS.