Redis & Memcached
Used 'em both, and prefer Redis. Have configured Redis through CloudFormation and debugged more Memcached problems than my brain will allow me to remember.
Principal Web Developer & Tech Lead - BBC iPlayer Radio
2012 - 2017
Leading the team both in terms of software development and line management, my main achievement was the design and implementation of the next-gen PHP platform for iPlayer Radio; from the RPM build tools to package the app through to leading the development of client libraries and application paradigms. The resulting composition based architecture scaled to over a million requests a day on minimal hardware (~ 5 instances total)