Setup a development environment for the QATracker
The QATracker is the tool that the Ubuntu QA team uses to track the results of manual testing. There are various instances like, http://iso.qa.ubuntu.com, which is used for image testing.
Technically, it is a Drupal instance with some in-house developed modules, hosted at the ubuntu-qa-website project in Launchpad.
The guide for setting up the environment can be found here: https://wiki.ubuntu.com/Testing/ISO/DevEnv.
Once you have a working local version of the the QATracker, you can tackle bugs and feature development! For this task, you merely need to get a local environment ready to go.