Science & Technology Facilities Council (STFC) are advertising industrial year placements for next year, developing data analysis software for scientific instruments (C++ and Python).
http://www.isis.stfc.ac.uk/vacancies/sandwich-student—developing-data-analysis-software15533.html
BT have a vacancy currently advertised for a software engineer/web developer in Cardiff, closing today (15th August).
https://bt.taleo.net/careersection/external/jobdetail.ftl?job=50150&lang=en
Worldpay have got four graduate programmes, all closing 21st August, based in London and Cambridge, starting at £28k.
http://www.gradcracker.com/hub/605/worldpay/graduate-opportunities/