Amid the recent wave of redundancies and hiring freezes at technology multinationals, it is reassuring to see that the global gaming group Riot Games is still hiring in Dublin. And it is revealing that half of the six vacancies currently open involve work on its tax affairs. As part of its double malt series last year, The Currency detailed how Riot Games had been one of a handful of multinationals to benefit from surviving loopholes in the tax treaty between Ireland and Malta combining generous amortisation of Irish-based intangible assets with Malta’s five per cent special corporation tax rate. Now…