There is an initial phone interview with HR, in which they ask why you're interested in working at Dataminr, why you'd be a good fit, etc. If that goes well, there is a second interview with a manager in the division you've applied to. That interview has three parts: they ask about your CV, your knowledge of current events, and your knowledge of how to leverage Twitter to deliver news. If that goes well, there is an timed online test in which you are asked to translate tweets in foreign languages into news headlines based on the company's format, which is given.