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Microsoft snaps up London startup jClarity

Microsoft has acquired a London startup specialising in Java as demand for the programming language continues to rise among clients of its cloud computing platform Azure.

The acquisition of jClarity will enable Microsoft to increase the performance of workloads managed through Java on Azure, the company said in a statement announcing the news.

The tools developed by the company, which was founded in 2012 and is based in Hackney in East London, are focused on Java performance tuning, but jClarity is also a key contributor to the AdoptOpenJDK community which develops open source Java binaries.

The company’s former chief executive, Martijn Verburg, said in a blogpost it had been “a no-brainer to enter negotiations” with Microsoft. “jClarity will be bringing its expertise in Java, OpenJDK and performance tuning and applying that to Java workloads on Azure for customers like Adobe, Daimler, and Société Générale,” he wrote. “We’ll also be supporting other services such as Azure HDInsights and Microsoft affiliated organizations such as Minecraft.”

Microsoft said it had observed a significant growth in the use of Java on Azure in recent years, including “multiple large-scale deployments, such as Azure HDInsight and Minecraft”. It added: “With more than half of compute workloads running on Linux, Azure has become a great platform for open source, and that certainly includes Java.”

Verburg has joined Microsoft as its principal engineering group manager for Java. Asked if the entire team was due to be retained as part of the deal, a Microsoft spokesperson told NS Tech: “We expect many of the jClarity team to join Microsoft. As company policy, we do not disclose personnel matters, so we don’t have anything additional to share.”

The terms of the deal have not been disclosed.