Boston — CloudBees, a cloud computing software start-up, sealed an additional $10.5 million in Series B financing Monday to further the development of their cloud platform as a service for Java web applications and to expand marketing and sales.

Led by Lightspeed Venture Partners, the company also received backing from Matrix Partners which led the startup’s $4 million Series A round in November.

Launched in 2010, the startup offers companies a platform to develop, manage and run Java applications in their cloud service — a Platform-as-a-Service (PaaS).

“Since our launch and initial funding in November of 2010, we have been heads down in the effort to deliver critical, first-to-market innovations for cloud-based Java development and deployment,” said Sacha Labourey, CloudBees’ CEO, in a statement.

Lightspeed Venture managing director John Vrionis, who has joined CloudBee’s board of directors, found the investment necessary for a company who fosters Java application development in the cloud.

“They have built the first end-to-end production-ready Java platform for the cloud, and they are already demonstrating that their technology has a positive impact on the way that businesses build and deploy Java applications,” said Lightspeed Venture’s John Vrionis, in a statement.

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