Oracle Certified Expert, Java EE 6 Web Component Developer (1Z0-894)

https://www.youracclaim.com/badges/3b8d5621-e0ad-4517-92a2-9fe5a3bb758f

 

Oracle Certified Professional, Java SE6 Programmer (CX-310-065)

https://www.youracclaim.com/badges/3c0cb791-cf69-4215-866a-117bcec84159/

 

Vaadin 7 Certified Developer

https://vaadin.com/certificate/-/view/4e22475480223d33689c1d82ab2f56e6