Backend Certified Magento Developer 1.x

Looking for a backend certified Magento developer in Magento 1.9. Only certified. Do not make an offer if you can't show your certify. We have lots of Magento task to be made. First we will test to see if you can solved one issue, and afterwards we will provide additional work. The first task is: Ajax refresh in lightcheckout cause multiple shipping option. "At our lightcheckout, our custom shipment module shows the shipping multiple (two times) This only appear with gomage lightcheckout. With default there is no problem. It's appear to the ajax refresh in Gomage lightcheckout there is causing the issue. The issue can be solved by adding @ignore_duplicate_shipping_gls@', $html, $match to the observer in our custome shipment module. However then the shipment module does not work probaly. Needs to be fixed the correct way".