Paytm payment with google app engine . prototype

I am Network Security certified and always on the lookout for training and new trends in the technology. I take direction well and can complete a heavy workload and complete projects under minimal supervision. As a developer, I make algorithms and coding stuff (java, c, c++, c#), i have experience of 4 years in this field. I know very well about DES algorithm and i am expert in it. Kindly reply me soon so we can discuss more about this.