Complete the coding challenge in Java

Hi, I'm Abhijit Mondal from Bangladesh and my background is in Computer Science and Engineering at Bangladesh University of Engineering and Technology. I am an expert Java and Android developer and I have 5 years of experience coding with these languages. I have read the job description you provided above. I am very much familiar and interested to develop your required software with Java. Also I'm a preferred freelancer in this site by virtue of Java coding skills. If I get the proper job description, I will start from right then working on it as I am completely free to work in next few weeks. I think it will be nice working for you.