How are you, sir. I have checked your post. And I just have known that you want a developer to work for your job - 'long-term data analyze system development'
I have much and in-depth experience and expertise in developing this kind of technology and job. Also I am familiar with similar jobs
I have mastered skills such as Excel, PHP, MySQL, Software Architecture and so on.
Please send your message to me, so we can discuss more over chat.