After reviewing your post, I am very interested in that due to my experience.
I'm expertise in php, core php, CMS, HTML5, bootstrap, wordPress and many other technologies. I have 8+ year of experience in deLagi
I saw your requirement regarding to develop an application for getting option chain data from stock market. I think you looking for NSE India exchange.
I can develop this application within a day or few hLagi
If you have a data source I can write a data pipeline which can load it daily to a database or file.
Relevant Skills and Experience
Algo trader by night and data analytics consultant by day. Can write R Python SQL SheLagi