annotate the web information (JSON/MongoDB)--long run project

We need a freelancer with strong learning ability, who can understand the MONGODB database and to use JOSN format storage data (javascript object notation), preferably with certain financial knowledge. We'll give you a list of naming rules field, the freelancer annotate the webpage information according to the mapping relationship between the website content that is to be crawled and the required fields. It would be the best if the freelancer have some financial knowledge, because we would require you to provide a reasonable field name in accordance with your own understanding when some of the storage formats are not filled in the field table or missing.