Developing a web search engine in a specific niche market

Need advices and skills to:
1-Make a choice between buying a part of the hardware and exclusively use web services.
2-Develop the search engine

Deliverables
-code completed
-admin & user interface
-I Will exchange some documents (specifications) with the freelancer.

I mean I want to develop an innovative product using NLP, text analysis, graph, deep learning technos if possible, etc... (no use of scrapping technics such as Scrapy, BeautifulSoup, selenium, etc...)