I suggest you use Python as primary language of service.
Relevant Skills and Experience
I have skills in:
- Python, async Python3,
- a lot of Python webframeworks (Django, Flask, aiohttp)
- SQL DB (Postgres, MySQL, MsSQL)
- noSQL DB (redis, Tarantool)
Proposed Milestones
$250 USD - Project plan, architecture design
$250 USD - Database coding, Crawler and uploader coding
$250 USD - Simple UI for browse, filter, export results
$361 USD - Deploy and finalizing