We need to implement two-way exchange between any web solution and configuration on 1C platform.
Web solution can be any - own site, mobile application, ready-made software product (Bitrix24, amoCRM, etc.)
Links to ready-made solutions for integration. Be careful here, because there are risks of implementation. Also need to study the api
The technology from the 1C - also any, but I recommend using http or web services, as the most popular
Instead of 1C you can do either in python, or in java, in what to do you choose