Bitcoin core is written in C, so any IDE / text editor + compiler would be enough.

For solidity, you can take a look here (https://solidity.readthedocs.io/en/develop/).
Multiple plugins for several IDE's are available, according to the docs, remix(https://remix.ethereum.org/), a browser based IDE, is suggested for developing smart contracts.
However, you can find an solidity extension for visual studio here: https://marketplace.visualstudio.com/items?itemName=ConsenSys.Solidity.