Very huge possibility. In as much as Ethereum has it pros and cons, so does Binance. Binance is quite innovative and smart in fast implementation, the project sure has a lot of potential considering its own technicalities. Ethereum has gained a place in the cryptospace and it will certainly maintain it place for long as the blockchain is steadily getting modernized to meet current realities.

You must be a genius to have a knowledge of these 3 languages all to yourself alone.
It would be better to have a specific specialty, this way you can become really good in one of the technology.

You should include at least a link to your resume and work experience or sampler. This will give more insight to prospective clients on what level of capabilities you have and what you have done before.

I will like to know much about the hosting service that you offer to your clients.