I can help you greatly with Node/Javascript, React, Elixir/Phoenix.
I can also help you with a bit of Python, Ruby on Rails, some devops stuff and even a bit of .NET!
Worked on different projects as Senior and Lead developer using Node.js for creating backend APIs for multiple clients to consume.
I have frontend experience so I also was working on some clients using React.
Currently an Elixir engineer for some soft-realtime projects