Backend developer for chatbot AI tool

We are revolutionizing the Flight booking experience to a chatbot powered by OpenAi

We need someone:
Who is capable of building a backend server and integrating APIs into it.
(API integrations involve the chatbot we're building + probably a better control of the Flight API wehave)
Capable of creating a database
Can also do front-end
Familiar with cloud

In terms of technical skills:
Minimum 2 years Backend development experience ( NodeJS or Ruby on Rails)
Minimum 1 year SQL or NoSQL integration
Capable of building front-end mockups (e.g. Reactjs)
At least 1 year or experience with cloud technologies (AWS/GCP)