What programming language write program Jungle Scout?

Well easy to lookup even if you do not know how to code. Here a part of their job description full stack developer:

• Done this before. We believe experience is best measured in results and intensity (not years), but you need to have been in this software development game a while. You also need to have experience with some subset of our primary tech stack: Ruby on Rails, Node, React (or other Javascript frameworks), Postgres, Redis. We’re thinking more than five years.

Marcel Freiberg said:

Well easy to lookup even if you do not know how to code. Here a part of their job description full stack developer:

• Done this before. We believe experience is best measured in results and intensity (not years), but you need to have been in this software development game a while. You also need to have experience with some subset of our primary tech stack: Ruby on Rails, Node, React (or other Javascript frameworks), Postgres, Redis. We’re thinking more than five years.

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Java, PHP, Javascript, C, C++, Python

These knowledge can write this program?

Sorry you have to be a bit more specific.
Most of the languages you mentioned are able to:
- gather information
- to store information
- to show information on a website.

They are using redis and Postgres for the backend and cache.
Would guess Ruby on Rails and Node for Backend/Bots and API
React and bootstrap for webfrontend
WordPress for landingpages...