I'm a development and i can help you with Perl and Python. I have more than 15 years experience in soft development
Use for work:
Python (Flask, Django, Aiohttp) & Goglang for website backend,
AngularJS, VueJS, Javascript/AJAX, Jquery , Html5 for frontend
SQL, NoSQL database.
Big experience web project full circle production: back end, frond end and mobil app.
Have experience with Web scraping & Reporting Services, with emphasis on a tight feedback loop with clients.
Use Panda, Numpy, Networkx for analysis data and graph work. Also many work with other project use python, perl and JS.