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Aug 3, 2020, 7 tweets

🧵Knowledge Sharing Thread🧵
🌐Technologies In Big Companies
1/5

Company: Google
Front-End: JavaScript, Typescript
Back-end: C, C++, Go, Java, Python
Database: Bigtable, MariaDB

#100DaysOfCode #javascript #CodeNewbie #programming #Website #webdesign

2/5
Company: Facebook
Front-End: ReactJS, Flow
Backend: Hack, PHP, Python, C++, Java, Erlang, D,
XHP,Haskell
Database: MariaDB,MySQL,HBase,Cassandra

Company: YouTube
Front-End: Javascript
Backend: C, C++, Python, Java, Go
Database:Vitess, BigTable, MariaDB

3/5

Company: Amazon
Front-End: Javascript
Backend: Java, C++, Perl
Database: PostgreSQL, RDS, RDS Aurora

Company: Twitter
Front-End: Javascript
Backend: C++, Java, Scala, Ruby
Database: MySQL

4/5
Company: LinkedIn
Front-End: Javascript
Backend: Java, JavaScript, Scala
Database: Voldemort

Company: Wikipedia
Front-End: Javascript
Backend: PHP
Database: MariaDB

Company: MSN
Front-End: Javascript
Backend: C#
Database: Microsoft SQL Server

Company: eBay
Front-End: Javascript
Backend: Java, JavaScript, Scala
Database: Oracle Database

Company: Yahoo
Front-End: Javascript
Backend: PHP
Database: PostgreSQL, HBase, Cassandra,MongoDB

Company: Pinterest
Front-End: Javascript
Backend: Python, Erlang
Database: MySQL,Redis

Company: Snapchat

Technology used:

Python, Objective-C, Ruby, Android-SDK, Java- Script, and Cocoa Touch and PHP are immensely used to build this popular Snapchat app.

Company: Instagram

Django-based stack which runs on Ubuntu 11.04 servers and
For storage it uses PostgreSQL.

Now Instagram has added newer tools like Redis to store a multitude of “key-value pairs” for faster feeds, and using Gunicorn as a web server.

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