and growth for future [email protected] Skills Python Program writing, implementation of crawlers and data cleaning operations. MongoDB Ability to build and maintain a distributed storage system, complete the implementation of Replica and Sharding architecture, be familiar with the use of Mongo shell, and write server-side javascript. MySQL Familiar with MySQL database usage, model design, SQL syntax optimization. PostgreSQL Familiar with PostgreSQL database usage, model design, SQL syntax optimization. Pandas Familiar with Pandas ETL operations and data visualization. Git F amiliar with using Git to manage code version control.