EPAM Systems interview questions

First round - Javascript - JS input output questions ( object, array, hoisting, event loop based input output problems ) - JS reduce method based array DS problem - SOLID principles - How to scale a node JS app - SQL : Second highest salary - Set vs Map in Js - Local and session storage - How to secure a backend app in node Js - Typescript inversion of control - Explain design patterns - Nest Js vs Express Js - JWT vs oauth