I applied online. I interviewed at EPAM Systems in July 2024
Interview
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
I applied online. I interviewed at EPAM Systems (Medellín, Antioquia) in Dec 2025
Interview
It was a technical talk about JavaScript and React hooks, my experience with Cloud, when to use callbacks, when to create a closure, the differences between useState and useRef, a list of the React hooks I know, and two practical exercises.
TwoSum with JavaScript
and debouncing with React
Interview questions [1]
Question 1
Explain when to use usestate, useEffect, useContext, useMemo, useCallback, useRef and the difference between them
I applied through other source. The process took 1 day. I interviewed at EPAM Systems (Mexico) in Sept 2025
Interview
Rapida respuesta, un poco confusa porque te descartan antes de hacer prueba. Es un poco confuso el que te pidan subir y contestar algunas preguntas. Estoy en proceso de nuevo.
I applied online. The process took 4 weeks. I interviewed at EPAM Systems (Budapest) in Jan 2025
Interview
First round was pretty hard, it was algo test on their online platform, then a tech interview (1.5hrs) and the a manager interview in the final round. The whole process took more than a month.