EPAM Systems Javascript Developer interview questions
based on 14 ratings - Updated Jan 13, 2026
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Javascript Developer applicants have rated the interview process at EPAM Systems with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 58.6% positive. This is according to Glassdoor user ratings.
Candidates applying for Javascript Developer roles take an average of 1 day to get hired, when considering 1 user submitted interviews for this role. To compare, the hiring process at EPAM Systems overall takes an average of 20 days.
Common stages of the interview process at EPAM Systems as a Javascript Developer according to 1 Glassdoor interviews include:
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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 Sep 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.