I participated in internship program, where I studied data engineer related stuffs (SQL, python, DWH, Power BI, AWS, Data Quality). During training there were learning materials, homeworks, tests. After that a technical interview was organized for me which took about 1,5 hour.
Interview questions [1]
Question 1
What is the abbreviation for ACID, and what is the meaning of it?
Interview with tech manager focusing on previous jobs and experience. Some C++ questions like:
-diamond problem
-move semantics
-exceptions handling
-STL containers
-alg complexitiy
Additional discussion about future plans and possibilities to grow inside the company,
I applied online. I interviewed at EPAM Systems in Dec 2025
Interview
The interview process consisted of a single technical round conducted virtually.
The interviewer started with basic Java concepts, then moved on to Java 8 (Streams & Collections), followed by a DSA problem, and ended with an SQL query.
The discussion was interactive, with follow-up questions on edge cases, time complexity, and approach.
Overall, the interview focused more on problem-solving and core fundamentals rather than frameworks
Interview questions [4]
Question 1
Java 8 Streams: Group employees by department and find the highest-paid employee per group.
I applied through a recruiter. The process took 2 months. I interviewed at EPAM Systems (Malvern, PA)
Interview
Interview with a lead software engineer, he asked me how would I design a data structure with low level details, he asked me basics about an AWS architecture. We spoke about the project and what were the needs of it as a typescript engineer.
Interview questions [1]
Question 1
How would you design a linked list, if you were to add that library to your language.