About epam systems
epam systems Interview Questions and Answers
Updated 21 Feb 2026DevOps Engineer Interview Experience
Candidate: Emily Zhang
Experience Level: Senior
Applied Via: Company career portal
Difficulty: Hard
Final Result: Rejected
Interview Process
4 rounds
Questions Asked
- Explain CI/CD pipelines you have implemented.
- How do you monitor system performance?
- Describe your experience with cloud platforms.
- What scripting languages do you use?
- How do you handle system outages?
Advice
Deepen your knowledge of cloud infrastructure and prepare for scenario-based questions on incident management.
Full Experience
The interview process included a phone screen, a technical test, a system design interview, and a final cultural fit interview. The technical rounds were challenging with a focus on real-world problem solving. Although I was not selected, the experience helped me identify areas for growth.
Business Analyst Interview Experience
Candidate: David Smith
Experience Level: Mid-level
Applied Via: Recruiter outreach
Difficulty:
Final Result:
Interview Process
3 rounds
Questions Asked
- How do you gather requirements from stakeholders?
- Explain a time you resolved a conflict in a project.
- What tools do you use for data analysis?
- Describe your experience with Agile methodologies.
- How do you handle changing requirements?
Advice
Be clear and concise in explaining your analytical approach and communication skills.
Full Experience
I was contacted by a recruiter and had three interviews: HR, technical BA questions, and a final panel interview. The interviewers were interested in how I handle ambiguous requirements and stakeholder management. The process was smooth and professional.
Project Manager Interview Experience
Candidate: Carla Gomez
Experience Level: Senior
Applied Via: LinkedIn application
Difficulty: Hard
Final Result:
Interview Process
4 rounds
Questions Asked
- Describe your experience managing remote teams.
- How do you handle project scope changes?
- Explain risk management strategies you use.
- Tell us about a project that failed and what you learned.
- How do you prioritize tasks under tight deadlines?
Advice
Prepare detailed examples of your leadership and project management experiences, especially with remote or distributed teams.
Full Experience
The interview process was extensive, starting with an HR call, followed by a technical interview with a senior PM, then a case study presentation, and finally a cultural fit interview. The case study was challenging but gave me a chance to showcase my problem-solving skills.
QA Engineer Interview Experience
Candidate: Brian Lee
Experience Level: Entry-level
Applied Via: Referral
Difficulty: Easy
Final Result: Rejected
Interview Process
2 rounds
Questions Asked
- What is the difference between verification and validation?
- How do you write a test case?
- Explain the bug life cycle.
- Have you used any automation tools?
- What is regression testing?
Advice
Gain more hands-on experience with automation tools and understand testing methodologies deeply.
Full Experience
I was referred by a friend and had two interviews. The first was HR screening and the second was technical. The technical interview was mostly theoretical with some scenario-based questions. I felt underprepared for automation questions which might have affected the outcome.
Software Engineer Interview Experience
Candidate: Alice Johnson
Experience Level: Mid-level
Applied Via: Online application via company website
Difficulty:
Final Result:
Interview Process
3 rounds
Questions Asked
- Explain OOP concepts.
- Describe a challenging bug you fixed.
- Write a function to reverse a linked list.
- What is polymorphism?
- How do you handle version control conflicts?
Advice
Brush up on data structures and algorithms, and be ready to discuss past projects in detail.
Full Experience
The process started with an online application followed by a phone screening focusing on my background and basic coding questions. The second round was a technical interview with coding challenges and system design questions. The final round was with the team lead and involved behavioral questions and a discussion about the company's culture. Overall, the interviewers were friendly and the questions were fair.
Frequently Asked Questions in epam systems
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Common Interview Questions in epam systems
Q: In a sports contest there were m medals awarded on n successive days (n > 1). 1. On the first day 1 medal and 1/7 of the remaining m - 1 medals were awarded. 2. On the second day 2 medals and 1/7 of the now remaining medals was awarded; and so on.On the nth and last day, the remaining n medals were awarded.How many days did the contest last, and how many medals were awarded altogether?
Q: A rich merchant had collected many gold coins. He did not want anybody to know about them. One day his wife asked, "How many gold coins do we have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 32 times the difference between the two numbers equals the difference between the squares of the two numbers."The wife looked puzzled. Can you help the merchant's wife by finding out how many gold coins they have?
Q: Consider a pile of Diamonds on a table. A thief enters and steals 1/2 of the total quantity and then again 2 extra from the remaining. After some time a second thief enters and steals 1/2 of the remaining+2. Then 3rd thief enters and steals 1/2 of the remaining+2. Then 4th thief enters and steals 1/2 of the remaining+2. When the 5th one enters he finds 1 diamond on the table. Find out the total no. of diamonds originally on the table before the 1st thief entered.
Q: There are two balls touching each other circumferencically. The radius of the big ball is 4 times the diameter of the small all. The outer small ball rotates in anticlockwise direction circumferencically over the bigger one at the rate of 16 rev/sec. The bigger wheel also rotates anticlockwise at N rev/sec. What is 'N' for the horizontal line from the centre of small wheel always is horizontal.
Q: There are 3 clans in an island - The Arcs who never lie, the Dons who always lie and the Slons who lie alternately with the truth. Once a tourist meets 2 guides who stress that the other is a Slon. They proceed on a tour and see a sports meet. The first guide says that the prizes have been won in the order Don, Arc, Slon. The other says that, the order is Slon, Don, Arc. (the order need not be exact). To which clan did each of the guides and the players belong? ...
Q: 36 people {a1, a2, ..., a36} meet and shake hands in a circular fashion. In other words, there are totally 36 handshakes involving the pairs, {a1, a2}, {a2, a3}, ..., {a35, a36}, {a36, a1}. Then size of the smallest set of people such that the res...
Q: The citizens of planet nigiet are 8 fingered and have thus developed their decimal system in base 8. A certain street in nigiet contains 1000 (in base 8) buildings numbered 1 to 1000. How many 3s are used in numbering these buildings?
Q: A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once.How would you know which is the switch?
Q: There are 3 sticks placed at right angles to each other and a sphere is placed between the sticks . Now another sphere is placed in the gap between the sticks and Larger sphere . Find the radius of smaller sphere in terms of radius of larger sphere.
Q: The egg vendor calls on his first customer and sells half his eggs and half an egg. To the second customer, he sells half of what he had left and half an egg and to the third customer he sells half of what he had then left and half an egg. By the way he did not break any eggs. In the end three eggs were remaining . How many total eggs he was having ?
Q: In a Park, N persons stand on the circumference of a circle at distinct points. Each possible pair of persons, not standing next to each other, sings a two-minute song ? one pair immediately after the other. If the total time taken for singing is 28 minutes, what is N?
Q: Give two dice - one is a standard dice, the other is blank (nothing painted on any of the faces). The problem is to paint the blank dice in such a manner so that when you roll both of them together, the sum of both the faces should lie between 1 and 12. Numbers from 1-12 (both inclusive) equally likely.
Q: Raj has a jewel chest containing Rings, Pins and Ear-rings. The chest contains 26 pieces. Raj has 2 and 1/2 times as many rings as pins, and the number of pairs of earrings is 4 less than the number of rings. How many earrings does Raj have?...
Q: If I walk with 30 miles/hr i reach 1 hour before and if i walk with 20 miles/hr i reach 1 hour late. Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which it walks.
Q: Given a collection of points P in the plane , a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P)....
Q: Consider a series in which 8 teams are participating. each team plays twice with all other teams. 4 of them will go to the semi final. How many matches should a team win, so that it will ensure that it will go to semi finals.?
Q: Jack and his wife went to a party where four other married couples were present. Every person shook hands with everyone he or she was not acquainted with. When the handshaking was over, Jack asked everyone, including his own wife, how many hands they shook?
Q: An escalator is descending at constant speed. A walks down and takes 50 steps to reach the bottom. B runs down and takes 90 steps in the same time as A takes 10 steps. How many steps are visible when the escalator is not operating.Â
Q: A family X went for a vacation. Unfortunately it rained for 13 days when they were there. But whenever it rained in the mornings, they had clear afternoons and vice versa. In all they enjoyed 11 mornings and 12 afternoons. How many days did they stay there totally?
Q: A Man is sitting in the last coach of train could not find a seat, so he starts walking to the front coach ,he walks for 5 min and reaches front coach. Not finding a seat he walks back to last coach and when he reaches there,train had completed 5 miles. what is the speed of the train ?
