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Persistent Systems Interview Questions
& Process

Real candidates share what happened, how many rounds they had,
and how the experience turned out.

Based on 1,728 interview experiences · FREE TO READ

2.8 Rounds average
Average Typical difficulty
68.8% Positive experience

Which role are you interviewing for?

30 roles · 1,728 reports

Candidate interview experiences

First-hand accounts from people who interviewed at Persistent Systems.

Showing 4 of 1,728
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ReactJS Developer

Engineering · half a year ago

Entry Average Negative experience No offer 2 rounds
Interview process
Technical screen Recruiter call Offer
Interview formats
Technical Behavioral

The first part was a technical interview. They asked me some React and JavaScript questions, from beginner to advanced. The second part was not good. The interviewer was supposed to join at a certain time but was 30 minutes late. After joining, we did introductions. Then, they asked me 3 theory questions and 1 output-based question. That was it. A few days later, HR told me I wasn't selected. The whole conversation was very short, maybe 5-10 minutes. I don't understand how they judged my skills.

Confirmed questions3 questions
  • Can you tell me about the event loop?
  • Some basic questions about JavaScript.
  • What do you know about hoisting?
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Android Engineer

Engineering · nearly a year ago

Senior Easy Negative experience No offer 2 rounds
Interview process
Technical screen Technical screen
Interview formats
Technical Behavioral

it was two rounds, i have been interviewd both rounds, but in the final round hard to digest without any reasons (technicaly ),i have been rejected, i have done mudular components library dev for 2 years successfully, the interviewer was not ready to listen my answered he want in his way 2*2 - 4, evn i have mentioned 2*2 or 2+2 can be 4. . really disheartened however not down by my belief. Avil the interviewer has to learn the listening capacity and agree to all possible solution and best one for the team. please grow up !! guys think twise before apearing infront of this kind of selection.

Confirmed questions1 question
  • Tell me about your experience developing modular components as an SDK and library.
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Engineering Lead

Engineering · nearly a year ago

Lead Average Negative experience Accept offer 3 rounds
Interview process
Recruiter call Technical screen Onsite
Interview formats
Technical Coding Behavioral Presentation

It was pretty standard. You'll need to review your knowledge and be able to talk about your projects. They'll want to know your expectations. Expect some coding tasks involving object-oriented programming or JavaScript. Make sure you're up-to-date on microservices and Angular. You should also know how to create AI prompts and use AI for writing unit tests.

Confirmed questions8 questions
  • Discuss .NET oops concepts.
  • Explain design patterns.
  • What is your knowledge of SQL?
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Persistent Systems

Cloud DevOps Engineer

Engineering · nearly a year ago

Mid Average Positive experience Accept offer 3 rounds
Interview process
Presentation Recruiter call Onsite
Interview formats
Presentation Behavioral Technical

For the HEC Paris Master's program, the interview process often includes a presentation where you'll discuss a past project for about half the interview time. You'll likely meet with alumni and student ambassadors who will ask about your presentation and also some behavioral questions. They are looking to see if you're motivated, think critically, and would be a good fit for the HEC community. These Master's interviews are usually conducted online via Zoom. For other companies in Paris, like Paris Group, the interview experience can differ a lot. Some are very professional and organized, but others can be messy with poor communication and take a long time to complete. You might be asked about your work experience, how you handle stressful situations, and how you deal with conflict. Some interviews are fully online, but for others, you might have to come to the office multiple times.

Confirmed questions1 question
  • Can you discuss AWS Cloud Security?

Persistent Systems Interview Questions

Quoted word for word from Persistent Systems interview reports.

What is the purpose of 'guard' in Swift, and how does it differ from 'if let'?

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Find two numbers in an array that add up to a specific target.

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If you are given an array and add one number to the last index, how should the second array element be changed? For example: Input = [7,8,9] Result= [7,9,0] Input = [7,9,9] , Result= [ 8, 0, 0 ]

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What are the differences between frame, bounds, and center properties in a UIView?

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What is the difference between an arrow function and a simple function?

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Is it possible to connect Prometheus with multiple clusters, and if so, how?

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Build a currency exchange calculator using a list of currencies and their values from an API, where users can input an amount in one currency and convert it to another using real-time exchange rates.

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What is the difference between a Star Schema and a Snowflake Schema?

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Can you write a SQL query to find the second highest salary?

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Formats, difficulty and experience

Across all 1,728 Persistent Systems interview reports.

Interview formats

Technical 45.7%
Behavioral 26.2%
Coding 24.1%
Other 1.8%
System Design 0.7%

Interview difficulty

Easy 12.7%
Average 63.6%
Difficult 23.7%

Candidate experience

Neutral 14%
Positive 68.8%
Negative 17.2%

Reports by job function

Engineering 1,617
Operations 27
Analytics 17
Other 16
Product 12
HR 9