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Revolut Senior Software Engineer Interview Questions and Answers

Updated 28 Feb 2025

Revolut Senior Software Engineer Interview Experiences

2 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Coding Test 

Implement thread safe load balancer.
focus on input validations and cover all corner cases in tests

Interview experience
3
Average
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.

Round 1 - HR 

(2 Questions)

  • Q1. Explain Concurrency
  • Ans. 

    Concurrency is the ability of a system to execute multiple tasks simultaneously.

    • Concurrency allows multiple tasks to run concurrently, improving performance and efficiency.

    • Concurrency can be achieved through multithreading or multiprocessing.

    • Example: A web server handling multiple requests simultaneously using multithreading.

  • Answered by AI
  • Q2. Explain Acid principles
  • Ans. 

    ACID principles are a set of properties that guarantee database transactions are processed reliably.

    • Atomicity: Transactions are all or nothing. If one part of the transaction fails, the entire transaction is rolled back.

    • Consistency: Transactions bring the database from one valid state to another. All constraints are satisfied.

    • Isolation: Transactions are isolated from each other until they are completed.

    • Durability: Once...

  • Answered by AI

Skills evaluated in this interview

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Interview questions from similar companies

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Coding Test 

It was about DS Algo and Java garbage collection,multithreading

Round 2 - Technical 

(2 Questions)

  • Q1. Low level design of rate limiter
  • Ans. 

    Rate limiter is a system that controls the rate of traffic sent or received by a network interface.

    • Implement a token bucket algorithm to track and limit the rate of requests

    • Use a sliding window algorithm to track the number of requests within a specific time frame

    • Consider using a distributed rate limiter for scalability and fault tolerance

  • Answered by AI
  • Q2. Springboot basics, java basics, future interfaces, basic sql queries

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Number of subset
  • Ans. 

    Calculate the number of subsets of a given set

    • The number of subsets of a set with n elements is 2^n

    • Include the empty set and the set itself in the count

    • For example, a set with 3 elements will have 2^3 = 8 subsets

  • Answered by AI
  • Q2. Remove kth node from end
  • Ans. 

    Remove the kth node from the end of a linked list.

    • Use two pointers, one to traverse the list and another to keep track of the kth node from the end.

    • Once the first pointer reaches the end, the second pointer will be at the kth node from the end.

    • Adjust the pointers to remove the kth node.

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. Whatsapp low level design
  • Ans. 

    Whatsapp low level design involves messaging, encryption, media sharing, and user authentication.

    • Use end-to-end encryption to secure messages

    • Implement message queues for real-time message delivery

    • Allow media sharing through file transfer protocols

    • Use OAuth for user authentication and authorization

  • Answered by AI
  • Q2. Lru implemention

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Recruitment Consulltant and was interviewed in Apr 2024. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Longest Consecutive Sequence
  • Ans. 

    Find the length of the longest consecutive elements sequence in an array.

    • Sort the array to ensure consecutive elements are adjacent

    • Iterate through the array and keep track of the current consecutive sequence length

    • Update the longest consecutive sequence length as you iterate

  • Answered by AI
  • Q2. Core Java Questions
Round 2 - Technical 

(2 Questions)

  • Q1. Executor Service and it's code
  • Ans. 

    Executor Service is a framework provided by Java for managing and executing asynchronous tasks.

    • Executor Service allows you to easily create and manage threads for executing tasks.

    • It provides a way to control the number of threads used for executing tasks, which can help prevent resource exhaustion.

    • You can submit tasks to an Executor Service using methods like execute() or submit().

    • Executor Service can be used to execut...

  • Answered by AI
  • Q2. Core Java and Spring boot questions
Round 3 - Technical 

(2 Questions)

  • Q1. Design patterns
  • Q2. Core Java questions

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I was interviewed before Mar 2023.

Round 1 - Coding Test 

Was a tough oneto crack

Round 2 - Technical 

(3 Questions)

  • Q1. Asked about core Java domain and threds
  • Q2. Asked about Java domain and threads collection
  • Q3. Threads and collection
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Referral and was interviewed in Jun 2024. There was 1 interview round.

Round 1 - Coding Test 

Asked to do coding for RDBMS using any programing language

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Machine coding: Design in-memory document search
Round 2 - Technical 

(1 Question)

  • Q1. HLD: Design a ad-click aggregation service
  • Ans. 

    Design an ad-click aggregation service for tracking and analyzing ad clicks.

    • Use a distributed system to handle high volume of ad click data

    • Implement real-time processing for immediate insights on ad performance

    • Utilize a database to store aggregated ad click data for reporting and analysis

  • Answered by AI

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Design a in-memory cache
  • Ans. 

    Design a high-performance in-memory cache system for storing and retrieving data efficiently.

    • Use a hash table or a key-value store to store data in memory

    • Implement caching strategies like LRU (Least Recently Used) or LFU (Least Frequently Used) to manage cache eviction

    • Consider using a distributed cache for scalability and fault tolerance

    • Optimize cache size and expiration policies based on the application's data access

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

(1 Question)

  • Q1. Rating Service Low level design
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Revolut Interview FAQs

How many rounds are there in Revolut Senior Software Engineer interview?
Revolut interview process usually has 1 rounds. The most common rounds in the Revolut interview process are HR.
What are the top questions asked in Revolut Senior Software Engineer interview?

Some of the top questions asked at the Revolut Senior Software Engineer interview -

  1. Explain Acid princip...read more
  2. Explain Concurre...read more

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