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Confluent Software Engineer Interview Questions and Answers

Updated 5 Sep 2022

Confluent Software Engineer Interview Experiences

1 interview found

I applied via Recruitment Consulltant and was interviewed in Aug 2022. There was 1 interview round.

Round 1 - One-on-one 

(1 Question)

  • Q1. Concurrency related general question

Interview Preparation Tips

Interview preparation tips for other job seekers - Concurrency related questions, prepare well on multithreading, locks.

Interview questions from similar companies

Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - Coding Test 

Codility coding rounds , where code execution is mandatory and system design qiestions

Round 2 - Technical 

(1 Question)

  • Q1. Again execute code and technical questions
Round 3 - Technical 

(1 Question)

  • Q1. One more coding test and tech questions
Round 4 - System Design 

(2 Questions)

  • Q1. Design patterns
  • Q2. Design Patterns , scenario based
Interview experience
2
Poor
Difficulty level
Moderate
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 - Technical 

(1 Question)

  • Q1. Gave question on react due to issue with IDE they provided unable to provide solution
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Job Portal and was interviewed in Mar 2023. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Word formation Algorithm question
  • Q2. Architecture of project.
  • Ans. 

    The architecture of the project is based on microservices with a containerized approach using Docker and Kubernetes.

    • Utilizes microservices architecture for scalability and flexibility

    • Containerized approach using Docker for easy deployment and management

    • Orchestrated with Kubernetes for automated scaling and monitoring

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep your introduction short because you might loose coding time for problem. They will end interview at sharp time. Unprofessional, and does not share the feedback.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

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

Round 1 - Coding Test 

Karat took 2 rounds of coding test

Round 2 - Technical 

(3 Questions)

  • Q1. Tree based hard level question...
  • Q2. Diameter of tree but nodes are strings
  • Ans. 

    To find the diameter of a tree with nodes as strings, convert strings to integers for calculations.

    • Convert strings to integers for calculations

    • Use depth-first search to find the longest path between two nodes

  • Answered by AI
  • Q3. Design question LRU cache

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well for coding

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Behavioral 

(1 Question)

  • Q1. What would you use to build a web app?
  • Ans. 

    To build a web app, I would use a combination of front-end technologies like HTML, CSS, and JavaScript, along with back-end technologies like Node.js, Express, and MongoDB.

    • Front-end technologies: HTML, CSS, JavaScript

    • Back-end technologies: Node.js, Express, MongoDB

    • Frameworks: React, Angular, Vue.js

    • Database: MySQL, PostgreSQL, MongoDB

    • Version control: Git

    • Deployment: AWS, Heroku, Netlify

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Hiring manager seemed distracted.

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Approached by Company and was interviewed in Nov 2024. There were 5 interview rounds.

Round 1 - Coding Test 

Coding - 1 hr, Graph

Round 2 - Coding Test 

Coding - 1hr, Algo + Implementation, Bitwise, Prefix search, Intervals.

Round 3 - Coding Test 

Coding - 1 hr, Implementation, Testing.

Round 4 - Behavioral 

(2 Questions)

  • Q1. Details around projects.
  • Q2. Standard Behavioural Questions.
Round 5 - Coding Test 

Coding - 1hr, Systems Design with coding, Multithreading.

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on multithreading, rest of the things you'd already know if you're prepared for any standard coding interview.
The interview was not difficult as such in my opinion, I just messed up last round.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Aug 2023. There were 3 interview rounds.

Round 1 - Coding Test 

4 questions, 1 easy, 2 medium, 1 hard.
based on stack, DP and String.

Round 2 - Technical 

(3 Questions)

  • Q1. Based on OOPS 4 pillars.
  • Q2. Based on spark and operating system as mentioned in my resume.
  • Q3. Mostly on basic topics like DBMS, OOPS, OS, DSA (invert a binary tree, a medium string question).
Round 3 - Technical 

(2 Questions)

  • Q1. Explain the project done in internship.
  • Q2. Explain spark architecture and related questions on architecture.

Interview Preparation Tips

Interview preparation tips for other job seekers - focus on basics and projects in resume.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Approached by Company and was interviewed in May 2024. There was 1 interview round.

Round 1 - Coding Test 

60 minutes, CIDR network masks

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

(1 Question)

  • Q1. Create APIs for a Quiz platform
  • Ans. 

    Create APIs for a Quiz platform

    • Design RESTful APIs for creating, updating, deleting, and retrieving quizzes

    • Include endpoints for managing quiz questions, answers, and user responses

    • Implement authentication and authorization mechanisms for secure access

    • Utilize JSON format for data exchange between client and server

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare Spring boot development well

Skills evaluated in this interview

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Confluent Interview FAQs

How many rounds are there in Confluent Software Engineer interview?
Confluent interview process usually has 1 rounds. The most common rounds in the Confluent interview process are One-on-one Round.
How to prepare for Confluent Software Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Confluent. The most common topics and skills that interviewers at Confluent expect are Cloud, Distribution System, Focus, Infrastructure and Management.

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