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Qualys Interview Questions and Answers

Updated 27 Mar 2025

Qualys Interview Experiences

Popular Designations

40 interviews found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Oct 2023. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. What is and how to use This keyword
  • Ans. 

    The 'this' keyword refers to the current object in a method or constructor.

    • Used to refer to the current object within a class

    • Can be used to pass the current object as a parameter to another method

    • Helps differentiate between instance variables and local variables with the same name

  • Answered by AI
  • Q2. Explain React components and lifecycle methods
  • Ans. 

    React components are reusable UI elements that manage their own state and lifecycle methods control the behavior of components.

    • React components are reusable UI elements that can be composed together to build complex user interfaces.

    • Components can manage their own state, which allows for dynamic and interactive user interfaces.

    • Lifecycle methods in React control the behavior of components at different stages of their lif...

  • Answered by AI
Round 2 - One-on-one 

(2 Questions)

  • Q1. Previous projects
  • Q2. Experience of deployment using docker
  • Ans. 

    I have experience deploying web applications using Docker for containerization and easy deployment.

    • Utilized Docker Compose for managing multi-container applications

    • Created Dockerfiles to define application environments

    • Deployed applications to production servers using Docker Swarm or Kubernetes

  • Answered by AI

Skills evaluated in this interview

Web Application Developer Interview Questions asked at other Companies

Q1. What is and how to use This keyword
View answer (1)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Oct 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. List comprehension
  • Q2. UI automation selenium

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare Data structures and testing concepts

Senior SQA Engineer Interview Questions asked at other Companies

Q1. How do you monitor suppliers performance.?
View answer (1)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Jan 2023. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. General C++ concepts
Round 2 - Coding Test 

It was a question about array and stack operations. Evaluating time complexity

Round 3 - Coding Test 

Write a code to get the angle between the hour and minute hand at a particular time.
Graph traversal

Lead Software Engineer Interview Questions asked at other Companies

Q1. Square Root with Decimal Precision Problem Statement You are provided with two integers, 'N' and 'D'. Your objective is to determine the square root of the number 'N' with a precision up to 'D' decimal places. This implies that the discrepa... read more
View answer (1)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed before Oct 2022. There were 2 interview rounds.

Round 1 - Coding Test 

2 Coding Questions (C++, Python, Java any one programming language), 1 scripting question, 12 MCQ on DBMS, Code Outputs, etc.

Round 2 - Technical 

(1 Question)

  • Q1. Detailed questions asked on the project mentioned in the resume and 1 puzzle.

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (217)

Qualys interview questions for popular designations

 Senior Software Engineer

 (4)

 Software Engineer

 (3)

 Lead Software Engineer

 (3)

 Technical Support Engineer

 (2)

 Front end Engineer

 (2)

 Performance Engineer

 (2)

 Data Scientist

 (1)

 Technical Lead

 (1)

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Job Fair and was interviewed before Aug 2022. There were 5 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 tips
Round 2 - Aptitude Test 

Quants and OS and networking basics.

Round 3 - Technical 

(1 Question)

  • Q1. Networking os and basics dbms
Round 4 - Technical 

(1 Question)

  • Q1. Networking os and basics
Round 5 - HR 

(1 Question)

  • Q1. Salary details and all

Senior Security Engineer Interview Questions asked at other Companies

Q1. How can we make an Symantec agent that is offline for too long time to communicate back to SEPM?
View answer (2)

I applied via LinkedIn and was interviewed in Apr 2021. There was 1 interview round.

Interview Questionnaire 

9 Questions

  • Q1. Jmeter scenario based questions.
  • Q2. Programming Questions in any language like python Java javascript
  • Q3. Oracle DB Architecture and AWR report analysis
  • Q4. SQL queries medium complex
  • Q5. Challenge in analysis
  • Ans. 

    The challenge in analysis is to identify the root cause of performance issues.

    • Identify the performance metrics to be analyzed

    • Collect and analyze data from various sources

    • Use tools like APM, profiling, and monitoring tools

    • Identify patterns and anomalies in the data

    • Correlate the data to identify the root cause

    • Provide recommendations for improvement

  • Answered by AI
  • Q6. In second round, questions specific to roles and responsibilities.
  • Q7. Linux commands and how can we monitor using Linux.
  • Ans. 

    Linux commands for monitoring

    • top - displays system processes

    • htop - interactive process viewer

    • vmstat - virtual memory statistics

    • iostat - input/output statistics

    • netstat - network statistics

    • sar - system activity report

    • free - displays memory usage

    • df - displays disk space usage

    • ps - displays information about running processes

  • Answered by AI
  • Q8. How to analyze SQL Plan
  • Ans. 

    SQL plan can be analyzed using tools like SQL Developer, SQL*Plus, or Oracle Enterprise Manager.

    • Use EXPLAIN PLAN to generate a query execution plan

    • Analyze the plan for potential performance issues

    • Look for full table scans, high cost operations, and missing indexes

    • Use SQL tuning tools to optimize the plan

    • Consider using hints to force a specific execution plan

  • Answered by AI
  • Q9. Basic Python code related to string manipulation and List manipulation.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare at least one programming language.
Medium level SQL queries expertise so that you can handle problem till joins.
Oracle Database architecture, importance of its various parts like SGA PGA
Prepare linux command and write some shell scripts to get confidence.

Apart from this definitely work on Jmeter scripting part -
Use of beanshell
Use of DWR call in case of API
And different complex scenarios.

Cheers, All the best.

Performance Engineer Interview Questions asked at other Companies

Q1. Loadrunner Throughput v/s hits/sec? How do you design spike testing in loadrunner & jmeter?
View answer (1)

Jobs at Qualys

View all

I applied via Naukri.com and was interviewed in Jan 2022. There was 1 interview round.

Round 1 - One-on-one 

(1 Question)

  • Q1. Find starting point in a graph
  • Ans. 

    To find starting point in a graph, perform a topological sort and return the first node with no incoming edges.

    • Perform a topological sort on the graph

    • Return the first node with no incoming edges as the starting point

    • If there are multiple nodes with no incoming edges, choose any one as the starting point

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Good work .used latest tech stacks .good learning .

Skills evaluated in this interview

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (217)

I applied via Recruitment Consulltant and was interviewed in Sep 2021. There were 3 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. Multithreading concepts, Jav
Round 2 - One-on-one 

(1 Question)

  • Q1. Multithreading, large daa volume
Round 3 - Assignment 

Code snippet

Interview Preparation Tips

Interview preparation tips for other job seekers - Three rounds of technical and logical reasoning interview.

Lead Software Engineer Interview Questions asked at other Companies

Q1. Square Root with Decimal Precision Problem Statement You are provided with two integers, 'N' and 'D'. Your objective is to determine the square root of the number 'N' with a precision up to 'D' decimal places. This implies that the discrepa... read more
View answer (1)

I applied via Approached by Company and was interviewed before Jun 2021. There were 3 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. JS concepts were asked
Round 2 - One-on-one 

(1 Question)

  • Q1. Core Js Concepts were asked
Round 3 - One-on-one 

(1 Question)

  • Q1. Discussion with manager

Interview Preparation Tips

Interview preparation tips for other job seekers - for front end engineer role with 1-4 years of exp prepare for core JS concepts.

Front end Engineer Interview Questions asked at other Companies

Q1. Pair Sum Problem Statement You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'. Note: Each pair should be ordered such that... read more
View answer (1)

I applied via Naukri.com and was interviewed in Oct 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Programming and logical reasoning

Interview Preparation Tips

Interview preparation tips for other job seekers - 3 rounds of technical interview

Senior Software Engineer Interview Questions asked at other Companies

Q1. Tell me about yourself. What technology are you using? What is a Collection? What are the different types of collection there? What is the difference between ArrayList and LinkedList What are the basic building blocks of Stream operators, s... read more
View answer (2)

Qualys Interview FAQs

How many rounds are there in Qualys interview?
Qualys interview process usually has 1-2 rounds. The most common rounds in the Qualys interview process are Technical, One-on-one Round and Coding Test.
How to prepare for Qualys 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 Qualys. The most common topics and skills that interviewers at Qualys expect are Linux, Java, Microservices, C++ and Python.
What are the top questions asked in Qualys interview?

Some of the top questions asked at the Qualys interview -

  1. What do you do if developers don't agree to your desi...read more
  2. What is your favorite app? What do you think you can improve in th...read more
  3. What research did you do to back your design decisio...read more
How long is the Qualys interview process?

The duration of Qualys interview process can vary, but typically it takes about less than 2 weeks to complete.

Tell us how to improve this page.

Qualys Interview Process

based on 37 interviews

Interview experience

3.8
  
Good
View more

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Qualys Reviews and Ratings

based on 220 reviews

3.8/5

Rating in categories

3.6

Skill development

3.6

Work-life balance

3.7

Salary

3.5

Job security

3.5

Company culture

3.4

Promotions

3.6

Work satisfaction

Explore 220 Reviews and Ratings
C++ Developer at Qualys, Pune

Pune

2-7 Yrs

Not Disclosed

Engineering Manager

Pune

12-15 Yrs

₹ 45-55 LPA

Lead Java Software Engineer

Pune

8-13 Yrs

₹ 27.5-37.5 LPA

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