7 Cadence Design Systems Software Engineer Interview Questions & Answers | Complete Prep Guide 2025

Top Cadence Design Systems Software Engineer Interview Questions and Answers

Q1. There are fifteen horses and a racing track that can run five horses at a time. You have to figure out the top 3 horses out of those and you don't have any timer machine ...read more

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Q2. What is a malloc function and where is it used and how is it different from new?

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Q3. What is the difference between C++ and Objective C and where will you use it?

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Cadence Design Systems Software Engineer Interview Experiences

2 interviews found

Software Engineer Interview Questions & Answers

Scott Carnegie

posted on 7 Jul 2024

Interview experience

Excellent

Difficulty level

Easy

Process Duration

Less than 2 weeks

Result

Selected

I applied via Job Portal and was interviewed before Jul 2023. There were 2 interview rounds.

Round 1 - Assignment

Presentation on University Thesis Project

Round 2 - Group Discussion

Talking about past experience.

Interview Preparation Tips

Interview preparation tips for other job seekers - Just prepare, they are welcoming.

Software Engineer Interview Questions & Answers

Anonymous

posted on 7 May 2017

I was interviewed in Feb 2017.

Interview Questionnaire

7 Questions

Q1. What is a malloc function and where is it used and how is it different from new?

Ans.

malloc is a function in C that dynamically allocates memory on the heap. It is used to allocate memory for variables or data structures.

malloc is used in C programming language.
It is used to allocate memory on the heap.
malloc is different from 'new' in C++ as it does not call constructors for objects.

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Q2. What is the difference between C++ and Objective C and where will you use it?

Ans.

C++ is a general-purpose programming language while Objective C is a superset of C used for iOS and macOS development.

C++ is widely used for developing applications, games, and system software.
Objective C is mainly used for iOS and macOS development.
C++ supports both procedural and object-oriented programming paradigms.
Objective C is an object-oriented language with dynamic runtime features.
C++ has a larger community a...

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Q3. What is the difference between class container and class composition?

Ans.

Class container is a class that holds objects of other classes, while class composition is a way to combine multiple classes to create a new class.

Class container holds objects of other classes, acting as a collection or container.
Class composition combines multiple classes to create a new class with its own behavior and attributes.
In class container, the objects are typically stored in a data structure like an array o...

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Q4. There are fifteen horses and a racing track that can run five horses at a time. You have to figure out the top 3 horses out of those and you don't have any timer machine to measure. How will you find the t...

Ans.

Divide the horses into groups of 5 and race them. Take the top 2 from each race and race them again. Finally, race the top 2 horses to determine the top 3.

Divide the horses into 3 groups of 5 and race them.
Take the top 2 horses from each race and race them again.
Finally, race the top 2 horses to determine the top 3.

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Q5. What is the most difficult problem that you have solved (during work) till now and why you think you could do so?

Ans.

Developing a real-time data processing system for a high-traffic e-commerce website

Implemented a distributed system architecture to handle large volumes of data
Optimized algorithms for efficient data processing and storage
Utilized caching mechanisms to improve system performance
Worked closely with cross-functional teams to troubleshoot and resolve issues
Example: Successfully reduced data processing time by 50% by imple

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Q6. Why you want to change your current job?

Ans.

Seeking new challenges and opportunities for growth.

Looking for a more challenging role to further develop my skills
Interested in exploring new technologies and industries
Seeking better career advancement opportunities
Want to work in a more collaborative team environment

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Q7. What is the width of a tree? How will you calculate the width of the tree?

Ans.

The width of a tree is the maximum number of nodes at any level in the tree.

To calculate the width of a tree, we can perform a level order traversal and keep track of the maximum number of nodes at any level.
We can use a queue data structure to perform the level order traversal.
At each level, we count the number of nodes in the queue and update the maximum width if necessary.

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Interview Preparation Tips

Skills: Basic C/C++, Implementing Data Structures In C++

Skills evaluated in this interview

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Software Engineer Interview Questions & Answers

National Instruments

Anonymous

posted on 14 Jul 2017

Interview Questionnaire

3 Questions

Q1. Asked me about my answer for a question in the logical test and asked me to find mistake

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Q2. Some tree question

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Q3. Some array question

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Interview Preparation Tips

Round: Test
Experience: Just logical questions. Maybe create a DFA and NFA.
Duration: 1 hour
Total Questions: 20

Round: Coding
Experience: Given two questions. Each question is written like a story, but once you get the idea, it will be a simple question

College Name: Govt. Model Engineering College

Software Engineer Interview Questions & Answers

National Instruments

Gowtham P C

posted on 12 Jul 2016

I applied via Campus Placement

Interview Questionnaire

3 Questions

Q1. They asked me optimise the code I had written for the first question

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Q2. Given a binary tree, find out the maximum sum path from root to leaf. This problem, but they said tree has only positive integers. -----/ . To store the path I had used global array. They asked me alternat...

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Q3. Given a list of words. Given three operations find out the minimum steps to reach from source string to destination string. Basically, -----/ this is the problem with some modification. For this question I...

Ans.

The question is about finding the minimum steps to reach from a source string to a destination string using three operations.

BFS and DFS are graph traversal techniques that can be used to solve this problem.
BFS is typically used when finding the shortest path or exploring all possible paths in a graph.
DFS is useful when searching for a specific path or exploring deeply into a graph.
In this case, BFS can be used to find...

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Interview Preparation Tips

Round: Test
Experience: • 1 question was on time complexity of searching an unsorted array.
• 2 questions were on recursion, ie, number of recursive calls.
• 1 question on analysing given function on string.
• 1 question was on probability(Two hotels, say A and B. Probability of moving from A to B is 2/3, staying at A is 1/3. Probability of moving from B to A and staying at B is 1/2. If they make decisions each hour, and if they were at A at 7:00 pm, what is the probability that they will be at B at 10:00 pm).
• If a set has elements {1,2,3,4 .... n}. Then what is the sum of elements of it's power set. (Ex: S = {1,2}. Then power set is {{},{1},{2},{1,2}}. The sum is 6.
• If a set has elements {1,2,3,4,5,6,7,8,9,10}. Then how many subsets of 3 elements has no consecutive elements.
• 1 question was on designing a DFA for a string starting with a and ending with c and has at least b in it.
• 1 question had machine instructions. We had to find out minimum number of cycles needed to execute the given set of instructions. (a) If the instructions are executed in the given order. (b) If the instructions are executed in random order.
• 1 puzzle on bridges.

Tips: In this round they not only see the answer. They also verify how you approached(So, give correct explanation to your answers).
Duration: 90 minutes
Total Questions: 10

Round: Coding Round
Experience: Two questions were there. 3 hours duration.

1. Long question, I don't remember fully. I'll just give input/output examples. It was basically on string decoding. If jon2snow3 is there the decoded string will be jonjonsnowjonjonsnowjonjonsnow. Given a string and an integer k we have print the kth character in the decoded string
input:
jon2snow3
8
output:
n

2. Given an array and an integer k return the number of contiguous sub arrays whose sum is divisible by k.
input format:
n k

input:
4 5
10 0 4 5

output:
4

explaination: {10},{0},{10,0},{5} are the sub arrays with sum divisible by 5.

Tips: You will have lots of time, so try to optimise the solution if you can. Remember here also they review each individual's code.

Round: Technical Interview
Experience: They will help you a lot if you are stuck at some point in the question. You have to be smart enough to grasp the clue.
Tips: They only ask questions only on data structures and algorithms.

Skill Tips: You have to be strong in coding. Algorithm questions will be mostly on dynamic programming. Data structures questions are mostly on trees.
Skills: C Programming, Maths(esp Probability), Algorithms And Data Structures
Duration: 5
College Name: JSS Mahavidyapeetha Sri Jayachamarajendra College Of Engineering, Mysore

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Synopsys

Anonymous

posted on 6 Feb 2017

I was interviewed in Nov 2016.

Interview Questionnaire

8 Questions

Q1. A random number will be given as input to system,write a program to detect its data type(int or float ) without using size of function

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Q2. General hr questions

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Q3. Once again general hr interview questions

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Q4. 1.given a large rectangle

Ans.

Need more context. What needs to be done with the large rectangle?

What are the dimensions of the rectangle?
Is it a 2D or 3D object?
What is the context of the problem?
Are there any constraints or limitations?
What tools or programming languages can be used?

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Q5. You will be given dimensions of a bigger rectangle and smaller rectangle,derive a formula to get how many smaller rectangles fit into the bigger rectangle

Ans.

Derive a formula to determine how many smaller rectangles fit into a bigger rectangle given their dimensions.

Calculate the number of times the smaller rectangle can fit into the bigger rectangle horizontally and vertically
Divide the width of the bigger rectangle by the width of the smaller rectangle to get the horizontal count
Divide the height of the bigger rectangle by the height of the smaller rectangle to get the ve...

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Q6. How many points are required to draw a rectangle

Ans.

At least 4 points are required to draw a rectangle.

A rectangle has 4 sides and 4 corners, so at least 4 points are needed to define those corners.
The points must be arranged in a specific order to form a closed shape with 4 sides.
Additional points can be used to add details or modify the shape of the rectangle.
The number of points required may vary depending on the software or tool used to draw the rectangle.

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Q7. What will be the new coordinates of a rectangle points if rectangle length and breadth is scaled and write a program to calculate the coordinates of corner points of scaled rectangle

Ans.

Answering how to calculate new coordinates of a scaled rectangle and providing a program for it.

To calculate new coordinates, multiply the original coordinates by the scaling factor
Scaling factor can be calculated by dividing the new length/breadth by the original length/breadth
Program can take input of original coordinates, scaling factor, and output new coordinates
Example: Original coordinates: (0,0), (0,5), (5,5), (...

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Q8. Lastly a puzzle: i dont remember the question

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Interview Preparation Tips

Round: Test
Experience: The test had three sections:
1.aptitude:It was like any other aptitude test,all it takes is a bit of practice to crack all the questions
2.C programming:Basics of c were asked,outputs of some programs,u have to be thorough with concepts of c
3.Electronics:The company hired for both profiles: 1. PDK:software
and 2.Logic library:hardware,so this electronics section was also there,questions are mostly Network analysis,cmos logic,digital logic,vlsi etc
u should have good basics to get the electronics questions of course they are not very hard,but not too easy

Tips: practice aptitude,basics of c programming and also basics of electronics
Duration: 1 hour 30 minutes
Total Questions: 60

Round: Test
Experience: after 1st round i was shortlisted to this technical round,i was asked this question, i suggested that i will convert that number into a string and check whether string has a dot or not to check if it is float or int,the interviewer was not very impressed but was ok and asked few small questions and promoted me to next round

Tips: If u crack test with top marks,the technical rounds will be very easy,because the interviewers do not ask tough questions for people who cracked written test with high marks

Round: Technical Interview
Experience: tell me about yourself,strengths,weakness,three principles u follow in life,etc
Tips: This round depends on you,dont try to bluff something,they will know if u are bluffing,take a breath and speak up ur mind,be confident u can do it

Round: HR Interview
Experience: same questions,but this time less duration,not involving lengthy discussions, i think this round was just for double check

Round: HR Interview
Experience: After the hr round,only seven were shortlist,this interview round was very much easy and they checked my approach to the given problem,they were checking how well i am thinking adding complexities to the given problem
Tips: they did not check my programming ability,but just problem solving skills,so be good at aptitude,by practicing as much as you can

Round: Group Discussion
Experience: after technical interview,4 were shortlisted,so they went for gd round,it was general topic,which checks your general knowledge
Tips: Dont be nervous,just speak what ever you know,never mind language issues
Duration: 20 minutes

Skills: for pdk profile :programming
College Name: NIT Warangal

Software Engineer Interview Questions & Answers

National Instruments

Anonymous

posted on 13 Aug 2024

Interview experience

Excellent

Difficulty level

Process Duration

Result

Round 1 - Coding Test

3 rounds online, dsa, hr

Round 2 - One-on-one

(2 Questions)

Q1. Dsa on dp topic

Add your answer

Q2. Dsa on dp topics

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Software Engineer Interview Questions & Answers

National Instruments

Saurabh Gupta

posted on 22 Aug 2024

Interview experience

Good

Difficulty level

Moderate

Process Duration

2-4 weeks

Result

Not Selected

I applied via Campus Placement and was interviewed in Feb 2024. There were 3 interview rounds.

Round 1 - Coding Test

It was online coding test consist of 2 question
One from DP and other graph

Round 2 - Coding Test

One question of DP within in 45 min time constraints

Round 3 - Technical

(1 Question)

Q1. Floor value of square root of a number

Ans.

Floor value of square root of a number is the largest integer less than or equal to the square root.

The floor value of square root of a number can be found using mathematical functions like floor() or integer division.
For example, the floor value of square root of 16 is 4, as sqrt(16) = 4.
For non-perfect square numbers, the floor value of square root can be calculated using approximation methods.

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Interview Preparation Tips

Interview preparation tips for other job seekers - Go through DSA and core subjects

Software Engineer Interview Questions & Answers

National Instruments

Deepshikha

posted on 6 Oct 2023

Interview experience

Good

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Not Selected

I applied via Campus Placement and was interviewed in Apr 2023. There were 2 interview rounds.

Round 1 - Coding Test

Level was medium to hard

Round 2 - Technical

(5 Questions)

Q1. Technical interview

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Q2. Questions on DSA Cs fundamentals

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Q3. Coding questions

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Q4. Ques on String array

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Q5. To print tree in anticlock wise direction

Ans.

To print a tree in anticlockwise direction, start from the bottom left and traverse each level from right to left.

Start from the bottom left of the tree
Traverse each level from right to left
Print the nodes as you traverse

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Skills evaluated in this interview

Software Engineer Interview Questions & Answers

National Instruments

Anonymous

posted on 20 Nov 2024

Interview experience

Excellent

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

No response

I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - One-on-one

(2 Questions)

Q1. About my current company

Add your answer

Q2. About the work I do in my current company

Add your answer

Round 2 - Coding Test

Coding round where they ask few coding questions

Software Engineer Interview Questions & Answers

Bentley Systems

Anonymous

posted on 19 Aug 2023

Interview experience

Average

Difficulty level

Moderate

Process Duration

2-4 weeks

Result

Not Selected

I applied via Company Website and was interviewed before Aug 2022. There were 3 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 - HR

(2 Questions)

Q1. Describe a time when y ou had to learn a new kill to complete a project

Add your answer

Q2. Tell me about your resume

Add your answer

Round 3 - Coding Test

Reverse a given string using for loop

Interview Preparation Tips

Topics to prepare for Bentley Systems Software Engineer interview:

Data Structures
Algorithms
Coding

Interview preparation tips for other job seekers - Master Data Structures and Algorithms and be prepared to talk your experience written in your resume

Cadence Design Systems Interview FAQs

How many rounds are there in Cadence Design Systems Software Engineer interview?

Cadence Design Systems interview process usually has 2 rounds. The most common rounds in the Cadence Design Systems interview process are Assignment and Group Discussion.

How to prepare for Cadence Design Systems 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 Cadence Design Systems. The most common topics and skills that interviewers at Cadence Design Systems expect are Analog, Electronics, Corporate, Mentoring and Training.

What are the top questions asked in Cadence Design Systems Software Engineer interview?

Some of the top questions asked at the Cadence Design Systems Software Engineer interview -

There are fifteen horses and a racing track that can run five horses at a time....read more
What is a malloc function and where is it used and how is it different from n...read more
What is the difference between C++ and Objective C and where will you use ...read more

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Cadence Design Systems Software Engineer Salary

based on 84 salaries

₹6.8 L/yr - ₹25 L/yr

103% more than the average Software Engineer Salary in India

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