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Sophos Technologies Senior Software Engineer 1 Interview Questions, Process, and Tips

Updated 9 May 2022

Top Sophos Technologies Senior Software Engineer 1 Interview Questions and Answers

Sophos Technologies Senior Software Engineer 1 Interview Experiences

2 interviews found

Interview Questionnaire 

3 Questions

  • Q1. Write a LRU cache
  • Ans. 

    LRU cache is a data structure that stores the most recently used items and discards the least recently used items.

    • Use a doubly linked list to keep track of the order of items in the cache

    • Use a hash table to store the key-value pairs for fast access

    • When a new item is added, check if the cache is full and remove the least recently used item if necessary

  • Answered by AI
  • Q2. Inorder traversal of binary tree
  • Ans. 

    Inorder traversal is a way of visiting all nodes in a binary tree by visiting left subtree, then root, then right subtree.

    • Start at the root node

    • Traverse the left subtree recursively

    • Visit the root node

    • Traverse the right subtree recursively

    • Repeat until all nodes are visited

  • Answered by AI
  • Q3. OS questions like deadlock, System Design questions and few networking question

Skills evaluated in this interview

I applied via Referral and was interviewed before May 2021. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Difference between Abstract class and inteface
  • Ans. 

    Abstract class is a class that cannot be instantiated and can have both abstract and non-abstract methods. Interface is a collection of abstract methods.

    • Abstract class can have constructors while interface cannot

    • A class can implement multiple interfaces but can only inherit from one abstract class

    • Abstract class can have instance variables while interface cannot

    • Abstract class is used when we want to provide a common bas...

  • Answered by AI
  • Q2. Types of Git commands
  • Ans. 

    Git commands are used to manage version control of code. There are various types of Git commands.

    • Basic commands: add, commit, push, pull, clone

    • Branching commands: branch, checkout, merge, rebase

    • Advanced commands: stash, cherry-pick, reset, revert

    • Query commands: log, diff, blame, show

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare on Java, both UI and API with framework development

Skills evaluated in this interview

Senior Software Engineer 1 Interview Questions Asked at Other Companies

Q1. Architecture Design for an e2e system that takes input from user ... read more
Q2. What is CRFS? The experience around working with it.
Q3. What is difference between Python and Node.JS?
Q4. What is the difference between SQL and NoSQL?
Q5. Convert a String into sub-strings based on the number of given ro ... read more

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected
Round 1 - Group Discussion 

The first round was a group discussion about online shopping.

Round 2 - Technical 

(1 Question)

  • Q1. What questions did the interviewer ask is related to the Java programming language
Round 3 - One-on-one 

(1 Question)

  • Q1. Discussed about General questions related to Company and personal details
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement

Round 1 - Aptitude Test 

Question related to operating system and computer network

Round 2 - Technical 

(1 Question)

  • Q1. Traverse all child nodes in tree
  • Ans. 

    Traverse all child nodes in a tree data structure

    • Use depth-first or breadth-first traversal algorithms

    • Recursively visit each child node starting from the root node

    • Consider using a stack or queue data structure for traversal

    • Example: Traverse all nodes in a binary tree

  • Answered by AI
Round 3 - Technical 

(1 Question)

  • Q1. Question related to cloud and oops
Round 4 - Technical 

(1 Question)

  • Q1. Question related to my background and how web site work
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
Selected Selected
Round 1 - Technical 

(1 Question)

  • Q1. JavaScript , coding questions
Round 2 - Technical 

(1 Question)

  • Q1. Coding problem, JavaScript and nodejs question
Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
-
Result
No response

I applied via Walk-in and was interviewed in Nov 2024. There were 5 interview rounds.

Round 1 - Coding Test 

Normal online code / frontend test

Round 2 - Technical 

(1 Question)

  • Q1. How would you build book my show
  • Ans. 

    Designing and building a platform similar to BookMyShow involves creating a user-friendly interface for booking tickets for various events.

    • Develop a user-friendly website and mobile app for users to browse and book tickets for movies, concerts, plays, etc.

    • Implement a secure payment gateway for users to make online transactions.

    • Integrate a database to store information about events, venues, tickets, and user bookings.

    • In...

  • Answered by AI
Round 3 - Technical 

(1 Question)

  • Q1. Solid principals, awareness of patterns
Round 4 - Technical 

(1 Question)

  • Q1. How would you build tinyurl like service, systems designs
  • Ans. 

    To build a tinyurl-like service, design a system with a URL shortening algorithm, a database to store mappings, and a redirect service.

    • Use a hashing algorithm to generate short URLs from long URLs (e.g. MD5, SHA-256).

    • Store the mappings of short URLs to long URLs in a database (e.g. MySQL, Redis).

    • Implement a redirect service that takes a short URL, looks up the corresponding long URL in the database, and redirects the u...

  • Answered by AI
Round 5 - One-on-one 

(1 Question)

  • Q1. Non-technical questions

Interview Preparation Tips

Interview preparation tips for other job seekers - no reply after giving so many rounds.
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Jan 2025.

Round 1 - Technical 

(2 Questions)

  • Q1. Basic sql query and some project related questions
  • Q2. What is indexing
Round 2 - Technical 

(1 Question)

  • Q1. Some management questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview is easy but work culture is too bad
Interview experience
1
Bad
Difficulty level
Easy
Process Duration
-
Result
Selected Selected

I was interviewed in Dec 2024.

Round 1 - Coding Test 

Mainly 4 Questions
1-2 MCQ
3: Create a class deriving from IReptile and return an object of HatchEgg which has Hatch Method. Hatch Method should return same IReptile object.
4) Sorting IDs in dictionary

Round 2 - Technical 

(2 Questions)

  • Q1. The Interviewer was Very Rude and he doesn't care about the Requirements of Hiring a candidate. he was constantly asking about Other Companies Architectures and The things you did in them. instead of havin...
  • Q2. SOLID, Interfaces , Boxing/Unboxing

Interview Preparation Tips

Interview preparation tips for other job seekers - Stay away from this company. very toxic
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-

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

Round 1 - Technical 

(4 Questions)

  • Q1. Find longest palindromic substring in a given string.
  • Ans. 

    Use dynamic programming to find the longest palindromic substring in a given string.

    • Iterate through the string and expand around each character to find palindromes.

    • Store the length of the longest palindrome found so far.

    • Return the substring based on the start and end indices of the longest palindrome.

  • Answered by AI
  • Q2. How to serialize and deserialise a tree
  • Ans. 

    To serialize and deserialize a tree, use a recursive approach to traverse the tree and store the data in a suitable format.

    • Use pre-order traversal to serialize the tree by storing the node values in a list or string.

    • For deserialization, reconstruct the tree by recursively building nodes from the serialized data.

    • Consider using JSON or XML format for serialization to easily store and retrieve tree structure.

  • Answered by AI
  • Q3. Find if a given regex (containing ., * and lower case english chars) matches a given string.
  • Ans. 

    Use regex library to match given regex with string.

    • Use a regex library like re in Python to match the given regex with the string.

    • Check if the regex matches the string using the library functions.

    • Handle cases where the regex contains special characters like . and * appropriately.

  • Answered by AI
  • Q4. Explain about throttling and implement throttle function.
  • Ans. 

    Throttling is a technique used to control the rate of requests sent to a server.

    • Throttling helps prevent server overload by limiting the number of requests processed at a time.

    • Implementing a throttle function involves setting a maximum request rate and delaying excess requests.

    • Example: Implementing a throttle function in a web application to limit the number of API calls made to a third-party service.

    • Example: Throttlin...

  • Answered by AI
Round 2 - Technical 

(4 Questions)

  • Q1. Find squares of elements in a sorted array and return the sorted response.
  • Ans. 

    Sort the squares of elements in a sorted array and return the sorted response.

    • Iterate through the array and square each element.

    • Store the squared values in a new array.

    • Sort the new array and return it.

  • Answered by AI
  • Q2. Write a short promise example and implement your own promise
  • Ans. 

    A promise is a commitment to do something in the future, typically used for asynchronous operations in JavaScript.

    • Promises are used to handle asynchronous operations in JavaScript.

    • They represent a value that may be available now, in the future, or never.

    • Promises have three states: pending, fulfilled, or rejected.

    • Example: new Promise((resolve, reject) => { setTimeout(() => resolve('Done!'), 1000); });

  • Answered by AI
  • Q3. Explain event loop, what are different types of queues in event loop
  • Ans. 

    Event loop is a mechanism that allows for asynchronous execution of code by managing the order of events in a single thread.

    • Event loop continuously checks the call stack for any functions that need to be executed, and processes them in a non-blocking manner.

    • Different types of queues in event loop include microtask queue (Promise callbacks), macrotask queue (setTimeout, setInterval callbacks), and animation frame queue

  • Answered by AI
  • Q4. What is virtual DOM and why its faster
  • Ans. 

    Virtual DOM is a lightweight copy of the actual DOM, used to improve performance by minimizing direct manipulation of the real DOM.

    • Virtual DOM is a concept used in frameworks like React to optimize rendering performance.

    • Changes are first made to the virtual DOM, which is then compared to the real DOM to identify the minimal updates needed.

    • This approach reduces the number of actual DOM manipulations, resulting in faster...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for ServiceNow Senior Software Engineer interview:
  • React.Js
  • Javascript
  • DSA

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
-

I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. Explain OOPS concept and how you apply it in your implementation
  • Ans. 

    OOPS is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.

    • OOPS focuses on the concept of classes and objects

    • Encapsulation: bundling data and methods that operate on the data within a single unit

    • Inheritance: allows a class to inherit properties and behavior from another class

    • Polymorphism: ability to present the same interface for diffe...

  • Answered by AI
  • Q2. Difference between Comparable and Comparator. Difference between Abstract Class and Interface
  • Ans. 

    Comparable is an interface used for natural ordering, Comparator is an interface used for custom ordering. Abstract class can have method implementations, Interface cannot.

    • Comparable interface is used to define the natural ordering of objects. Example: String class implements Comparable interface for natural ordering based on alphabetical order.

    • Comparator interface is used to define custom ordering of objects. Example:...

  • Answered by AI
  • Q3. Given a string. Find the number of occurrences of each character
  • Ans. 

    Count occurrences of each character in a given string

    • Create an array to store the count of each character

    • Iterate through the string and increment the count of each character in the array

    • Return the array with counts for each character

  • Answered by AI
  • Q4. Given an array. Remove the number of duplicates
  • Ans. 

    Remove duplicates from an array of strings

    • Iterate through the array and store each element in a set to keep track of unique values

    • Create a new array with the unique values from the set

  • Answered by AI
  • Q5. Given a student object having name and grade data variables. Sort the object on the basis of highest grade.

Skills evaluated in this interview

Sophos Technologies Interview FAQs

How many rounds are there in Sophos Technologies Senior Software Engineer 1 interview?
Sophos Technologies interview process usually has 1 rounds. The most common rounds in the Sophos Technologies interview process are One-on-one Round.
What are the top questions asked in Sophos Technologies Senior Software Engineer 1 interview?

Some of the top questions asked at the Sophos Technologies Senior Software Engineer 1 interview -

  1. Difference between Abstract class and intef...read more
  2. Inorder traversal of binary t...read more
  3. Types of Git comma...read more

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Sophos Technologies Senior Software Engineer 1 Salary
based on 30 salaries
₹17.5 L/yr - ₹46 L/yr
88% more than the average Senior Software Engineer 1 Salary in India
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Sophos Technologies Senior Software Engineer 1 Reviews and Ratings

based on 5 reviews

4.4/5

Rating in categories

3.7

Skill development

3.9

Work-life balance

4.0

Salary

3.8

Job security

3.6

Company culture

3.5

Promotions

3.7

Work satisfaction

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