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Grab Greco Senior Software Engineer Interview Questions and Answers

Updated 5 Apr 2024

Grab Greco Senior Software Engineer Interview Experiences

2 interviews found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Apr 2023. There were 4 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Design Notification Observer Design Pattern, if not provided iOS.
  • Ans. 

    Notification Observer Design Pattern is used to establish a one-to-many relationship between objects.

    • Create a subject class that maintains a list of observers and notifies them of any state changes.

    • Observers register themselves with the subject to receive notifications.

    • Use protocols and delegates in iOS to implement the observer pattern.

    • Example: NotificationCenter in iOS uses the observer pattern to broadcast notificat

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. Based on tree data structure
Round 3 - Technical 

(1 Question)

  • Q1. Mangerial round. Manager also asked some technical questions on iOS.
Round 4 - HR 

(1 Question)

  • Q1. Salary discussion

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice Leet Code easy and some medium level problems.

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Jul 2022. There were 6 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 - Coding Test 

This round contains live coding round on any online editor.

Round 3 - Technical 

(1 Question)

  • Q1. This round based on your profile related technical questions.
Round 4 - Technical 

(1 Question)

  • Q1. System design round as well as technical related to the applied profile
Round 5 - Behavioral 

(1 Question)

  • Q1. Normal organisational fitment questions
Round 6 - HR 

(1 Question)

  • Q1. HR discussion on offered compensation

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Interview questions from similar companies

I applied via Naukri.com and was interviewed in Aug 2021. There were 3 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. What is aingleton and how it ia thread safe?
  • Ans. 

    Singleton is a design pattern that restricts the instantiation of a class to one object and provides a global point of access.

    • Singleton ensures that only one instance of a class is created and provides a way to access it globally.

    • It is thread-safe because the instance is created only once and accessed through a synchronized method or block.

    • Singleton can be implemented using different approaches such as eager initializa...

  • Answered by AI
  • Q2. What ia base class of class in c#?
  • Ans. 

    Object class is the base class of all classes in C#.

    • Object class provides basic functionalities like ToString(), GetHashCode(), and Equals() to all classes.

    • All classes in C# implicitly inherit from Object class.

    • Object class is defined in System namespace.

    • Example: class MyClass : Object { }

  • Answered by AI
  • Q3. Access modifiers in c#
  • Ans. 

    Access modifiers in C# control the visibility and accessibility of class members.

    • Public: accessible from anywhere

    • Private: accessible only within the class

    • Protected: accessible within the class and derived classes

    • Internal: accessible within the same assembly

    • Protected Internal: accessible within the same assembly and derived classes

    • Example: public int age; private string name;

    • Example: protected void DoSomething(); intern

  • Answered by AI
  • Q4. Default aceess modifiers?
  • Ans. 

    Default access modifiers are public, protected, and private.

    • Public: accessible from anywhere

    • Protected: accessible within the class and its subclasses

    • Private: accessible only within the class

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - More of a thery related questions

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Feb 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Components of service
  • Ans. 

    Components of a service include functionality, reliability, availability, and performance.

    • Functionality: The service should perform the intended tasks and meet the requirements.

    • Reliability: The service should consistently deliver the expected results.

    • Availability: The service should be accessible and operational when needed.

    • Performance: The service should perform efficiently and meet performance expectations.

  • Answered by AI
  • Q2. Lifecycles of web api
  • Ans. 

    The lifecycle of a web API refers to the stages it goes through from development to retirement.

    • The lifecycle typically includes stages like planning, development, testing, deployment, and retirement.

    • During planning, the requirements and design of the API are defined.

    • Development involves writing the code and implementing the functionality.

    • Testing ensures the API works as expected and meets the requirements.

    • Deployment in...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Corec# prepare well

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Company Website and was interviewed before May 2023. There were 2 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. Introduction about yourself and expectation
Round 2 - Technical 

(3 Questions)

  • Q1. IOS questions and architecture question about modularisation. From resume.
  • Q2. Question Asked about memory management
  • Q3. Question about modularisation and interface design

I appeared for an interview in Aug 2021.

Round 1 - Video Call 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical Interview round with questions on C#, Design patterns, OOPS etc.

  • Q1. What is a base class?
  • Ans. 

    A base class is a class that is used as a starting point for creating other classes. It can be inherited by other classes.

    • Base class provides common attributes and methods that can be inherited by other classes

    • Derived classes can extend or override the functionality of the base class

    • Example: Animal can be a base class with attributes like name and methods like eat, sleep

  • Answered by AI
  • Q2. What is a singleton design pattern?
  • Ans. 

    Singleton design pattern ensures a class has only one instance and provides a global point of access to it.

    • Used to restrict the instantiation of a class to one object

    • Commonly used in logging, caching, thread pools, database connections

    • Implemented by creating a static instance of the class and a private constructor to prevent external instantiation

  • Answered by AI
  • Q3. What are the different access modifiers in C#?
  • Ans. 

    Access modifiers in C# control the visibility and accessibility of classes, methods, and other members.

    • Public - accessible from any other class or assembly

    • Private - accessible only within the same class

    • Protected - accessible within the same class or derived classes

    • Internal - accessible within the same assembly

    • Protected Internal - accessible within the same assembly or derived classes

  • Answered by AI
  • Q4. What is the default access modifier in C#?
  • Ans. 

    The default access modifier in C# is 'private'.

    • Default access modifier is applied if no access modifier is specified for a class member

    • It restricts the access to the member within the same class

    • Example: private int myVariable = 10;

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAFareportal interview preparation:Topics to prepare for the interview - C#, Design patterns, Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 5 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewRejected

Skills evaluated in this interview

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

Implement boolean canConstruct(String targetString, String[] dict) which returns true if we can construct the targetString by concatenating the words given in the dictionary

Round 2 - Technical 

(1 Question)

  • Q1. Implement key value store
  • Ans. 

    Implement a key value store for storing and retrieving data efficiently.

    • Use a hash table or a balanced tree data structure to store key-value pairs.

    • Implement functions for inserting, updating, deleting, and retrieving key-value pairs.

    • Consider implementing features like transactions, concurrency control, and data persistence.

    • Example: Implement a simple key value store using a hash table in Python.

  • Answered by AI

Skills evaluated in this interview

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

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

Round 1 - Technical 

(2 Questions)

  • Q1. Minimum Knight Moves (LC Medium)
  • Q2. OS, CN, DB concepts like multithreading, semaphore, tcp vs udp, transaction and ACId properties. Java concepts like stack vs heap(memory), error vs exception. Any 1 Project discussion for 10 mins

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare all the fundamental concepts of operating systems and databases. Refer to the company-tagged questions from LC.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I appeared for an interview before Jul 2023.

Round 1 - Coding Test 

45 min round. Similar to Leetcode medium level question.

Round 2 - Coding Test 

45 min coding round, 2 question asked

Round 3 - Technical 

(1 Question)

  • Q1. System design of proximity service
  • Ans. 

    Design a system for proximity service

    • Utilize geolocation data to track user locations

    • Implement algorithms to calculate proximity between users

    • Use real-time updates to notify users of nearby contacts

  • Answered by AI
Round 4 - One-on-one 

(1 Question)

  • Q1. Behavioral questions

Skills evaluated in this interview

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

I applied via LinkedIn and was interviewed in Nov 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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. Given array of integer create subarray with sum = 0
  • Ans. 

    Create subarrays with sum = 0 from given array of integers.

    • Iterate through the array and keep track of the running sum.

    • Store the running sum in a hashmap and check if the current sum - any previous sum equals 0.

    • If yes, then the subarray between those two indices has a sum of 0.

  • Answered by AI
  • Q2. Left view of binary tree
  • Ans. 

    The left view of a binary tree is the set of nodes visible when the tree is viewed from the left side.

    • Traverse the tree in a level order manner and keep track of the first node at each level.

    • Use a queue to store nodes at each level and update the left view nodes accordingly.

    • Example: For a binary tree with root node 1, left child 2, and right child 3, the left view would be [1, 2].

  • Answered by AI

Skills evaluated in this interview

Grab Greco Interview FAQs

How many rounds are there in Grab Greco Senior Software Engineer interview?
Grab Greco interview process usually has 5 rounds. The most common rounds in the Grab Greco interview process are Technical, HR and Resume Shortlist.
What are the top questions asked in Grab Greco Senior Software Engineer interview?

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

  1. Design Notification Observer Design Pattern, if not provided i...read more
  2. System design round as well as technical related to the applied prof...read more
  3. This round based on your profile related technical questio...read more

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Grab Greco Senior Software Engineer Interview Process

based on 2 interviews

Interview experience

4
  
Good
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Grab Greco Senior Software Engineer Salary
based on 53 salaries
₹30 L/yr - ₹62 L/yr
174% more than the average Senior Software Engineer Salary in India
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