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GS Lab Senior Software Engineer Interview Questions, Process, and Tips
Top GS Lab Senior Software Engineer Interview Questions and Answers
- Q1. Difference in TCP & UDP? Which is used in which case?
- Q2. Prototypes of socket, bind, listen, accept & connect and their functionality
- Q3. diff between hashtable and concurrent hash map
GS Lab Senior Software Engineer Interview Experiences
11 interviews found
Anonymous
Interview Questionnaire
3 Questions
- Q1. Diff between hashtable and concurrent hash map
- Ans.
Hashtable is not thread-safe while ConcurrentHashmap is thread-safe.
Hashtable is a legacy class while ConcurrentHashmap is a modern class.
Hashtable uses synchronized methods while ConcurrentHashmap uses lock striping.
ConcurrentHashmap allows multiple threads to read and write concurrently.
Hashtable is slower than ConcurrentHashmap in multi-threaded environments.
- Q2. Diff bet Sorting and ordering
- Ans.
Sorting is arranging data in a specific order based on a criteria, while ordering is arranging data in ascending or descending order.
Sorting involves arranging data based on a specific criteria such as alphabetical order, numerical order, or date order.
Ordering involves arranging data in either ascending or descending order based on a default criteria such as alphabetical order or numerical order.
Sorting can be customi...
- Q3. Flatmap and map
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. Structure vs union, memory allocation in c, variable parameter function in c, string function in c
- Q2. Cpp polymorphism, inheritance, virtual function,
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.
Program find the duplicate value in string
shifting array program
(1 Question)
- Q1. Salary discussion
I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.
(1 Question)
- Q1. Basic questions like collections, string, Springboot annotations, REST API.System design question, file structure copy logic
GS Lab interview questions for designations
Amit Aggarwal
Selected
I applied via Naukri.com and was interviewed before Dec 2023. There was 1 interview round.
(2 Questions)
- Q1. Basic c plus plus
- Q2. Rule of 3 5
Interview Preparation Tips
Get interview-ready with Top GS Lab Interview Questions
Selected
I applied via Recruitment Consulltant and was interviewed before Aug 2023. There was 1 interview round.
(2 Questions)
- Q1. Basic about java, oops java 8 spring boot etc
- Q2. DB concepts like joins, view etc.
Interview Preparation Tips
- Java
- Java 8
- REST API
- Microservieces
- MySQL
Selected
I was interviewed before May 2023.
(1 Question)
- Q1. Basic Oops questions
(1 Question)
- Q1. Coding questions - implement find function for a string in c++.
- Ans.
Implement find function for a string in C++.
Use the find() function from the string class in C++ to search for a substring within a string.
The find() function returns the position of the first occurrence of the substring, or string::npos if not found.
Example: string str = 'hello world'; int pos = str.find('world');
(1 Question)
- Q1. Scenario based questions Realtime example of Oops
- Ans.
Realtime example of OOPs is modeling a car as an object with properties and methods.
Create a Car class with properties like make, model, year, and methods like start, accelerate, brake.
Instantiate multiple Car objects with different properties and call their methods.
Demonstrate inheritance by creating a subclass ElectricCar with additional properties and methods.
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed before Dec 2021. There were 5 interview rounds.
(2 Questions)
- Q1. Shell scripting assignment
- Q2. CICD pipeline with Jenkins
(2 Questions)
- Q1. Docker related questions
- Q2. Ansible playbook related
(2 Questions)
- Q1. Mostly which technology stack have experience based on that
- Q2. What type of working experience have
(2 Questions)
- Q1. All about personal information
- Q2. Salary negotiable round
Interview Preparation Tips
So per experience scenario base questions is asked alot.
Interview Questionnaire
1 Question
- Q1. C# basics, Multithreading, JavaScript Es6 features
I was interviewed in Jul 2021.
Interview Questionnaire
1 Question
- Q1. Codes on array string, java oops, java 8 concepts, collection, stream
Interview Preparation Tips
only one advice HR bhavya jain needs to focus on her communication skills. she was rude since very 1st call till my joining date. it creates negative mind set about organization.
I applied via Referral and was interviewed in Aug 2020. There were 3 interview rounds.
Interview Questionnaire
5 Questions
- Q1. Prototypes of socket, bind, listen, accept & connect and their functionality
- Ans.
Prototypes and functionality of socket, bind, listen, accept & connect
socket() - creates a new socket
bind() - assigns a local address to a socket
listen() - puts a socket in a passive mode
accept() - accepts a connection on a socket
connect() - initiates a connection on a socket
- Q2. Handshaking mechanism in TCP communication
- Ans.
Handshaking mechanism in TCP communication is a process of establishing and terminating a connection between two devices.
TCP uses a three-way handshake mechanism to establish a connection.
The three steps involved in the handshake are SYN, SYN-ACK, and ACK.
During the handshake, the devices exchange information about the initial sequence numbers, window sizes, and other parameters.
The handshake ensures that both devices ...
- Q3. Difference in TCP & UDP? Which is used in which case?
- Ans.
TCP is a connection-oriented protocol while UDP is connectionless. TCP is used for reliable data transfer while UDP is used for real-time applications.
TCP provides reliable, ordered, and error-checked delivery of data while UDP does not guarantee any of these
TCP is used for applications that require high reliability and transmission speed, such as email, file transfer, and web browsing
UDP is used for real-time applicat...
- Q4. Linux IPC, process, memory & file management concepts
- Q5. C questions
Interview Preparation Tips
Skills evaluated in this interview
GS Lab Interview FAQs
The duration of GS Lab Senior Software Engineer interview process can vary, but typically it takes about less than 2 weeks to complete.
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GS Lab Senior Software Engineer Interview Process
based on 9 interviews
2 Interview rounds
- Technical Round
- HR Round
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GS Lab Senior Software Engineer Reviews and Ratings
based on 105 reviews
Rating in categories
|
Software Engineer
762
salaries
|  ₹4 L/yr - ₹16.6 L/yr |
|
Senior Software Engineer
758
salaries
| ₹9 L/yr - ₹31.5 L/yr |
|
Lead Software Engineer
253
salaries
| ₹11 L/yr - ₹36 L/yr |
|
Softwaretest Engineer
115
salaries
| ₹3.5 L/yr - ₹10 L/yr |
|
Software Developer
96
salaries
| ₹4.3 L/yr - ₹18 L/yr |
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