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NexGen Tech Solutions Interview Questions and Answers
6 Interview questions
Calculate the frequency of a specific integer in an array of strings.
Iterate through the array and use a hashmap to store the frequency of each integer.
Return the frequency of the specified integer from the hashmap.
Node.js is a runtime environment that allows you to run JavaScript on the server side.
Node.js is built on Chrome's V8 JavaScript engine.
It uses an event-driven, non-blocking I/O model.
Node.js is commonly used for building server-side applications and APIs.
It has a large ecosystem of libraries and frameworks, such as Express and Socket.io.
API stands for Application Programming Interface. It is a set of protocols, routines, and tools for building software applications.
API allows different software applications to communicate with each other
It defines how software components should interact
API provides a layer of abstraction between software components
API can be used to access data or functionality from a remote server
Examples of APIs include Google ...
Java threads allow concurrent execution of multiple parts of a program.
Threads are created by extending the Thread class or implementing the Runnable interface
Threads can be started using the start() method
Thread.sleep() can be used to pause a thread for a specified amount of time
Synchronization can be used to prevent multiple threads from accessing shared resources simultaneously
OTT is a streaming service delivered over the internet. SDLC is a process for software development. Network gateway is a device that connects networks.
OTT stands for Over-The-Top and refers to streaming services like Netflix, Hulu, and Amazon Prime Video that are delivered over the internet.
SDLC stands for Software Development Life Cycle and is a process for developing software that includes planning, designing, c...
AWS is a cloud computing platform that offers a wide range of services for computing, storage, networking, and more.
AWS offers services for computing, storage, databases, analytics, machine learning, networking, security, and more
Some popular AWS services include EC2, S3, RDS, Lambda, DynamoDB, and VPC
AWS also offers tools for deployment, management, and monitoring of applications and infrastructure
AWS has a globa...
NexGen Tech Solutions Interview Experiences
7 interviews found
Selected
I appeared for an interview in Apr 2025, where I was asked the following questions.
- Q1. Microservices how is it different from N-tier model
- Q2. How do you handle a difficult employee and make them work
I appeared for an interview in May 2024.
(2 Questions)
- Q1. Find frequency of integer in array
- Ans.
Calculate the frequency of a specific integer in an array of strings.
Iterate through the array and use a hashmap to store the frequency of each integer.
Return the frequency of the specified integer from the hashmap.
- Q2. Node js project explanation and evaluation
- Ans.
Node.js is a runtime environment that allows you to run JavaScript on the server side.
Node.js is built on Chrome's V8 JavaScript engine.
It uses an event-driven, non-blocking I/O model.
Node.js is commonly used for building server-side applications and APIs.
It has a large ecosystem of libraries and frameworks, such as Express and Socket.io.
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Apr 2023. There were 2 interview rounds.
(3 Questions)
- Q1. What can you understand by API
- Ans.
API stands for Application Programming Interface. It is a set of protocols, routines, and tools for building software applications.
API allows different software applications to communicate with each other
It defines how software components should interact
API provides a layer of abstraction between software components
API can be used to access data or functionality from a remote server
Examples of APIs include Google Maps ...
- Q2. Explain AWS and its services
- Ans.
AWS is a cloud computing platform that offers a wide range of services for computing, storage, networking, and more.
AWS offers services for computing, storage, databases, analytics, machine learning, networking, security, and more
Some popular AWS services include EC2, S3, RDS, Lambda, DynamoDB, and VPC
AWS also offers tools for deployment, management, and monitoring of applications and infrastructure
AWS has a global inf...
- Q3. Explain OTT, SDLC, network gateway
- Ans.
OTT is a streaming service delivered over the internet. SDLC is a process for software development. Network gateway is a device that connects networks.
OTT stands for Over-The-Top and refers to streaming services like Netflix, Hulu, and Amazon Prime Video that are delivered over the internet.
SDLC stands for Software Development Life Cycle and is a process for developing software that includes planning, designing, coding...
Skills evaluated in this interview
Selected
I applied via Referral and was interviewed before Oct 2023. There were 2 interview rounds.
Create a CRUD API with mongoDB
(2 Questions)
- Q1. Nodejs event loop
- Q2. Express middlerware
Interview Preparation Tips
I applied via Job Portal
(2 Questions)
- Q1. Technical+Functional
- Q2. How can we maintain GL account Hierarchy in SAC
(1 Question)
- Q1. Don't accept invite from these fraud companies.These people make you experience bad and there are far better companies ready to take you
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed before Feb 2023. There were 2 interview rounds.
Kotlin code assignment
Threading program was given to be written
Interview Questionnaire
5 Questions
- Q1. Builder pattern.
- Q2. Java thread code example
- Ans.
Java threads allow concurrent execution of multiple parts of a program.
Threads are created by extending the Thread class or implementing the Runnable interface
Threads can be started using the start() method
Thread.sleep() can be used to pause a thread for a specified amount of time
Synchronization can be used to prevent multiple threads from accessing shared resources simultaneously
- Q3. Constraint layout
- Q4. Class loader
- Q5. Kotlin coroutines
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
Senior Software Engineer Interview Questions & Answers
Hughes Systique Corporation
Anonymous
posted on 19 Oct 2021
I applied via Naukri.com and was interviewed before Oct 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. How will you sync your distributed systems
- Ans.
I will use a combination of messaging systems, data replication, and versioning to ensure consistency and availability.
Use messaging systems like Kafka or RabbitMQ to ensure reliable communication between systems
Implement data replication to ensure that data is available on multiple nodes
Use versioning to ensure that all nodes are working with the same data
Implement conflict resolution strategies to handle conflicts th...
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Apr 2021. There were 5 interview rounds.
Time and work, time and distance, percentages, data interpretation
Business case study - increase revenue for museum
(1 Question)
- Q1. Common machine learning algorithms, statistical concepts, projects mentioned in resume
(2 Questions)
- Q1. Management round, behavioral questions were asked.
- Q2. Why Mathcompany?, what if your current company offers more pay?
Interview Preparation Tips
I applied via Referral
Interview Questionnaire
4 Questions
- Q1. I was asked to write the algorithm of checking
- Ans.
An algorithm to check conditions or criteria systematically for validation or verification.
Define the criteria to check (e.g., if a number is even).
Iterate through the data set (e.g., an array of numbers).
Apply the condition to each element (e.g., check if each number % 2 == 0).
Store results (e.g., true/false for each check).
Return or display the results.
- Q2. How many mobile phones are sold each year in India
- Ans.
Approximately 150-200 million mobile phones are sold each year in India.
India is the second-largest smartphone market in the world after China.
The number of mobile phone users in India is expected to reach 1.25 billion by 2020.
The Indian smartphone market grew by 7% YoY in 2019.
Major players in the Indian smartphone market include Xiaomi, Samsung, and Vivo.
- Q3. How many tube lights are there in the city of Mumbai
- Ans.
It is not possible to accurately determine the number of tube lights in the city of Mumbai.
The number of tube lights in a city is not publicly available information.
The city of Mumbai has a large population and a vast number of buildings, making it impossible to count all the tube lights.
The number of tube lights can vary greatly depending on factors such as residential, commercial, and industrial areas.
Even if we cons...
- Q4. Three different puzzles
Interview Preparation Tips
Experience: The Test is in lines of what we prepare for all the major competitive exams, similar to CAT. The difficulty level is moderate to easy. No negative marking. Cut off were sectional as well as overall.
It was overall a smooth ride. The results were given an hour later after the test.
Tips: Attempt your strong section first. Maintain accuracy and try and be fast in solving.
Duration: 60 minutes
Total Questions: 60
Round: Guesstimate Interview
Experience: It was pretty smooth. They generally look for your thought process rather than the exact figure. Expect cross questions on your solution.
Round: Puzzle Interview
Experience: This round was combined with the Guesstimate question. The puzzles were of a good level. But if you like solving them in your free time, you would fare well here.
Skills: Analyzing And Problem Solving Skills, Logical Thinking
College Name: KJ Somaiya Institute Of Management Studies And Research
Motivation: Its into Analytics industry. I like the the culture and the people. Wish to build a career in Analytics.
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NexGen Tech Solutions Interviews By Designations
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Overall Interview Experience Rating
based on 9 interview experiences
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NexGen Tech Solutions Reviews and Ratings
based on 59 reviews
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