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ACS Group Software Engineer Interview Questions, Process, and Tips

Updated 7 Dec 2021

Top ACS Group Software Engineer Interview Questions and Answers

View all 17 questions

ACS Group Software Engineer Interview Experiences

2 interviews found

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

Interview Questionnaire 

3 Questions

  • Q1. Scenario based ETL load questions
  • Q2. Joins, indexes, query optimization
  • Q3. Sql unmatching records

Interview Preparation Tips

Interview preparation tips for other job seekers - Be honest and real. The interviewer will try to check your knowledge by giving scenario based questions. Be strong with basic concepts, you will crack it

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

Interview Questionnaire 

17 Questions

  • Q1. What is connection pooling?
  • Ans. 

    Connection pooling is a technique of reusing database connections to improve performance.

    • Connection pooling helps to reduce the overhead of creating and closing database connections.

    • It maintains a pool of database connections that can be reused by multiple clients.

    • It improves the scalability and performance of the application.

    • Connection pooling can be configured with parameters like maximum pool size, timeout, etc.

    • Exam...

  • Answered by AI
  • Q2. What are SOLID Principles?
  • Ans. 

    SOLID principles are a set of five design principles for writing maintainable and scalable code.

    • S - Single Responsibility Principle

    • O - Open-Closed Principle

    • L - Liskov Substitution Principle

    • I - Interface Segregation Principle

    • D - Dependency Inversion Principle

  • Answered by AI
  • Q3. Describe generations of Garbage collection.
  • Ans. 

    Generations of Garbage collection are used to manage memory in Java applications.

    • Garbage collection is the process of automatically freeing up memory that is no longer in use by the application.

    • Generational garbage collection divides objects into different generations based on their age and usage patterns.

    • Young generation is where new objects are created and old objects that survive multiple garbage collections are mov...

  • Answered by AI
  • Q4. IEnumerable vs Iqueryable
  • Ans. 

    IEnumerable is in-memory collection while IQueryable is a queryable data source.

    • IEnumerable is used for querying data from in-memory collections like List, Array, etc.

    • IQueryable is used for querying data from a database or remote data source.

    • IQueryable supports deferred execution while IEnumerable does not.

    • IQueryable allows for filtering, sorting, and paging to be done on the server side.

    • IQueryable is more efficient wh

  • Answered by AI
  • Q5. IEnumerable vs Lists
  • Ans. 

    IEnumerable is an interface while List is a class in C#.

    • IEnumerable is read-only and can only be iterated over.

    • List is a collection that can be modified and indexed.

    • IEnumerable is more memory efficient for large datasets.

    • List has more functionality like sorting and searching.

    • IEnumerable can be used with LINQ queries.

    • List is faster for small datasets.

  • Answered by AI
  • Q6. What is API Versioning?
  • Ans. 

    API versioning is the process of managing and updating different versions of an API.

    • API versioning allows developers to make changes to an API without breaking existing client applications.

    • It involves assigning a version number to each release of the API.

    • Versioning can be done through URL paths, headers, or query parameters.

    • Examples of API versioning include Twitter API v1.1 and Google Maps API v3.

    • API versioning is imp...

  • Answered by AI
  • Q7. How to prevent SQL Injection?
  • Ans. 

    Prevent SQL Injection by using parameterized queries and input validation.

    • Use parameterized queries instead of concatenating user input with SQL statements.

    • Sanitize user input by validating and escaping special characters.

    • Limit database user privileges to only necessary actions.

    • Implement web application firewalls to detect and block SQL injection attempts.

    • Regularly update and patch software to fix known vulnerabilities

  • Answered by AI
  • Q8. What are Delegates and types of delegates?
  • Ans. 

    Delegates are reference types that hold a reference to a method. They are used to achieve loose coupling and extensibility.

    • Delegates allow methods to be passed as parameters to other methods.

    • They can be used to implement callbacks and event handlers.

    • Delegates can be multicast, meaning they can hold references to multiple methods.

    • There are two types of delegates: singlecast and multicast.

  • Answered by AI
  • Q9. What is Multicasting in Angular?
  • Ans. 

    Multicasting in Angular is a technique to broadcast a single stream of data to multiple subscribers.

    • It allows multiple subscribers to receive the same data stream.

    • It reduces the number of HTTP requests made by the application.

    • It can be achieved using RxJS operators like multicast() and refCount().

  • Answered by AI
  • Q10. Observable vs Promises
  • Ans. 

    Observables are streams of data while Promises are one-time operations.

    • Observables can emit multiple values over time while Promises can only resolve once.

    • Observables can be cancelled while Promises cannot.

    • Observables are lazy while Promises are eager.

    • Observables can handle errors within the stream while Promises require a catch block.

    • Observables are used in reactive programming while Promises are used in asynchronous

  • Answered by AI
  • Q11. What is the use of base herf in index.html?
  • Ans. 

    Base href in index.html is used to specify the base URL for all relative URLs in the document.

    • Base href is used to set the base URL for all relative URLs in the document.

    • It is helpful when working with multiple directories or when the website is hosted on a subdirectory.

    • Example: <base href='https://www.example.com/'>

  • Answered by AI
  • Q12. What is the use of polyfills?
  • Ans. 

    Polyfills are code that allows modern browsers to support features that are not natively supported.

    • Polyfills are used to bridge the gap between modern web development and older browsers.

    • They provide a way to use new features without worrying about browser compatibility.

    • Polyfills can be used for features like CSS Grid, Fetch API, and ES6 syntax.

    • They are often included in JavaScript libraries and frameworks like React an

  • Answered by AI
  • Q13. What are Life cycle hooks?
  • Ans. 

    Life cycle hooks are methods that allow you to tap into the lifecycle of a component in Angular.

    • Life cycle hooks are used to perform actions at specific stages of a component's lifecycle.

    • There are eight different life cycle hooks in Angular.

    • Examples of life cycle hooks include ngOnInit, ngOnChanges, and ngOnDestroy.

  • Answered by AI
  • Q14. How component Interaction done?
  • Ans. 

    Component interaction is the process of communication and data exchange between different software components.

    • Components can interact through APIs, events, or shared memory.

    • APIs allow components to expose their functionality to other components.

    • Events enable components to notify each other of changes or trigger actions.

    • Shared memory allows components to access and modify the same data.

    • Component interaction is crucial f

  • Answered by AI
  • Q15. What are route guards?
  • Ans. 

    Route guards are used in Angular to prevent unauthorized access to certain routes.

    • Route guards can be used to check if a user is authenticated before allowing access to a route.

    • There are three types of route guards: CanActivate, CanActivateChild, and CanLoad.

    • CanActivate is used to protect individual routes, while CanActivateChild is used to protect child routes.

    • CanLoad is used to prevent lazy-loaded modules from being

  • Answered by AI
  • Q16. What is AOT?
  • Ans. 

    AOT stands for Ahead of Time compilation, a technique used to compile code before it is executed.

    • AOT is used to improve the performance of applications by compiling code before it is executed.

    • It is commonly used in mobile app development to reduce app startup time.

    • AOT can also help to reduce the size of the application binary.

    • Examples of AOT compilers include Google's Android Runtime (ART) and Apple's LLVM-based compil

  • Answered by AI
  • Q17. How is Two way binding done?
  • Ans. 

    Two way binding is a technique used in software development to keep data synchronized between the model and the view.

    • Two way binding allows changes made to the model to be reflected in the view and vice versa.

    • It is commonly used in front-end frameworks like Angular and React.

    • In Angular, two way binding is achieved using [(ngModel)] directive.

    • In React, two way binding can be achieved using state and props.

    • Two way bindin...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview for a .net + angular developer for 2 year experience.

Skills evaluated in this interview

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Interview questions from similar companies

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

I applied via Approached by Company and was interviewed before Jul 2022. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Knowledge about IC engine
Round 2 - One-on-one 

(1 Question)

  • Q1. Value engineering related questions
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Assignment 

Technical assesment was there in first round

Round 2 - One-on-one 

(1 Question)

  • Q1. Interview with national manager, CTO and fellow developer
Round 3 - HR 

(1 Question)

  • Q1. Meeting with regional head of IT department
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - Technical 

(1 Question)

  • Q1. Brief about yourself and some technical background
  • Ans. 

    I am a Senior Engineer with 10+ years of experience in software development and project management.

    • 10+ years of experience in software development

    • Strong background in project management

    • Proficient in multiple programming languages such as Java, Python, and C++

    • Experience with cloud technologies like AWS and Azure

    • Led successful development projects for major clients like XYZ Company

  • Answered by AI
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Given some problem statemts and asked to write the pseudo code,
  • Q2. What is Async and Await.
  • Ans. 

    Async and Await are keywords in JavaScript used to handle asynchronous operations in a synchronous manner.

    • Async is used to define a function as asynchronous, allowing it to run in the background without blocking the main thread.

    • Await is used to pause the execution of an async function until a Promise is settled, and then resumes the function with the resolved value.

    • Async functions always return a Promise, which allows ...

  • Answered by AI
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

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

Round 1 - One-on-one 

(3 Questions)

  • Q1. Questions were asked on Recursive programming
  • Q2. What is the output of this? static void Main(string[] args) { DivideNumber(233) } static void DivideNumber(int n) { if(n>=10) { DivideNumber(n/10); } Console.Write(n/10) }
  • Ans. 

    The output will be 23323

    • The DivideNumber method recursively divides the input number by 10 until it is less than 10

    • The Console.Write statement prints the result of n/10 each time the method is called

  • Answered by AI
  • Q3. Write Code If Input is 123, output should be "One Hundred Twenty Three";
  • Ans. 

    Convert numeric input to words in English

    • Break down the input number into hundreds, tens, and ones place

    • Use a dictionary or array to map numbers to their corresponding words

    • Handle special cases like teens and tens separately

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Oct 2024. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Write unit testing for adding two nimbers
  • Ans. 

    Unit testing for adding two numbers

    • Create a test case with two numbers and expected sum

    • Call the function that adds two numbers

    • Assert that the result matches the expected sum

  • Answered by AI
Round 2 - Behavioral 

(1 Question)

  • Q1. Explain challenge you faced in your last project
Round 3 - HR 

(1 Question)

  • Q1. Salary expectations

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare on fundamentals and previous projects

Skills evaluated in this interview

I appeared for an interview in Dec 2016.

Interview Questionnaire 

1 Question

  • Q1. How you will work under a supervisor.
  • Ans. 

    I will communicate effectively, follow instructions, seek feedback, and collaborate with my supervisor.

    • Communicate regularly with supervisor to provide updates on progress and ask for clarification when needed

    • Follow instructions carefully and ask for help if unsure about a task

    • Seek feedback on my work to improve and grow professionally

    • Collaborate with supervisor and team members to achieve project goals

    • Provide suggesti

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: I got selected for next round.
Tips: Do not loses hope.
Duration: 1 hour
Total Questions: 10

Round: Technical + HR Interview
Experience: It was nice experience.
Tips: Do not loses hope.

Skills: Technical Analysis, Managing People
College Name: IIT Kharagpur

I applied via Campus Placement and was interviewed in Dec 2016. There were 7 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. They asked about my experience
  • Q2. Gave a diagram and asked to identify a specific part of engine
  • Q3. Asked about what I learned rather than what they wanted and they'll identify whether we have what they want. An excellent selection process!!
  • Q4. Strength and weakness,
  • Q5. Introduction

Interview Preparation Tips

Round: Resume Shortlist
Experience: shortlisting of resumes
Tips: job experience is an advantage, I hope.

Round: Test
Experience: thermal, design questions...need to know basic knowledge
Duration: 30 minutes
Total Questions: 30

Round: Test
Experience: Quick interpretation of relevant data from a pool of data
Duration: 30 minutes
Total Questions: 30

Round: Problem Statement
Experience: You'll be given a A3 sheet and a marker pen. Then you will be asked to write your qualities to market yourselves. They'll test everything in you. So be careful about choosing your qualities to present.

Round: Technical Interview
Experience: I did pretty well, highlighted my job experience. It all depends on what you present to them and how you impress them with that. Be careful, you should sell them what they want.

Round: HR Interview
Experience: A thorough examination of one's personality. Please disguise your strength as weakness and sell.

Skills: Technical Skill, Data Interpretation, HR Skills, Work Experience, Presence Of Mind, relieving pressure
College Name: iit madras

ACS Group Interview FAQs

What are the top questions asked in ACS Group Software Engineer interview?

Some of the top questions asked at the ACS Group Software Engineer interview -

  1. What are Delegates and types of delegat...read more
  2. What is the use of base herf in index.ht...read more
  3. What is Multicasting in Angul...read more

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ACS Group Software Engineer Salary
based on 33 salaries
₹4 L/yr - ₹14.8 L/yr
18% more than the average Software Engineer Salary in India
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ACS Group Software Engineer Reviews and Ratings

based on 8 reviews

2.5/5

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2.4

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2.5

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