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Pattern Technologies Software Engineer Level 1 Interview Questions, Process, and Tips

Updated 13 Jun 2024

Pattern Technologies Software Engineer Level 1 Interview Experiences

1 interview found

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

I applied via Campus Placement and was interviewed before Jun 2023. There were 4 interview rounds.

Round 1 - Coding Test 

2 DSA problem, 1 JavaScript problem, 1 React problem

Round 2 - Technical 

(6 Questions)

  • Q1. Scenario based SQL query needs solve using triple join
  • Q2. Stack implementation with additional method/function that will always return minimum number present in stack
  • Ans. 

    Implement a stack with a method to return the minimum number in O(1) time complexity

    • Create a stack to store numbers and another stack to store minimum numbers encountered so far

    • When pushing a number, check if it is smaller than the current minimum and push it to the minimum stack

    • When popping a number, check if it is the current minimum and pop from the minimum stack if necessary

    • The top of the minimum stack will always

  • Answered by AI
  • Q3. Sum of consecutive numbers in circular linked list
  • Ans. 

    To find the sum of consecutive numbers in a circular linked list, iterate through the list and keep track of the sum.

    • Iterate through the circular linked list starting from a given node

    • Keep track of the sum of consecutive numbers as you traverse the list

    • Handle the case when the list loops back to the starting node

  • Answered by AI
  • Q4. Explain polymorphism with examples
  • Ans. 

    Polymorphism is the ability of a single function or method to operate on different types of data.

    • Polymorphism allows objects of different classes to be treated as objects of a common superclass.

    • There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

    • Example of compile-time polymorphism: function overloading where multiple functions have the same name but different paramete...

  • Answered by AI
  • Q5. Explain inheritance, its types and examples
  • Ans. 

    Inheritance is a concept in object-oriented programming where a class inherits attributes and methods from another class.

    • Types of inheritance: single inheritance, multiple inheritance, multilevel inheritance, hierarchical inheritance

    • Examples: Animal class can be inherited by Dog and Cat classes, Vehicle class can be inherited by Car and Bike classes

  • Answered by AI
  • Q6. What is React ? What is NPM? Why have you used it in your project
  • Ans. 

    React is a JavaScript library for building user interfaces. NPM is a package manager for JavaScript.

    • React is used for creating interactive UI components

    • NPM is used for managing dependencies and packages in JavaScript projects

    • I used React in my project for its component-based architecture and virtual DOM efficiency

    • I used NPM in my project to easily install and manage third-party libraries and tools

  • Answered by AI
Round 3 - HR 

(2 Questions)

  • Q1. Introduction ( first question in every round)
  • Q2. General questions
Round 4 - Behavioral 

(1 Question)

  • Q1. Introduction / overall feedback for all rounds

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare separate introduction for different rounds. Technical person is more interested in your technical interests rather than family background. Ask questions when given opportunity. Interviewers are friendly so take your time to answer question ( have clear understanding of questions before answering) and maintain smile :)

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Nov 2022. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. SQL, C, DBMS previous company roles and responsibilities Behavioral questions
Round 2 - Technical 

(1 Question)

  • Q1. SQL C Oops Data structure Behavioral question
Round 3 - Versant Test 

(1 Question)

  • Q1. Verbal communication test by Pearson 60/100 is cutoff to clear

Interview Preparation Tips

Interview preparation tips for other job seekers - SQL is important

Behavioral questions

Good communication

I applied via Campus Placement and was interviewed in Dec 2021. There were 3 interview rounds.

Round 1 - Coding Test 

There were some technical questions MCQ based. Then there were 2 coding questions,i don't remember the questions exactly ,but one was a medium level array manipulation question and the other was medium level string manipulation question.

Round 2 - Aptitude Test 

The round was of 1 hour .SHL platform conducts the Aptitude and Verbal Reasoning. It had two sections, first was a numerical ability which had questions mostly on Data interpretation (Tables, Bar graphs, and Pie charts). Calculators were allowed however you had to be extremely fast in your calculations as the timing constraints were very strict and you could not go back to the previous question. The second section was verbal reasoning which was mostly reading comprehension based. I was preparing for GMAT so I was all brushed up. I would recommend to go through the SHL sample papers to become familiar with the format of aptitude and Verbal reasoning questions.

Round 3 - HR 

(1 Question)

  • Q1. It went for about 1.25 hours. TR round : The interviewer was very supportive and wanted a healthy discussion. First he asked about my project and questions based on my project. Q1.He asked me what is 4...

Interview Preparation Tips

Interview preparation tips for other job seekers - Go through the SHL format and focus on logic building.

I applied via Campus Placement and was interviewed in Feb 2021. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Most questions based on oops concepts(theory). At the interviewer asked me to write any searching or sorting algorithm.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be good on basics. If you don't know the answer just tell that you don't know(in polite way).

I applied via Campus Placement and was interviewed before Dec 2020. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. ER diagrams concepts
  • Q2. SQL Joins and types of sql statements
  • Ans. 

    SQL Joins are used to combine data from multiple tables. There are four types of SQL statements: SELECT, INSERT, UPDATE, and DELETE.

    • SQL Joins are used to combine data from two or more tables based on a related column between them.

    • The four types of SQL statements are SELECT, INSERT, UPDATE, and DELETE.

    • SELECT is used to retrieve data from one or more tables.

    • INSERT is used to add new data to a table.

    • UPDATE is used to modi...

  • Answered by AI
  • Q3. Java string and APIs
  • Q4. A simple loop code was given to find out the time complexity

Interview Preparation Tips

Interview preparation tips for other job seekers - Interviews questions were very basic. If your basics are clear they know that you are a trainable resource. As there are wide variety of projects in Cerner, so just the fundamemtals need to be in place, rest they coach you in the 3-6months training period.

Skills evaluated in this interview

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

I applied via Referral and was interviewed in Dec 2022. There were 3 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. Questions related to SQL
  • Q2. Few Aptitude Questions as well
Round 3 - Technical 

(2 Questions)

  • Q1. Questions related to SQL
  • Q2. Joins with DDL, DML
  • Ans. 

    Joins in SQL are used to combine rows from two or more tables based on a related column between them.

    • Joins are used in SQL to retrieve data from multiple tables based on a related column

    • DDL (Data Definition Language) is used to define the structure of database objects like tables, views, etc.

    • DML (Data Manipulation Language) is used to manipulate data in the database like inserting, updating, deleting records

  • Answered by AI

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in May 2019. There was 1 interview round.

Interview Questionnaire 

4 Questions

  • Q1. How MVC works for data flow?
  • Ans. 

    MVC separates data flow into three components: Model, View, and Controller.

    • Model represents data and business logic

    • View displays data to the user

    • Controller handles user input and updates the model and view accordingly

    • Data flows from the model to the view through the controller

    • Changes in the view are communicated to the controller, which updates the model and view

  • Answered by AI
  • Q2. What are mvc layers
  • Ans. 

    MVC stands for Model-View-Controller. It is a software design pattern that separates an application into three interconnected components.

    • Model: Represents the data and business logic of the application

    • View: Displays the data to the user and handles user input

    • Controller: Acts as an intermediary between the Model and View, handling user input and updating the Model and View accordingly

  • Answered by AI
  • Q3. Get and post methods
  • Q4. Servlet life cycle

Interview Preparation Tips

Interview preparation tips for other job seekers - Do your homework for string data structures problems

Skills evaluated in this interview

I appeared for an interview in Aug 2017.

Interview Questionnaire 

3 Questions

  • Q1. Tell me something about yourself
  • Ans. 

    I am a passionate software developer with experience in Java, Python, and web development.

    • Experienced in Java, Python, and web development

    • Passionate about coding and problem-solving

    • Strong communication and teamwork skills

    • Always eager to learn and adapt to new technologies

  • Answered by AI
  • Q2. Questions on data structures
  • Q3. Questions on algorithms

Interview Preparation Tips

Round: Technical + HR Interview
Experience: it took half-an-hour

Skills: Technical Skill, Technical Analysis, Speaking Skills
College Name: NIT Bhopal

I appeared for an interview before Mar 2021.

Round 1 - Face to Face 

(6 Questions)

Round duration - 60 minutes
Round difficulty - Medium

The interviewer was really cool. He realized that I mostly work on java applications so he chose to ask me stuff related to that. He didn't want me to know the answer well but just wanted me to approach to it, maybe think more. He went through my resume back and forth and asked mostly about all my projects and their logic and how could I take them to the next level.
Tips: Be confident. Its okay not to know any answer, just try giving it a shot in the approach.

  • Q1. What is the difference between an abstract class and an interface in Java?
  • Ans. 

    Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.

    • Abstract class can have constructors, member variables, and methods with implementation.

    • Interface can only have abstract methods and constants.

    • A class can implement multiple interfaces but can only extend one abstract class.

    • Example: Abstract class - Animal with abstract method 'eat', Interface - Flyable with m

  • Answered by AI
  • Q2. What is the difference between 'final', 'finally', and 'finalize' in Java?
  • Ans. 

    final is a keyword used to declare constants, finally is a block used in exception handling, and finalize is a method used for cleanup.

    • final is a keyword used to declare constants in Java, meaning the value cannot be changed once assigned. Example: final int x = 10;

    • finally is a block used in exception handling to ensure a piece of code is always executed, whether an exception is thrown or not. Example: try { // code } ...

  • Answered by AI
  • Q3. What is the difference between the private and final access modifiers in Java?
  • Ans. 

    Private restricts access to the class itself, while final prevents inheritance and method overriding.

    • Private access modifier restricts access to the class itself, while final access modifier prevents inheritance and method overriding.

    • Private members are only accessible within the same class, while final classes cannot be extended and final methods cannot be overridden.

    • Example: private int num; - num can only be accesse...

  • Answered by AI
  • Q4. What are the steps for establishing a JDBC connection?
  • Ans. 

    Establishing a JDBC connection involves loading the driver, creating a connection, creating a statement, executing queries, and handling exceptions.

    • Load the JDBC driver using Class.forName() method

    • Create a connection using DriverManager.getConnection() method

    • Create a statement using connection.createStatement() method

    • Execute queries using statement.executeQuery() method

    • Handle exceptions using try-catch blocks

  • Answered by AI
  • Q5. What is JSON?
  • Ans. 

    JSON is a lightweight data interchange format used to store and transmit data between a server and a web application.

    • JSON stands for JavaScript Object Notation.

    • It is easy for humans to read and write, and easy for machines to parse and generate.

    • JSON is language-independent and can be used with any programming language.

    • Example: {"name": "John", "age": 30}

    • Example: [{"name": "Alice", "age": 25}, {"name": "Bob", "age": 35}

  • Answered by AI
  • Q6. What do you know about garbage collection in Java?
  • Ans. 

    Garbage collection in Java is the process of automatically managing memory by deallocating objects that are no longer needed.

    • Garbage collection helps in preventing memory leaks by reclaiming memory used by objects that are no longer referenced.

    • Java uses a garbage collector to automatically manage memory, unlike languages like C++ where memory management is manual.

    • Garbage collection in Java can be triggered by calling S...

  • Answered by AI
Round 2 - HR 

Round duration - 30 minutes
Round difficulty - Easy

I wouldn't say it went great but it was fine. I did not think I would clear it as for most of the questions the interviewer seemed disappointed and wanted more out of me.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPACerner Corporation interview preparation:Topics to prepare for the interview - Object Oriented Programming (OOP) Basics, Basics Of Machine Learning, Data Structures and Algorithms, Database Management, Java ProgrammingTime 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 interviewSelected

Skills evaluated in this interview

Interview Questionnaire 

19 Questions

  • Q1. Introduce yourself
  • Ans. 

    I am a software developer with experience in Java and Python.

    • Proficient in Java and Python programming languages

    • Experience in developing web applications using Spring framework

    • Familiarity with database management systems such as MySQL and MongoDB

  • Answered by AI
  • Q2. Tell me more about your achievements
  • Ans. 

    I have achieved success in developing and implementing various software solutions.

    • Developed a web application that increased user engagement by 30%

    • Implemented a new feature that reduced system downtime by 50%

    • Created a mobile app that received 4.5-star rating on app stores

    • Led a team of developers to successfully complete a project within a tight deadline

  • Answered by AI
  • Q3. What sort of projects do you work on ?
  • Ans. 

    I work on a variety of projects ranging from web development to mobile app development.

    • Web development using HTML, CSS, JavaScript, and various frameworks such as React and Angular

    • Mobile app development for iOS and Android using Swift, Kotlin, and React Native

    • Database design and management using SQL and NoSQL databases such as MySQL and MongoDB

    • API development and integration using REST and GraphQL

    • Machine learning proje...

  • Answered by AI
  • Q4. What is the difference between a hardworker and a smartworker?
  • Ans. 

    A hardworker puts in more effort, while a smartworker works efficiently and effectively.

    • A hardworker may spend more time on a task, while a smartworker finds ways to complete it faster.

    • A hardworker may rely on brute force, while a smartworker uses their skills and knowledge to solve problems.

    • A hardworker may struggle with prioritization, while a smartworker knows how to focus on the most important tasks.

    • A hardworker ma...

  • Answered by AI
  • Q5. What makes you say that you are more of a developer than an analyst ?( I was asked for choice )
  • Q6. Why is Zuckerburg in news these days?
  • Ans. 

    Zuckerberg is in news due to Facebook's handling of user data and misinformation.

    • Facebook's role in the 2016 US Presidential election

    • Cambridge Analytica scandal

    • Testimony before US Congress

    • Ongoing debate on social media regulation

  • Answered by AI
  • Q7. Tell me about yourself
  • Ans. 

    I am a software developer with experience in Java and Python.

    • I have a Bachelor's degree in Computer Science.

    • I have worked on various projects involving web development and data analysis.

    • I am proficient in Java and Python programming languages.

    • I am a quick learner and enjoy working in a team environment.

  • Answered by AI
  • Q8. Which is your favourite project (among mentioned in resume) and why?
  • Ans. 

    My favorite project is the e-commerce website I developed for a local business.

    • I enjoyed working on the front-end design and user experience.

    • I implemented a secure payment gateway and order tracking system.

    • The website increased the business's online sales by 50%.

    • I received positive feedback from the client and their customers.

  • Answered by AI
  • Q9. OOPs concepts
  • Q10. Explain inheritance
  • Ans. 

    Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.

    • Inheritance allows code reuse and promotes code organization.

    • The existing class is called the parent or superclass, and the new class is called the child or subclass.

    • The child class inherits all the properties and methods of the parent class and can also add its own unique properties and ...

  • Answered by AI
  • Q11. Difference between finally , finalize and final
  • Ans. 

    finally is a keyword used in try-catch block, finalize is a method in Object class, and final is a keyword used for declaring constants.

    • finally is used to execute a block of code after try-catch block

    • finalize is called by garbage collector before destroying an object

    • final is used to declare a constant variable or to make a class uninheritable

  • Answered by AI
  • Q12. Private vs final keyword in considerance with member functions in an application offered to the user
  • Ans. 

    Private keyword restricts access to member functions within the class while final keyword prevents overriding of functions.

    • Private keyword is used to hide the implementation details of a class from the user.

    • Final keyword is used to prevent the user from overriding a function in a subclass.

    • Using private and final keywords together can ensure that the implementation details of a class are not modified by the user.

  • Answered by AI
  • Q13. Write an interface
  • Ans. 

    An interface defines a set of methods that a class must implement.

    • An interface is declared using the 'interface' keyword.

    • All methods in an interface are public and abstract by default.

    • A class can implement multiple interfaces.

    • Interfaces can also extend other interfaces.

    • Example: public interface MyInterface { void myMethod(); }

  • Answered by AI
  • Q14. Difference between Abstract class and Interface
  • Ans. 

    Abstract class is a class with some implementation while Interface is a contract with no implementation.

    • Abstract class can have constructors while Interface cannot

    • Abstract class can have non-abstract methods while Interface cannot

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

    • Abstract class is used when there is a need for common functionality among related classes while Interface...

  • Answered by AI
  • Q15. Inheritance types in Java
  • Ans. 

    Inheritance types in Java

    • Java supports single and multiple inheritance through classes and interfaces respectively

    • Single inheritance is when a class extends only one parent class

    • Multiple inheritance is when a class implements multiple interfaces

    • Java also supports hierarchical inheritance where multiple classes extend a single parent class

    • Java does not support multiple inheritance through classes to avoid the diamond pr

  • Answered by AI
  • Q16. Order of multiple catch blocks in a single try block in java. Will it compile if the general catch was before the specific one?
  • Ans. 

    Order of catch blocks in a try block in Java

    • Specific catch blocks should come before general catch blocks

    • If general catch block comes before specific catch block, it will result in a compile-time error

    • If multiple catch blocks are present, only the first matching catch block will be executed

  • Answered by AI
  • Q17. What do you know about Garbage collection
  • Ans. 

    Garbage collection is an automatic memory management process that frees up memory occupied by objects that are no longer in use.

    • Garbage collection is used in programming languages like Java, C#, and Python.

    • It helps prevent memory leaks and reduces the risk of crashes due to memory exhaustion.

    • Garbage collection works by identifying objects that are no longer in use and freeing up the memory they occupy.

    • There are differe...

  • Answered by AI
  • Q18. Write code for connecting a java application to the database
  • Ans. 

    Code for connecting a Java application to a database

    • Import the JDBC driver for the specific database

    • Create a connection object using the DriverManager class

    • Create a statement object to execute SQL queries

    • Execute the query and retrieve the results

    • Close the connection and release resources

  • Answered by AI
  • Q19. What is JSON?
  • Ans. 

    JSON stands for JavaScript Object Notation, a lightweight data interchange format.

    • JSON is used to transmit data between a server and a web application, as an alternative to XML.

    • It is easy to read and write for humans and easy to parse and generate for machines.

    • JSON is a text format that is completely language independent but uses conventions that are familiar to programmers of the C family of languages.

    • Example: {"name"

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: The test had 50 questions which were to be answered in 50 minutes. The test is not very difficult if you got basic skills in aptitude, but the most important thing is managing time. The level of difficulty was moderate.
Tips: Do not waste time on verbal questions which have a direct answer ( synonyms and antonyms) which you are not very sure of.
Just try making a smart guess when you have a doubt by elimination or something.
Duration: 50 minutes
Total Questions: 50

Round: HR Interview
Experience: I wouldn't say it went great but it was fine. I did not think I would clear it as for most of the questions the interviewer seemed disappointed and wanted more out of me.
Tips: Keep smiling.
Only put things which you are thorough about, in your resume.
The interviewer too doesn't know everything, so just be confident in whatever you say-the interviewer might get convinced.

Round: Technical Interview
Experience: The interviewer was really cool. He realized that I mostly work on java applications so he chose to ask me stuff related to that.
He didn't want me to know the answer well but just wanted me to approach to it, maybe think more.
He went through my resume back and forth and asked mostly about all my projects and their logic and how could I take them to the next level.
Tips: Be confident.
Its okay not to know any answer, just try giving it a shot in the approach.

Skills: Object Oriented Programming (OOP) Basics, Basics Of Machine Learning, Ability To Analyse, Ability To Think Of Creative Solutions, Ability To Think Beyond Boundaries, Ability To Convince, Database Management, Java Programming
College Name: Amrita School Of Engineering, Coimbatore
Funny Moments: I had mentioned Japanese as languages known in my resume. During the HR interview , I was asked to tell "How are you ?" in Japanese. I knew that the interviewer didn't know any of that language but I was a little scared to just tell anything.
You could try giving a shot in a similar situation :P

Skills evaluated in this interview

Pattern Technologies Interview FAQs

How many rounds are there in Pattern Technologies Software Engineer Level 1 interview?
Pattern Technologies interview process usually has 4 rounds. The most common rounds in the Pattern Technologies interview process are Coding Test, Technical and HR.
What are the top questions asked in Pattern Technologies Software Engineer Level 1 interview?

Some of the top questions asked at the Pattern Technologies Software Engineer Level 1 interview -

  1. What is React ? What is NPM? Why have you used it in your proj...read more
  2. Stack implementation with additional method/function that will always return mi...read more
  3. Explain inheritance, its types and examp...read more

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Pattern Technologies Software Engineer Level 1 Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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