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Treez Software Engineer Interview Questions, Process, and Tips
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1 interview found
Anonymous
Selected
I applied via Approached by Company and was interviewed before May 2023. There was 1 interview round.
(10 Questions)
- Q1. Explain Promise
- Ans.
Promise is an object representing the eventual completion or failure of an asynchronous operation.
Promises are used to handle asynchronous operations in JavaScript.
A Promise can be in one of three states: pending, fulfilled, or rejected.
Promises can be chained using .then() method to handle success and failure.
Example: new Promise((resolve, reject) => { ... }).then(result => { ... }).catch(error => { ... });
- Q2. Explain callback and async await
- Ans.
Callback is a function passed as an argument to another function to be executed later. Async await is a syntax for writing asynchronous code in a synchronous manner.
Callback is used in event handling, asynchronous programming, and more.
Async await is a modern way to write asynchronous code in a synchronous style.
Example: Callback - setTimeout function in JavaScript.
Example: Async await - fetching data from an API in Ja
- Q3. What is hoisting
- Ans.
Hoisting is a JavaScript behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase.
Variable and function declarations are hoisted to the top of their scope.
Only declarations are hoisted, not initializations.
Function declarations take precedence over variable declarations.
Example: console.log(x); var x = 5; // Output: undefined
- Q4. What is event loop
- Ans.
Event loop is a mechanism in programming that allows for asynchronous execution of code.
Event loop is commonly used in JavaScript to handle asynchronous operations.
It allows for non-blocking I/O operations by continuously checking the event queue.
Event loop ensures that the program does not get stuck waiting for a single operation to complete.
- Q5. Explain Event Emitter in nodejs
- Ans.
EventEmitter is a class in Node.js that allows multiple functions to be attached to an event and triggered when the event is emitted.
EventEmitter is a core module in Node.js that allows communication between objects in a loosely coupled way.
It is used for handling events in Node.js applications.
Listeners can be attached to EventEmitter instances using the 'on' method and events can be emitted using the 'emit' method.
Ex...
- Q6. How Request and Response object is created in nodejs
- Ans.
Request and Response objects are created in Node.js using the 'http' module.
Require the 'http' module in your code
Use the 'http.createServer()' method to create a server
Access the request and response objects in the callback function
- Q7. Difference between let , var , const
- Ans.
let, var, and const are all used to declare variables in JavaScript, but they have different scopes and behaviors.
let: block-scoped variable, can be reassigned
var: function-scoped variable, can be reassigned
const: block-scoped variable, cannot be reassigned, but its properties can be modified
- Q8. Can you declare a variable with same name using var keyword
- Ans.
No, you cannot declare a variable with the same name using var keyword.
Variables declared with var keyword can only be declared once within the same scope
Attempting to declare a variable with the same name using var will result in a syntax error
- Q9. What is middleware
- Ans.
Middleware is software that acts as a bridge between different applications or components, allowing them to communicate and work together.
Middleware facilitates communication between different software components
It can handle tasks such as data conversion, security, and logging
Examples include message brokers like RabbitMQ, web servers like Apache Tomcat, and API gateways like Kong
- Q10. How to debug memory leak
- Ans.
Debugging memory leaks involves identifying the source of the leak and fixing it to free up memory.
Use memory profiling tools like Valgrind or Instruments to detect memory leaks
Check for unreleased memory allocations in the code
Look for circular references or retain cycles in object-oriented programming languages
Use tools like LeakSanitizer in C/C++ programs to detect memory leaks
Review code for potential memory leaks,
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via Company Website and was interviewed in Nov 2024. There were 3 interview rounds.
Standard quantitative questions accompanied by logical reasoning and related topics.
(4 Questions)
- Q1. Asked about my projects.
- Q2. What are the basic Object-Oriented Programming (OOP) concepts, including polymorphism and inheritance?
- Ans.
OOP concepts include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Allows a class to inherit properties and behavior from another class.
Polymorphism: Objects of different classes can be treated as objects of a common superclass.
Abstraction: Hides complex implementation details and only shows the necessa
- Q3. Can you explain React, how it functions, and the related concepts?
- Ans.
React is a JavaScript library for building user interfaces.
React allows developers to create reusable UI components.
It uses a virtual DOM for efficient rendering.
React uses a declarative approach to define how the UI should look based on the application state.
It supports server-side rendering for improved performance.
React can be used with other libraries like Redux for state management.
- Q4. About my final year project and how would you improve it?
(2 Questions)
- Q1. Can you introduce yourself and provide some information about your family?
- Ans.
I am a software engineer with a passion for coding and problem-solving. I come from a close-knit family with supportive parents and siblings.
Software engineer with coding and problem-solving skills
Close-knit family with supportive parents and siblings
- Q2. What are your strengths and weaknesses, and how are you addressing your weaknesses?
- Ans.
My strengths include problem-solving and teamwork, while my weaknesses are time management and public speaking. I am addressing my weaknesses by taking time management courses and practicing public speaking.
Strengths: problem-solving, teamwork
Weaknesses: time management, public speaking
Addressing weaknesses: taking time management courses, practicing public speaking
Interview Preparation Tips
Sai Kowshik Nandigam
(5 Questions)
- Q1. What's return statement in java
- Q2. What are get set methods
- Q3. What is the difference between an interface and an abstract class in Java?
- Q4. How do you implement a stack in Java using an array?
- Q5. What is the difference between a HashMap and a TreeMap in Java?
I applied via campus placement at SRM Institute of Science and Technology, NCR Campus, Ghaziabad and was interviewed in Nov 2024. There was 1 interview round.
(4 Questions)
- Q1. Can you tell me about yourself?
- Ans.
I am a passionate software engineer with 5 years of experience in developing web applications using various technologies.
5 years of experience in software development
Proficient in developing web applications
Skilled in using various technologies
Passionate about software engineering
- Q2. Can you explain one of the projects you completed during the academic year?
- Ans.
Developed a web-based student management system for tracking attendance and grades.
Used HTML, CSS, and JavaScript for front-end development.
Implemented backend functionality using PHP and MySQL database.
Incorporated user authentication and authorization features for secure access.
Tested the system thoroughly to ensure functionality and user-friendliness.
- Q3. What were some of the fundamental concepts of Artificial Intelligence that the interviewer inquired about during your interview as a Computer Science and Engineering - Artificial Intelligence and Machine L...
- Q4. What were your Achievements in the graduation years
- Ans.
Graduated with honors, completed multiple internships, and won coding competitions
Graduated with honors in Computer Science
Completed internships at XYZ Company and ABC Corporation
Won first place in coding competition at university hackathon
Interview Preparation Tips
Nilima Patole
It was good . 3 question
It was hard, 5 questions
(4 Questions)
- Q1. Face to Face interview .
- Q2. Java basic question
- Q3. Java question directly start with hard coding question
- Q4. Not asking self introduction or anything related past company
(1 Question)
- Q1. NA i am not selected
Selected
I applied via Approached by Company and was interviewed in Oct 2024. There was 1 interview round.
(3 Questions)
- Q1. 1) OOPS in java, and told to explain abstraction, encapsulation, inheritance with practical code 2) Exception handling(globally), Authentication and authorization 3) SOLID principles and factory design pat...
- Ans.
Interview questions for Software Engineer position covering OOPS concepts, exception handling, SOLID principles, Java 8 features, and Streams.
Abstraction in OOPS: Hiding implementation details. Example: Abstract class Shape with method draw().
Encapsulation in OOPS: Bundling data and methods that operate on the data. Example: Class Employee with private fields and public getters/setters.
Inheritance in OOPS: Reusing code...
- Q2. 1) Advantage of springboot over spring 2) Tell me all the anotations you know in spring 3) What are CRUD operations, write controller layer and use validating annotations like @NotNull, @valid etc. how to ...
- Ans.
The interview questions cover various topics related to Spring framework, REST vs SOAP, JPA repository, Feign client, circuit breaker, and Spring Security.
Spring Boot provides a simpler and faster way to set up and run Spring applications compared to traditional Spring.
Common annotations in Spring include @Controller, @Service, @Repository, @Autowired, @Component, @RequestMapping, @GetMapping, @PostMapping, @PutMapping...
- Q3. 1) ACID properties 2) DBMS commands 3) inner queries 4) Joins 5) S3 bucket congif and how to handle file and upload and retrieve in s3 6) Ci/Cd basic flow and docker explaination
Interview Preparation Tips
Skills evaluated in this interview
(2 Questions)
- Q1. Asked about technical expertise and topic related question
- Q2. Notice period and salary discussion
(2 Questions)
- Q1. Technical in depth
- Q2. Salary discussion
(1 Question)
- Q1. Notice period and salary discussion
Jahnavi R
I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.
A wide range of questions were asked including concepts like logical reasoning, CN, DBMS, SQL, OS, Data structures followed by very basic coding questions.
(4 Questions)
- Q1. Introduce yourself with your academic details
- Q2. Elaborate your projects
- Q3. What is SDLC and elaborate it?
- Ans.
SDLC stands for Software Development Life Cycle, which is a process used by software development teams to design, develop, and test high-quality software.
SDLC is a systematic process for building software applications.
It consists of several phases such as planning, analysis, design, implementation, testing, and maintenance.
Each phase has its own set of activities and deliverables.
Examples of SDLC models include Waterfa...
- Q4. Some scenario and logic based questions along with technical were asked
(3 Questions)
- Q1. What do you know about LTIMindtree?
- Ans.
LTIMindtree is a global technology consulting and services company specializing in digital transformation and IT services.
LTIMindtree was formed through the merger of LTI (Larsen & Toubro Infotech) and Mindtree in 2019.
It offers services in areas such as cloud computing, data analytics, cybersecurity, and artificial intelligence.
LTIMindtree serves clients in various industries including banking, healthcare, retail, and...
- Q2. Why should we take you?
- Q3. Where do you see yourself in next 5-10 years?
Interview Preparation Tips
Skills evaluated in this interview
RISHIK REDDY.P
I applied via Campus Placement
(3 Questions)
- Q1. Can you tell me about yourself?
- Ans.
I am a passionate software engineer with a strong background in computer science and experience in developing innovative solutions.
Completed a Bachelor's degree in Computer Science from XYZ University
Proficient in programming languages such as Java, Python, and C++
Worked on projects involving web development, database management, and machine learning
Strong problem-solving skills and ability to work in a team environmen
- Q2. What was your role and contributions in your projects?
- Ans.
I was responsible for designing and implementing new features, fixing bugs, and optimizing performance in various projects.
Designed and implemented new features based on client requirements
Fixed bugs reported by QA team or end users
Optimized performance by refactoring code or improving algorithms
Collaborated with team members to ensure project deadlines were met
- Q3. Are you willing to relocate?
- Ans.
Yes, I am open to relocating for the right opportunity.
I am open to relocating for the right job opportunity
I am flexible and willing to move for the right position
I have relocated for previous jobs and am comfortable with the process
Selected
I applied via campus placement at Amity University and was interviewed in Dec 2024. There were 2 interview rounds.
There will be aptitude questions related to surface area, time and distance, as well as profit and loss.
There will be questions related to arrays, linked lists, stacks, queues, and binary search.
Interview Preparation Tips
- Data Structures
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