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Ecosmob Technologies Junior Software Developer Interview Questions and Answers
5 Interview questions
Yes, I have deployed multiple applications in AWS.
Deployed a web application using AWS Elastic Beanstalk
Utilized AWS Lambda for serverless application deployment
Managed databases using Amazon RDS
Implemented CI/CD pipelines with AWS CodePipeline
Event loop is a mechanism that allows for asynchronous programming by handling and executing events in a loop.
Event loop is a part of the runtime environment in JavaScript.
It manages the execution of multiple tasks by putting them in a queue and processing them one by one.
Event loop allows for non-blocking I/O operations, making the code more efficient and responsive.
Example: setTimeout() function in JavaScript us...
Lookup in MongoDB is used to perform a join between two collections.
Lookup is used to combine data from multiple collections in a single query.
It is similar to a SQL join operation.
Lookup requires a local field in the input collection and a foreign field in the from collection.
Example: db.orders.aggregate([{ $lookup: { from: 'products', localField: 'productId', foreignField: '_id', as: 'productDetails' } }])
Docker is a platform that allows you to package, distribute, and run applications in isolated containers.
Docker containers are lightweight, portable, and self-sufficient environments that include everything needed to run an application.
Docker uses containerization technology to create and manage containers, which can be easily deployed across different environments.
Docker simplifies the process of building, shippi...
JWT tokens are used for authentication and authorization in ReactJS applications.
JWT stands for JSON Web Token
Tokens are generated on the server and sent to the client
Tokens contain encoded information about the user and their permissions
Tokens are stored in local storage or cookies
Tokens are sent with each request to the server for authentication and authorization
Ecosmob Technologies Junior Software Developer Interview Experiences
2 interviews found
Renuka Gejji
I applied via Naukri.com and was interviewed in Mar 2022. There were 3 interview rounds.
(3 Questions)
- Q1. Jwt tokens in reactjs
- Ans.
JWT tokens are used for authentication and authorization in ReactJS applications.
JWT stands for JSON Web Token
Tokens are generated on the server and sent to the client
Tokens contain encoded information about the user and their permissions
Tokens are stored in local storage or cookies
Tokens are sent with each request to the server for authentication and authorization
- Q2. Usecallback and usememo
- Q3. What is redux in reactjs
(3 Questions)
- Q1. Tell me about yourself.
- Q2. Explain about your project
- Q3. Explain Family background
Interview Preparation Tips
- Javascript
- Redux
- Reactjs
Skills evaluated in this interview
(4 Questions)
- Q1. What is lookup in mong
- Ans.
Lookup in MongoDB is used to perform a join between two collections.
Lookup is used to combine data from multiple collections in a single query.
It is similar to a SQL join operation.
Lookup requires a local field in the input collection and a foreign field in the from collection.
Example: db.orders.aggregate([{ $lookup: { from: 'products', localField: 'productId', foreignField: '_id', as: 'productDetails' } }])
- Q2. What is docker and how it is used
- Ans.
Docker is a platform that allows you to package, distribute, and run applications in isolated containers.
Docker containers are lightweight, portable, and self-sufficient environments that include everything needed to run an application.
Docker uses containerization technology to create and manage containers, which can be easily deployed across different environments.
Docker simplifies the process of building, shipping, a...
- Q3. Deployed any aplication in aws?
- Ans.
Yes, I have deployed multiple applications in AWS.
Deployed a web application using AWS Elastic Beanstalk
Utilized AWS Lambda for serverless application deployment
Managed databases using Amazon RDS
Implemented CI/CD pipelines with AWS CodePipeline
- Q4. What is event loop
- Ans.
Event loop is a mechanism that allows for asynchronous programming by handling and executing events in a loop.
Event loop is a part of the runtime environment in JavaScript.
It manages the execution of multiple tasks by putting them in a queue and processing them one by one.
Event loop allows for non-blocking I/O operations, making the code more efficient and responsive.
Example: setTimeout() function in JavaScript uses th...
Interview Preparation Tips
docker aws and previous project .
didnt even respond for the review
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
Software Engineer Interview Questions & Answers
Apmosys Technologies
Anonymous
posted on 13 Jan 2021
I applied via Referral and was interviewed before Jan 2020. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Which technology are you using, is this latest?
- Ans.
We are using a variety of technologies, including some of the latest ones.
We are using React for our front-end development.
We are also using Node.js for our back-end development.
We are using Docker for containerization.
We are using Kubernetes for orchestration.
We are using AWS for cloud hosting.
We are constantly evaluating new technologies to see if they can improve our development process.
- Q2. If not then which technology can we use instead of this?
- Ans.
It depends on the specific requirements and constraints of the project.
Consider the project's goals and objectives
Evaluate the available technologies and their capabilities
Assess the project's budget and timeline
Consult with stakeholders and experts in the field
Examples: React vs Angular, MySQL vs MongoDB, Java vs Python
Interview Preparation Tips
Listen carefully and speak fluently.
Randeep Singh
I applied via Company Website and was interviewed before Dec 2019. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Regarding OOPS, wordpress and laravel.
Interview Preparation Tips
Software Engineer Interview Questions & Answers
BigStep Technologies
Mayank Gupta
posted on 14 Sep 2021
I applied via Campus Placement and was interviewed in Mar 2021. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. What are Joins in SQL? Briefly explain difference between all types of joins
- Ans.
Joins in SQL are used to combine data from two or more tables based on a related column.
Inner join returns only the matching rows from both tables
Left join returns all rows from the left table and matching rows from the right table
Right join returns all rows from the right table and matching rows from the left table
Full outer join returns all rows from both tables, with NULL values for non-matching rows
Cross join retur...
- Q2. Find a sub array with a given sum
- Ans.
Given an array of integers, find a contiguous subarray with a given sum.
Use a sliding window approach to iterate through the array and keep track of the current sum.
If the current sum exceeds the given sum, move the window's left endpoint forward.
If the current sum is less than the given sum, move the window's right endpoint forward.
If the current sum equals the given sum, return the subarray.
Time complexity: O(n), Spa...
- Q3. Questions related to Projects mentioned in CV
Interview Preparation Tips
Skills evaluated in this interview
Software Engineer Interview Questions & Answers
BigStep Technologies
Anonymous
posted on 25 Aug 2021
Interview Questionnaire
1 Question
- Q1. Questions regards node js and java script concept, event loop, why node is single threaded, how event loop works in node js, database queries and previous work experience.
Interview Preparation Tips
Advice:
Answer question with confidence.
Feel comfortable with interviewer.
Software Developer Interview Questions & Answers
Brihaspathi Technologies
Anonymous
posted on 24 May 2025
Selected
I appeared for an interview before May 2024, where I was asked the following questions.
- Q1. Can you provide a self-introduction?
- Ans.
I am a passionate software developer with a strong background in full-stack development and a love for problem-solving.
Education: Bachelor's degree in Computer Science from XYZ University.
Experience: 3 years of experience in developing web applications using React and Node.js.
Projects: Developed an e-commerce platform that increased sales by 30% within the first quarter.
Skills: Proficient in JavaScript, Python, and SQL...
- Q2. What are the basics of .NET?
- Ans.
.NET is a software development framework by Microsoft for building applications across various platforms using multiple languages.
.NET Framework: The original version for Windows applications, supporting languages like C# and VB.NET.
.NET Core: A cross-platform, open-source version of .NET for building applications on Windows, macOS, and Linux.
.NET 5 and later: Unifies .NET Framework and .NET Core into a single platform...
Software Developer Interview Questions & Answers
Brihaspathi Technologies
sakshi
posted on 24 Jun 2025
- Q1. Do you have any previous experience?
- Ans.
I have over three years of experience in software development, focusing on web applications and backend systems.
Developed a full-stack web application using React and Node.js for a local business, improving their online sales by 30%.
Worked on a team project to create a RESTful API for a mobile application, enhancing data retrieval speed by optimizing database queries.
Participated in code reviews and collaborated with c...
- Q2. What was the reason why you left the before company?
- Ans.
I left my previous company to seek new challenges and opportunities for growth in a more innovative environment.
Desire for professional growth: I wanted to expand my skill set and take on more complex projects.
Company culture: I was looking for a workplace that fosters collaboration and creativity.
Career advancement: I aimed for a role with more responsibilities and leadership opportunities.
Work-life balance: I sought ...
Koushik
Selected
I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.
Aptitude questions with some basic coding questions
They have given 3 coding questions and some pseudo codings
(2 Questions)
- Q1. Tell about your self
- Q2. Some coding questions
Interview Preparation Tips
(1 Question)
- Q1. Project discussion
Ecosmob Technologies Interview FAQs
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Ecosmob Technologies Interviews By Designations
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Overall Interview Experience Rating
based on 1 interview experience
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Ecosmob Technologies Junior Software Developer Reviews and Ratings
based on 2 reviews
Rating in categories
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Software Developer
29
salaries
|  ₹3.8 L/yr - ₹9.6 L/yr |
|
Software Engineer
28
salaries
| ₹2 L/yr - ₹10.1 L/yr |
|
Team Lead
16
salaries
| ₹10.1 L/yr - ₹16.5 L/yr |
|
Senior Software Engineer
14
salaries
| ₹7.7 L/yr - ₹13 L/yr |
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Support Engineer
11
salaries
| ₹5 L/yr - ₹10.6 L/yr |
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