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Hazel Systems Pvt.
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Hazel Systems Pvt. Ltd. Interview Questions and Answers
Hazel Systems Pvt. Ltd. Interview Experiences
4 interviews found
Selected
I appeared for an interview before Apr 2024, where I was asked the following questions.
- Q1. What is CORS and how do you handle it?
- Q2. How do you handle brue-green deployments?
Selected
I appeared for an interview before May 2024, where I was asked the following questions.
- Q1. Explain the purpose of the useEffect hook. Give an example.
- Ans.
The useEffect hook manages side effects in functional components, enabling operations like data fetching and subscriptions.
Side Effects Management: useEffect is used to handle side effects such as data fetching, subscriptions, or manually changing the DOM.
Dependency Array: You can specify dependencies in an array to control when the effect runs, e.g., useEffect(() => { /* effect */ }, [dependency]).
Cleanup Function:...
- Q2. You should be able to explain your past work?
Interview Preparation Tips
Selected
I appeared for an interview before Apr 2024, where I was asked the following questions.
- Q1. Given a JSON API that returns inconsisten data structures, how would you design a parser to handle and validate the response effectively?
- Ans.
Design a robust parser to handle and validate inconsistent JSON API responses effectively.
Define a schema using libraries like Joi or Yup to validate the structure of the JSON response.
Use try-catch blocks to handle parsing errors gracefully.
Implement fallback mechanisms for missing or unexpected fields, e.g., default values.
Log inconsistencies for further analysis and debugging.
Consider using TypeScript for type safet...
- Q2. Explain how you design a backend module for an RPA based system? What tech stack would you use and why?
- Ans.
Designing a backend module for an RPA system involves defining architecture, choosing tech stack, and ensuring scalability and security.
Define the architecture: Use microservices for modularity and scalability.
Choose a tech stack: Node.js for server-side logic, PostgreSQL for database, and RabbitMQ for message queuing.
Implement RESTful APIs for communication between RPA bots and backend services.
Ensure security: Use OA...
Interview Preparation Tips
Selected
I appeared for an interview before Apr 2024, where I was asked the following questions.
- Q1. Should be aware of the tech stack you are mentioning in the resume?
- Ans.
Yes, being aware of your tech stack is crucial for credibility and effective communication in interviews.
Demonstrates honesty: Misrepresenting skills can lead to trust issues.
Facilitates discussion: Knowing your tech stack allows for deeper conversations about projects.
Prepares for technical questions: Interviewers may ask about specific technologies you've listed.
Shows commitment: Familiarity with your tech stack indi...
- Q2. You should know about the cloud architecture you worked on?
- Ans.
I worked on a cloud architecture that utilized microservices, containerization, and serverless computing for scalability and efficiency.
Microservices architecture: Decomposed applications into smaller, independent services for better scalability and maintainability.
Containerization: Used Docker to package applications, ensuring consistency across development and production environments.
Serverless computing: Leveraged A...
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I applied via Other and was interviewed in Oct 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Basic C language question like what is pointer ,Array,structure,Call by reference, Difference between union and structure. Some programming question are prime number,factorial,fabonacci series,strings etc
Interview Preparation Tips
Selected
I applied via Referral and was interviewed in Jul 2023. There were 2 interview rounds.
(1 Question)
- Q1. It was 1 hr technical round for iOS Developer role. Questions related to project I am working, iOS Development questions like (process of publishing app, push notifications and its uses, Delegates how to u...
(1 Question)
- Q1. It was 30 min managerial round with one of the technical manager of MRI. Asked technical questions based on my projects. And then tricky questions like why you want to join, why we should hire you, where d...
Interview Preparation Tips
Showcase your skills as much as you can in your resume.
You should have a very good knowledge about the project that your are working on in your current organisation.
Selected
I applied via Youtube Video and was interviewed before Feb 2023. There were 3 interview rounds.
There were many questions to be solved within an hour, but the expectation was to solve maximum you can.
1 DSA based and 2 SQL coding questions with 5/6 DSA based MCQs
(1 Question)
- Q1. Write a python code to find missing element ranging from 0 to 100. Write a SQL query to fetch data from multiple tables. Questions based on types on Joins in SQL, Stored Procedures, Views and importance o...
- Ans.
Python code to find missing element and SQL query for fetching data from multiple tables.
Python code to find missing element: Use set difference to find missing elements in range 0 to 100.
SQL query for fetching data from multiple tables: Use JOINs like INNER JOIN, LEFT JOIN, or CROSS JOIN to combine data from multiple tables.
Types of Joins in SQL: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN.
Stored Procedures: Precompi...
Interview Preparation Tips
Skills evaluated in this interview
I applied via Referral and was interviewed in Dec 2021. There were 5 interview rounds.
Easy, simple aptitude questions. 50 questions had to be solved in 15 minutes.
Hackerrank test. MCQs on DSA. 1 coding question and two SQL queries.
(1 Question)
- Q1. Technical + Managerial round of around 1 hour. Questions were asked mostly on resume and projects done.
(1 Question)
- Q1. Questions on basics of data structures and database.
Interview Preparation Tips
I applied via Campus Placement
Basic DSA questions related to string and hashmap
(2 Questions)
- Q1. Return true if the sentence use all the vowels else false
- Ans.
Check if a sentence contains all vowels (a, e, i, o, u) at least once.
Convert the sentence to lowercase to ensure uniformity.
Use a set to track the vowels found in the sentence.
Iterate through the sentence and add vowels to the set.
At the end, check if the set contains all five vowels: a, e, i, o, u.
Example: 'The quick brown fox jumps over a lazy dog' returns true.
- Q2. When to use BFS, DFS and basic DSA questions?
Software Engineer Interview Questions & Answers
Surya Software Systems
Anonymous
posted on 17 Feb 2023
I applied via Campus Placement and was interviewed in Aug 2022. There were 3 interview rounds.
It had 2 programming questions and 30 aptitude questions
it
(2 Questions)
- Q1. Introduce yourself, educational background
- Q2. What languages are you familiar with
Interview Preparation Tips
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Desktop Support Engineer
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|  ₹0.8 L/yr - ₹2.2 L/yr |
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