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RedDoorz Software Developer Interview Questions and Answers
RedDoorz Software Developer Interview Experiences
1 interview found
Anonymous
(2 Questions)
- Q1. What is the concept of abstraction in programming?
- Ans.
Abstraction in programming is the concept of hiding complex implementation details and showing only the necessary features to the user.
Abstraction allows developers to focus on the essential aspects of an object or system without getting bogged down in unnecessary details.
It helps in simplifying the programming model and makes code more maintainable and reusable.
For example, in object-oriented programming, classes and ...
- Q2. What is the method to find the nth record in a dataset?
- Ans.
Use indexing or filtering to find the nth record in a dataset.
Use indexing to directly access the nth record in an array or list.
If using a database, use SQL query with LIMIT and OFFSET clauses to retrieve the nth record.
For example, in Python: dataset[n-1] to access the nth record in a list.
Interview questions from similar companies
The exam duration is one and a half hours.
The total exam time is one and a half hours.
It encompasses all topics related to full stack development.
(2 Questions)
- Q1. Asks questions on SQL
- Q2. Asks question in typical topics
(1 Question)
- Q1. Where do you see yourself in two years?
- Ans.
In two years, I see myself as a senior software developer leading a team on innovative projects.
Advancing to a senior software developer role
Leading a team on new and innovative projects
Continuing to enhance my technical skills through ongoing learning and training
Chirag Varshney
(4 Questions)
- Q1. Explain Deadlock?
- Q2. Explain Red Black Tree?
- Q3. Find local minima in a 1-D array?
- Q4. Find local minima in 2-D array?
(2 Questions)
- Q1. LRU Cache - how to tackle
- Ans.
LRU Cache is a data structure that maintains a list of items in order of most recently used to least recently used.
Implement using a doubly linked list and a hashmap for efficient operations
When an item is accessed, move it to the front of the list
When the cache is full, remove the least recently used item from the end of the list
- Q2. LRU Cache implementation based on a real time system. How would the main work which will be called etc etc
I applied via campus placement at Netaji Subhas Institute of Technology (NSIT) and was interviewed in Jul 2024. There were 4 interview rounds.
It was a coding round where i need to solve 3 DSA Questions in 1.5 hour
(2 Questions)
- Q1. This is Technical round where i was asked to implement the Two Question of Dsa one is bases on greedy and another is dp , another one is leetcode hard (finding maxaimal area of rectangle in matrix of 1 and...
- Q2. Greedy Q was direct i don't remember clearly. I was selected for the 2nd round
(1 Question)
- Q1. It was also a technical round but bases on LLD problem statement. I was given a problem statement to design a society security system and the they need psudo code for complete implementation using correct ...
(1 Question)
- Q1. I was not selected for 4th round but heard that there were Q on cs fundamentals.
(2 Questions)
- Q1. The question was about Nodejs
- Q2. The question was to build a linked list in Nodejs
(2 Questions)
- Q1. The first question was related to DSA
- Q2. The question was related to SQL
(2 Questions)
- Q1. It was lld question to design a cab booking system.
- Q2. Tell me about yourself
I applied via Referral and was interviewed in Aug 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Binary search for closest element
- Ans.
Binary search to find the closest element in a sorted array
Implement binary search to find the target element in the array
Keep track of the closest element found so far while searching
Update the closest element if a closer one is found during the search
- Q2. String manipulation
(1 Question)
- Q1. Low level Design for an online e-commerce website
- Ans.
Low level design for an online e-commerce website involves designing the architecture and components of the website.
Identify the main components such as user interface, database, payment gateway, product catalog, etc.
Design the database schema to store user information, product details, orders, etc.
Implement user authentication and authorization mechanisms for secure access.
Integrate payment gateway for processing tran...
Interview Preparation Tips
- DSA
- Design patterns
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
(3 Questions)
- Q1. DSA question on dynamic programming dp
- Q2. Related to java oops and java 8.
- Q3. System design on Netflix
Aniket Dhamal
Selected
I applied via Newspaper Ad and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. How was your previous organization
- Ans.
My previous organization was a fast-paced tech startup focused on developing cutting-edge software solutions.
Highly collaborative work environment
Emphasis on innovation and creativity
Agile development methodologies were followed
Regular team meetings and code reviews
Opportunities for professional growth and learning
- Q2. Please create timer using react
- Ans.
Create a timer using React
Use useState hook to store the timer value
Use useEffect hook to update the timer every second
Display the timer value in the component's render method
Skills evaluated in this interview
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Senior Software Engineer
14
salaries
|  ₹9 L/yr - ₹25.9 L/yr |
|
Associate Software Engineer
11
salaries
| ₹5 L/yr - ₹6 L/yr |
|
QA Engineer
10
salaries
| ₹6.5 L/yr - ₹14.6 L/yr |
|
Senior Software Developer
10
salaries
| ₹12 L/yr - ₹22 L/yr |
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Software Developer
8
salaries
| ₹6.5 L/yr - ₹18 L/yr |
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