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I applied via Naukri.com and was interviewed in Oct 2023. There were 2 interview rounds.
ETL pipeline on cloud involves extracting data from various sources, transforming it, and loading it into a cloud-based data warehouse.
Use cloud-based ETL tools like AWS Glue, Google Cloud Dataflow, or Azure Data Factory to extract, transform, and load data.
Design the pipeline to handle large volumes of data efficiently and securely.
Utilize serverless computing and auto-scaling capabilities of cloud platforms to optimi...
Data modelling techniques involve creating a visual representation of data relationships and structures.
Identifying entities and their relationships
Creating entity-relationship diagrams
Normalizing data to reduce redundancy
Using tools like ERwin, Visio, or Lucidchart
Implementing data models in databases
Data Warehouse implementation involves designing, building, and maintaining a centralized repository for storing and analyzing data.
Designing the data warehouse schema to meet business requirements
Extracting, transforming, and loading data from various sources into the warehouse
Implementing data quality processes to ensure accuracy and consistency
Creating data models and reports for analysis and decision-making
Optimizi...
I applied via Campus Placement and was interviewed in Sep 2022. There were 3 interview rounds.
2 questions on hackerrank, easy to medium
Top trending discussions
Implement LRU cache
LRU stands for Least Recently Used
It is a cache eviction policy that removes the least recently used item
It can be implemented using a doubly linked list and a hash map
Newly accessed items are moved to the front of the list
When the cache is full, the item at the end of the list is removed
Virtual memory is a memory management technique that allows a computer to use more memory than it physically has.
Virtual memory uses a combination of RAM and hard disk space to store data.
It allows programs to use more memory than is physically available.
If a program tries to access memory that is not currently in RAM, it will be swapped in from the hard disk.
Even if we had infinite RAM, virtual memory would still be n...
Find maximum length of subarray where max <= 2*min.
Iterate through array and keep track of max and min values.
Update max length when condition is met.
Time complexity: O(n)
I was interviewed before Mar 2021.
Round duration - 60 minutes
Round difficulty - Medium
Technical round with questions on DSA and OS.
Design and implement a data structure for a Least Recently Used (LRU) cache that supports the following operations:
get(key)
- Retrieve the value associated with the...Design and implement a Least Recently Used (LRU) cache data structure that supports get and put operations with a specified capacity.
Implement a doubly linked list to keep track of the order of keys based on their usage.
Use a hashmap to store key-value pairs for quick access and updates.
When a key is accessed or updated, move it to the front of the linked list to mark it as the most recently used.
When the cache reaches...
Given an array of non-negative integers and an integer K representing the length of a subarray, your task is to determine the maximum elements for each subarray of size ...
Find the maximum elements for each subarray of size K in a given array.
Iterate through the array and maintain a deque to store the indices of elements in decreasing order.
Pop elements from the deque that are out of the current window.
Keep track of the maximum element in each subarray of size K.
Return the maximum elements for each subarray.
Virtual memory is a memory management technique that allows a computer to compensate for physical memory shortages by temporarily transferring data from RAM to disk storage.
Virtual memory allows programs to use more memory than is physically available on the system.
It helps in multitasking by allowing multiple programs to run simultaneously without running out of memory.
Virtual memory uses a combination of RAM and disk...
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.
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.
I have a strong background in software engineering and a passion for innovation, making me a valuable asset to HSBC.
I have a proven track record of successfully delivering high-quality software solutions in previous roles.
I am highly skilled in various programming languages and technologies, including Java, Python, and SQL.
I have experience working in agile development environments, allowing me to adapt quickly to chan...
I applied via Naukri.com and was interviewed before Mar 2022. There were 2 interview rounds.
I applied via Recruitment Consulltant and was interviewed in Nov 2022. There were 4 interview rounds.
Algorithms and data structures questions similar to leetcode
I applied via Referral and was interviewed before Jun 2022. There were 3 interview rounds.
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HSBC Group
JPMorgan Chase & Co.
Barclays Global Service Centre
Standard Chartered