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Wells Fargo
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I applied via Referral and was interviewed in Jul 2024. There were 2 interview rounds.
I applied via Company Website and was interviewed in Oct 2024. There was 1 interview round.
I applied via Recruitment Consulltant and was interviewed in Aug 2023. There were 5 interview rounds.
Designing a Problem - Health Monitoring System
Wells Fargo interview questions for designations
I applied via Referral and was interviewed before Aug 2023. There was 1 interview round.
Developed a custom testing framework for automated regression testing of web applications
Designed framework architecture to support modular and reusable test scripts
Implemented custom reporting functionality to track test results and identify failures
Integrated with CI/CD pipeline for continuous testing and deployment
Used technologies like Selenium WebDriver, TestNG, and Java for automation
I applied via Job Fair and was interviewed before Feb 2022. There were 3 interview rounds.
Angular is a popular JavaScript framework for building web applications.
Angular provides a powerful template system for building UI components.
It supports two-way data binding, making it easy to keep the UI in sync with the data model.
Angular has a built-in dependency injection system for managing application components.
It includes a powerful router for managing application navigation.
Angular also provides a comprehens...
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I applied via Naukri.com and was interviewed before Apr 2020. There were 3 interview rounds.
SCD Type 2 is a technique used to track historical changes in data over time in a data warehouse.
SCD Type 2 maintains a separate row for each change in data, with a start and end date.
It requires a surrogate key to uniquely identify each row.
Informatica provides a built-in SCD Type 2 transformation to implement this technique.
Example: tracking changes in customer addresses over time.
I applied via Campus Placement and was interviewed before Nov 2021. There were 3 interview rounds.
Moderate level aptitude with basics
Moderate level data structure questions
Find an odd occurring number among even occurring numbers.
Use XOR operation to cancel out even occurring numbers and get the odd occurring number.
Iterate through the array and XOR each element with the result variable.
The final result will be the odd occurring number.
Print the spiral order of a binary tree and matrix.
For binary tree, use level order traversal and alternate direction for each level.
For matrix, use four pointers to traverse in spiral order.
Example for binary tree: 1 -> 2 -> 3 -> 4 -> 5 -> 6 -> 7 -> 8 -> 9
Example for matrix: 1 2 3 4 -> 8 7 6 5 -> 9 10 11 12 -> 16 15 14 13
Finding pairs in an array with a given sum.
Iterate through the array and for each element, check if the difference between the given sum and the element exists in the array.
Use a hash table to store the elements of the array and their indices for faster lookup.
If there are multiple pairs with the same sum, return any one of them.
If no pair is found, return null or an empty array.
Find total number of k element with given avg in an array in minimum time complexity.
Use sliding window technique to traverse the array in O(n) time complexity.
Maintain a sum variable to keep track of the sum of elements in the window.
If the sum of elements in the window is equal to k times the given avg, increment the count.
Move the window by subtracting the first element and adding the next element in the array.
Printing non-boundary elements of a binary tree
Traverse the tree in any order (preorder, inorder, postorder)
Check if the current node is not a boundary node (not the first or last node in its level)
If it is not a boundary node, print its value
Recursively traverse its left and right subtrees
based on 7 interviews
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