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I applied via Recruitment Consulltant and was interviewed before Apr 2023. There were 3 interview rounds.
I applied via Referral and was interviewed in Jun 2022. There were 2 interview rounds.
posted on 28 Nov 2024
I applied via campus placement at Reva Institute of Science & Management, Bangalore and was interviewed in Oct 2024. There were 3 interview rounds.
First round basic aptitude questions like profit loss,work time etc
I am a software engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.
5 years of experience in software development
Proficient in Java, Spring, and Angular
Strong problem-solving skills
Experience in developing web applications
Good team player
Reverse a number by converting it to a string and then reversing the string
Convert the number to a string
Reverse the string
Convert the reversed string back to a number
Design an ad-click aggregation service for tracking and analyzing ad clicks.
Use a distributed system to handle high volume of ad click data
Implement real-time processing for immediate insights on ad performance
Utilize a database to store aggregated ad click data for reporting and analysis
I applied via Referral and was interviewed in Mar 2024. There were 3 interview rounds.
3 sum problem involves finding 3 numbers in an array that add up to a target sum. Number of operations to make 2 strings same involves finding the minimum number of operations (insert, delete, replace) needed to transform one string into another.
For 3 sum problem, use a hashmap to store complements of each number and check if the complement exists in the hashmap while iterating through the array.
For number of operation...
I have experience working on projects using high-level design (HLD) practices.
Utilized UML diagrams to create HLD for projects
Followed industry best practices for software design
Collaborated with team members to ensure HLD aligns with project goals
I applied via Company Website and was interviewed in Feb 2024. There were 5 interview rounds.
Coding assessment in Code signal which is vedio proctored
Design a loan application system
Collect applicant information such as personal details, employment history, and financial information
Include a credit check process to assess applicant's creditworthiness
Implement a system for loan approval/rejection based on set criteria
Provide options for different types of loans and repayment plans
Ensure security measures are in place to protect applicant's sensitive information
Bank account creation, deposit money, withdraw money
Suggest system cost optimization based on given data set
I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
Concurrency is the ability of a system to execute multiple tasks simultaneously.
Concurrency allows multiple tasks to run concurrently, improving performance and efficiency.
Concurrency can be achieved through multithreading or multiprocessing.
Example: A web server handling multiple requests simultaneously using multithreading.
ACID principles are a set of properties that guarantee database transactions are processed reliably.
Atomicity: Transactions are all or nothing. If one part of the transaction fails, the entire transaction is rolled back.
Consistency: Transactions bring the database from one valid state to another. All constraints are satisfied.
Isolation: Transactions are isolated from each other until they are completed.
Durability: Once...
I applied via Campus Placement and was interviewed before Aug 2023. There were 2 interview rounds.
All about coding and solving questions
posted on 27 Apr 2024
posted on 11 Mar 2024
Some of the top questions asked at the Fiserv Software Engineering Specialist interview -
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