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PayU Payments Interview Questions and Answers
38 Interview questions
I use Grafana and Kibana dashboards for monitoring purposes.
Grafana is used for visualizing time series data and monitoring metrics.
Kibana is used for analyzing and visualizing logs and other time-series data.
The maximum salary in the employee table can be found by querying the database for the highest salary value.
Query the employee table for the maximum salary using SQL: SELECT MAX(salary) FROM employee;
Check for any outliers or errors in the salary data before determining the maximum value.
Consider any potential bonuses or additional compensation that may affect the salary values.
Common types of microservices include API gateways, service discovery, and event-driven architecture.
API gateways: Acts as a single entry point for multiple microservices, handling authentication, routing, and load balancing.
Service discovery: Allows microservices to find and communicate with each other dynamically, without hardcoding IP addresses.
Event-driven architecture: Microservices communicate through events...
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
Joins are used to retrieve data from multiple tables based on a related column.
Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
INNER JOIN returns rows when there is at least one match in both tables.
LEFT JOIN returns all rows from the left table and the matched rows from the right tab...
What people are saying about PayU Payments
The type of database used is a relational database management system (RDBMS).
Uses tables to store data
Supports SQL for querying and managing data
Examples include MySQL, PostgreSQL, Oracle
VLOOKUP formulas are used in Excel to search for a value in a table and return a corresponding value from another column.
VLOOKUP with exact match: =VLOOKUP(lookup_value, table_array, col_index_num, FALSE)
VLOOKUP with approximate match: =VLOOKUP(lookup_value, table_array, col_index_num, TRUE)
VLOOKUP with wildcard characters: =VLOOKUP(CONCATENATE('*', lookup_value, '*'), table_array, col_index_num, FALSE)
I have used RESTful APIs, SOAP APIs, and GraphQL APIs in my previous projects.
RESTful APIs: Used for creating, updating, reading, and deleting resources over HTTP.
SOAP APIs: Used for exchanging structured information in the implementation of web services.
GraphQL APIs: Used for querying specific data requirements and receiving a predictable response.
ITSM tools are software solutions that help organizations manage and optimize their IT services.
Incident management tools
Change management tools
Problem management tools
Asset management tools
Service catalog tools
Service desk tools
To find the angle at 3:20, we need to calculate the minute hand's position relative to the hour hand.
Calculate the angle made by the hour hand with the 12 o'clock position at 3:20 (20 minutes past 3)
Calculate the angle made by the minute hand with the 12 o'clock position at 3:20
Find the difference between the two angles to get the angle at 3:20
Some risks identified include budget overruns, scope creep, resource constraints, and stakeholder conflicts.
Budget overruns: Potential for unexpected expenses exceeding the allocated budget.
Scope creep: Risk of project scope expanding beyond initial requirements.
Resource constraints: Possibility of not having enough resources (time, money, personnel) to complete the project.
Stakeholder conflicts: Risks associated ...
PayU Payments Interview Experiences
57 interviews found
Harsh Shukla
I applied via Referral and was interviewed in Oct 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Merge two sorted linked lists
- Ans.
Merge two sorted linked lists into a single sorted linked list
Create a new linked list to store the merged result
Iterate through both input linked lists and compare nodes to determine the order in which they should be added to the result list
Handle cases where one list is longer than the other
- Q2. Check if paranthesis are balanced or not
- Ans.
To check if parentheses are balanced, use a stack data structure to keep track of opening and closing parentheses.
Use a stack to push opening parentheses and pop when encountering a closing parenthesis
If stack is empty when encountering a closing parenthesis, return false
After iterating through all parentheses, if stack is empty, return true
(2 Questions)
- Q1. Right view of a Binary Search tree
- Ans.
The right view of a Binary Search Tree shows the nodes that are visible when viewing the tree from the right side.
The right view of a Binary Search Tree includes the rightmost node at each level.
Nodes at each level that are not visible from the right side are not included in the right view.
Example: For the Binary Search Tree with values 1, 2, 3, 4, 5, the right view would be 1, 3, 5.
- Q2. Few javascript questions on how to parse a json object without using inbuilt libraries.
- Ans.
Learn how to manually parse a JSON object in JavaScript without using built-in libraries.
Use string manipulation methods like split() to break down the JSON string.
Identify key-value pairs by looking for ':' and separating them.
Handle nested objects by recursively parsing the string.
Convert strings to appropriate data types (e.g., numbers, booleans).
Example: For a string '{"name":"John"}', split by '{', '}', and ':'.
Interview Preparation Tips
Skills evaluated in this interview
Selected
I appeared for an interview in Jan 2025.
(1 Question)
- Q1. Deep dive into java concepts. Max diameter of a tree in java.
- Ans.
Max diameter of a tree in Java is the longest path between any two nodes in a tree.
The diameter of a tree can be calculated by finding the longest path between any two nodes in the tree.
This can be done by finding the longest path from the root to a leaf node, and then finding the longest path from another leaf node to the root.
The sum of these two paths gives the diameter of the tree.
(1 Question)
- Q1. Lld of loan and borrower design. Design dbs schema. About connection pool, db isolation.
(1 Question)
- Q1. Hiring manager round, more about previous experience and some hypothetical questions.
Swetha
Selected
I applied via Job Portal and was interviewed in Oct 2024. There was 1 interview round.
(1 Question)
- Q1. WHAT IS OOPS, INHERITANCE, STATIC DYNAMIC BINDING
- Ans.
OOPS is Object-Oriented Programming, Inheritance is the ability of a class to inherit properties and behavior from another class, Static Binding is resolved at compile time, Dynamic Binding is resolved at runtime.
OOPS stands for Object-Oriented Programming, which is a programming paradigm based on the concept of objects.
Inheritance is a feature in OOP that allows a class to inherit properties and behavior from another ...
Interview Preparation Tips
- Selenium
I applied via Approached by Company and was interviewed in Oct 2024. There was 1 interview round.
(1 Question)
- Q1. Basic questions like what is useEffect hook used for and other basic javascript and react questions
Technical Project Manager and Scrum Master Interview Questions & Answers
Anonymous
posted on 17 Oct 2024
I applied via Approached by Company and was interviewed in Sep 2024. There were 2 interview rounds.
Case study analysis of your project management skills
(2 Questions)
- Q1. About yourself?
- Q2. Projects you've worked on?, Detailed discussion about the project , and your role in it?
Janki Singh
(1 Question)
- Q1. What are bagging and boosting techniques in machine learning?
Selected
I applied via LinkedIn and was interviewed in Nov 2024. There were 2 interview rounds.
(1 Question)
- Q1. Just to know more about why i want the role
Testing an payment flow on the application
217023 ncr.eee.15
I applied via Recruitment Consulltant and was interviewed in Dec 2024. There was 1 interview round.
(1 Question)
- Q1. A tough sql question
(3 Questions)
- Q1. Lazy loading and eager loading in Java in context of Singleton class
- Ans.
Lazy loading defers the initialization of an object until it is actually needed, while eager loading initializes the object immediately.
Lazy loading is commonly used in Singleton pattern to delay the creation of the instance until it is requested.
Eager loading initializes the Singleton instance at the time of class loading.
Lazy loading can help improve performance by only creating the instance when needed, while eager ...
- Q2. Connect master and slave instances of a DB in spring boot project
- Ans.
Use Spring Boot configuration to connect master and slave instances of a DB
Configure multiple data sources in application.properties or application.yml file
Use @Primary annotation for the master data source and @Qualifier annotation for the slave data source
Define separate DataSource, JdbcTemplate, and EntityManager beans for each data source
Use @Transactional annotation with the appropriate data source to specify whic...
- Q3. Global Exception handler in Spring boot
- Ans.
Global exception handler in Spring Boot handles all exceptions thrown by the application.
Global exception handler can be implemented using @ControllerAdvice annotation in Spring Boot.
It allows centralized exception handling for all controllers in the application.
You can define methods annotated with @ExceptionHandler to handle specific exceptions.
Global exception handler can return custom error responses or redirect to...
Skills evaluated in this interview
I applied via Referral and was interviewed in Jul 2024. There were 2 interview rounds.
DSA Questions and resume
(2 Questions)
- Q1. Asked to code regression taking any example
- Q2. About my past internship
I applied via Approached by Company and was interviewed in May 2024. There were 2 interview rounds.
A case study was given which was very confusing, i came up with the solution but seemed that I misinterpreted the scenario.
(2 Questions)
- Q1. What does project manager do
- Q2. Tell us some risks identified
- Ans.
Some risks identified include budget overruns, scope creep, resource constraints, and stakeholder conflicts.
Budget overruns: Potential for unexpected expenses exceeding the allocated budget.
Scope creep: Risk of project scope expanding beyond initial requirements.
Resource constraints: Possibility of not having enough resources (time, money, personnel) to complete the project.
Stakeholder conflicts: Risks associated with ...
PayU Payments Interview FAQs
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PayU Payments Interviews By Designations
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