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Experian Interview Questions and Answers
17 Interview questions
To make a class immutable, ensure that its state cannot be changed after instantiation.
Make all fields private and final
Do not provide setter methods
Ensure that any mutable objects within the class are also made immutable
Singleton design pattern ensures a class has only one instance and provides a global point of access to it.
Create a private static instance of the class
Provide a public static method to access the instance
Ensure the constructor is private to prevent instantiation of multiple objects
Cyclomatic complexity is a software metric used to measure the complexity of a program.
It measures the number of linearly independent paths through a program's source code.
It helps in identifying complex code that may be difficult to maintain or test.
A higher cyclomatic complexity indicates a higher risk of errors and bugs in the code.
It is calculated using the formula: E - N + 2P, where E is the number of edges, ...
2 sum problem in Java involves finding two numbers in an array that add up to a specific target value.
Use a HashMap to store the difference between the target value and each element in the array.
Iterate through the array and check if the current element's complement exists in the HashMap.
Return the indices of the two numbers that add up to the target value.
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Underwriting involves assessing risk and determining the terms of insurance policies.
Underwriters evaluate the risk associated with insuring a particular individual or entity.
They analyze factors such as age, health, occupation, and lifestyle to determine the likelihood of a claim.
Underwriters also set the premium amount and coverage limits based on the risk assessment.
They may use actuarial tables, statistical mo...
Fraud in onboarding journey can be detected through various methods such as background checks, verification processes, and monitoring of suspicious activities.
Implement thorough background checks on new employees or clients to verify their identity and credentials.
Utilize verification processes such as document verification, reference checks, and identity verification to ensure the authenticity of information prov...
A leading number in a set is the first number that is greater than all numbers to its left.
A leading number is defined as a number that is greater than all the numbers before it in the array.
Example: In the array [1, 3, 2, 5, 4], the leading numbers are 1, 3, and 5.
To find leading numbers, iterate through the array while keeping track of the maximum number seen so far.
If the current number is greater than the maxi...
Implementing SAST in CI/CD requires careful planning and integration to ensure security vulnerabilities are caught early in the development process.
Integrate SAST tools directly into the CI/CD pipeline to scan code automatically during the build process.
Set up alerts and notifications for developers to address security findings promptly.
Regularly update SAST tools and configurations to keep up with new vulnerabili...
Address concerns with empathy, provide education on security risks, offer solutions, collaborate on finding a compromise.
Listen to their concerns and understand their perspective.
Educate them on the potential security risks and consequences of not addressing the issues.
Offer alternative solutions or workarounds that meet both security and development needs.
Collaborate with the developers to find a compromise that ...
Design a scalable system to handle increasing user demand efficiently.
Use microservices architecture to allow independent scaling of components.
Implement load balancers to distribute traffic evenly across servers.
Utilize caching mechanisms (e.g., Redis, Memcached) to reduce database load.
Consider database sharding to manage large datasets effectively.
Employ CDNs (Content Delivery Networks) to serve static content ...
Experian Interview Experiences
23 interviews found
Sayantan Biswas
Selected
I applied via LinkedIn and was interviewed in Jun 2024. There were 5 interview rounds.
Java coding questions, basic Java questions.
(2 Questions)
- Q1. Java basics questions.
- Q2. Live coding.
(2 Questions)
- Q1. Discussion on previous experience and projects.
- Q2. System design question
(2 Questions)
- Q1. Questions on SQL, Java advanced, personal projects, Java frameworks, UI based questions, Agile methodologies.
- Q2. Interview discussion with the whole team.
(2 Questions)
- Q1. Benefits discussion.
- Q2. Salary discussion.
Anonymous
I applied via Referral and was interviewed in Oct 2024. There was 1 interview round.
SQL Joins and Window functions in SQL
Asked about Stored Procedures and implementations
Tableau LOD's
Tableau Parameters
Interview Preparation Tips
- SQL
- Database
- Tableau
- Excel
I applied via Company Website and was interviewed in May 2024. There were 2 interview rounds.
(5 Questions)
- Q1. Code singleton design pattern in java
- Ans.
Singleton design pattern ensures a class has only one instance and provides a global point of access to it.
Create a private static instance of the class
Provide a public static method to access the instance
Ensure the constructor is private to prevent instantiation of multiple objects
- Q2. 2 sum in java
- Ans.
2 sum problem in Java involves finding two numbers in an array that add up to a specific target value.
Use a HashMap to store the difference between the target value and each element in the array.
Iterate through the array and check if the current element's complement exists in the HashMap.
Return the indices of the two numbers that add up to the target value.
- Q3. How to make a class immutable
- Ans.
To make a class immutable, ensure that its state cannot be changed after instantiation.
Make all fields private and final
Do not provide setter methods
Ensure that any mutable objects within the class are also made immutable
- Q4. Async annotation
- Q5. Spring-starter dependencies
(3 Questions)
- Q1. What is cyclomacic complexity
- Ans.
Cyclomatic complexity is a software metric used to measure the complexity of a program.
It measures the number of linearly independent paths through a program's source code.
It helps in identifying complex code that may be difficult to maintain or test.
A higher cyclomatic complexity indicates a higher risk of errors and bugs in the code.
It is calculated using the formula: E - N + 2P, where E is the number of edges, N is ...
- Q2. Simple output questions based on inheritance
- Q3. OWASP top 10 security vulnerabilities
Interview Preparation Tips
- Collections
Skills evaluated in this interview
GATLA VINAY KUMAR
(1 Question)
- Q1. API AUTOMATION using rest assured
(1 Question)
- Q1. What the role in project as SDET
(1 Question)
- Q1. Expectations and Behavioral questions
Interview Preparation Tips
Skills evaluated in this interview
test anmi
(2 Questions)
- Q1. Best practices while integrating SAST in CI/CD?
- Ans.
Implementing SAST in CI/CD requires careful planning and integration to ensure security vulnerabilities are caught early in the development process.
Integrate SAST tools directly into the CI/CD pipeline to scan code automatically during the build process.
Set up alerts and notifications for developers to address security findings promptly.
Regularly update SAST tools and configurations to keep up with new vulnerabilities ...
- Q2. How would you deal with developer push back for security issues?
- Ans.
Address concerns with empathy, provide education on security risks, offer solutions, collaborate on finding a compromise.
Listen to their concerns and understand their perspective.
Educate them on the potential security risks and consequences of not addressing the issues.
Offer alternative solutions or workarounds that meet both security and development needs.
Collaborate with the developers to find a compromise that ensur...
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
(4 Questions)
- Q1. Authentication flow
- Q2. Authorization Flow
- Q3. 1 DSA question to find a leading number in a set of numbers
- Ans.
A leading number in a set is the first number that is greater than all numbers to its left.
A leading number is defined as a number that is greater than all the numbers before it in the array.
Example: In the array [1, 3, 2, 5, 4], the leading numbers are 1, 3, and 5.
To find leading numbers, iterate through the array while keeping track of the maximum number seen so far.
If the current number is greater than the maximum, ...
- Q4. Repository pattern
Interview Preparation Tips
Be prepared to tell the past projects you worked on well.
It was mixed Aptitude and Programming question
(2 Questions)
- Q1. Programming Question
- Q2. Java Interview Question
I applied via LinkedIn and was interviewed in Jul 2023. There were 3 interview rounds.
1. One question regarding the MaxPartitions for a given array, if array is [4, 3, 2, 6 , 5, 10, 9] => upon sorting it appears like [2, 3, 4, 5, 6, 7, 9, 10] ..Max slices are [2,3,4] [5, 6] [9, 10] so slice count is 3
2. Another one Max integer upon removal 5 digit
(1 Question)
- Q1. Two technical rounds happened 1. One technical round : It was all about the Architecture , Design patterns on Microservices like CircuitBreaker etc and also security concepts, 2. Another technical round...
Interview Preparation Tips
(1 Question)
- Q1. System Design question relating scale the services
- Ans.
Design a scalable system to handle increasing user demand efficiently.
Use microservices architecture to allow independent scaling of components.
Implement load balancers to distribute traffic evenly across servers.
Utilize caching mechanisms (e.g., Redis, Memcached) to reduce database load.
Consider database sharding to manage large datasets effectively.
Employ CDNs (Content Delivery Networks) to serve static content close...
(1 Question)
- Q1. Package. Skillset Reason for leaving
(1 Question)
- Q1. About current job, reason for leaving
(1 Question)
- Q1. Basic introduction and some technical questions
Experian Interview FAQs
The duration of Experian interview process can vary, but typically it takes about less than 2 weeks to complete.
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