20+ Genpact Interview Questions and Answers

Transaction response codes are codes that indicate the status of a transaction.

• Transaction response codes are used in electronic payment systems to indicate the status of a transaction.

• These codes can indicate whether a transaction was approved, declined, or resulted in an error.

• Common transaction response codes include 00 for approved transactions, 05 for declined transactions, and 12 for invalid transactions.

• Transaction response codes can also provide additional information...read more

Yes, I have experience working with network/schemes mandates.

• Managed implementation of network/schemes mandates for product development

• Collaborated with cross-functional teams to ensure compliance with mandates

• Analyzed data to track performance and make necessary adjustments

• Ensured product features aligned with network/schemes requirements

Java code to reverse a given string

• Use StringBuilder or StringBuffer class

• Iterate through the string in reverse order

• Append each character to the StringBuilder object

Transaction flow of a POS machine involves multiple steps from initiation to completion.

• Customer initiates payment by swiping or inserting card

• POS machine reads card information and sends it to payment gateway

• Payment gateway verifies card details and sends request to card issuer

• Card issuer approves or declines the transaction and sends response to payment gateway

• Payment gateway sends response to POS machine

• POS machine prints receipt and completes transaction

I am proficient in programming languages such as SQL, Python, and R.

• SQL

• Python

• R

I have worked on various banking projects including digital transformation, risk management, and customer experience enhancement.

• Implemented a digital banking platform to improve customer experience

• Developed risk management systems to monitor and mitigate financial risks

• Led projects to enhance online banking security measures

• Collaborated with cross-functional teams to implement new payment processing systems

Yes, I have experience working on fraud detection in previous roles.

• Implemented machine learning algorithms to detect fraudulent activities

• Collaborated with data scientists to improve fraud detection models

• Utilized data analytics to identify patterns and anomalies in transaction data

I have experience working with Agile, Scrum, Waterfall, and Lean methodologies.

• Agile methodology focuses on iterative development and collaboration.

• Scrum is a framework for managing work on complex projects.

• Waterfall methodology follows a linear sequential flow.

• Lean methodology focuses on maximizing customer value while minimizing waste.

I have technical knowledge in data analysis, SQL, business intelligence tools, and process improvement.

• Proficient in data analysis techniques and tools

• Strong understanding of SQL for querying databases

• Experience with business intelligence tools like Tableau or Power BI

• Skilled in process improvement methodologies like Six Sigma

Yes, I have knowledge of both ATM hardware and software.

• I am familiar with the different types of ATM hardware such as cash dispensers, card readers, and touch screens.

• I have experience with ATM software including transaction processing, security protocols, and network connectivity.

• I am also knowledgeable about troubleshooting and maintenance of ATM systems.

• For example, I have worked with NCR and Diebold ATM machines and their respective software.

• I am aware of the latest tren...read more

Cash management process refers to the set of activities and strategies used by businesses to optimize their cash flow and liquidity.

• Cash management involves monitoring and controlling the inflow and outflow of cash within an organization.

• It includes activities such as cash forecasting, cash positioning, cash pooling, and cash concentration.

• Cash management aims to ensure that a company has enough cash on hand to meet its financial obligations while maximizing the return on exc...read more

Automation testing using Selenium with Java involves writing test scripts in Java to automate testing of web applications.

• Use Selenium WebDriver to interact with web elements and perform actions

• Write test scripts in Java to automate test cases

• Use TestNG or JUnit for test execution and reporting

• Utilize Page Object Model for better code organization and maintenance

• Implement data-driven testing using Excel or CSV files

JDBC steps for establishing a connection with a database

• Load the JDBC driver class using Class.forName() method

• Create a connection object using DriverManager.getConnection() method

• Create a statement object using connection.createStatement() method

• Execute SQL queries using statement.executeQuery() or statement.executeUpdate() methods

• Close the connection using connection.close() method

Hashing in Java is a technique used to convert a key into an index in a hash table, allowing for efficient data retrieval.

• Hashing is used to quickly retrieve data from a large dataset by converting keys into indexes in a hash table.

• It involves applying a hash function to the key to generate a unique hash code.

• Java provides built-in hash functions for common data types like strings and integers.

• Example: HashMap and HashSet in Java use hashing to store and retrieve key-value pa...read more

An authorizer is a person or system that grants or denies access to resources based on predefined rules.

• Authorizers are commonly used in computer security to control access to files, folders, and other resources.

• They can be implemented as software programs or as hardware devices.

• Authorizers typically use a set of rules to determine whether a user or system is authorized to access a resource.

• Examples of authorizers include firewalls, access control lists, and biometric authent...read more

PAN number creation logic involves a combination of letters and numbers based on specific algorithm.

• PAN number consists of 10 characters, with the first five being letters, followed by four numbers, and ending with a letter.

• The fourth character in the PAN number represents the type of holder (individual, company, etc.)

• The fifth character in the PAN number represents the first letter of the surname of the PAN holder.

• The last character in the PAN number is an alphabetic check d...read more

ATM reconciliation is the process of comparing the transactions recorded by an ATM with the bank's records to ensure accuracy.

• ATM reconciliation involves verifying the amount of cash dispensed by the ATM against the amount recorded in the bank's system.

• It also involves checking for any discrepancies in the number of transactions recorded by the ATM and the bank's system.

• ATM reconciliation is important for detecting and preventing fraud, as well as ensuring accurate financial ...read more

Automations and process improvements are crucial for increasing efficiency and reducing errors.

• Automating repetitive tasks can save time and reduce errors.

• Streamlining processes can improve efficiency and reduce waste.

• Implementing new technologies can improve accuracy and speed.

• Regularly reviewing and updating processes can identify areas for improvement.

• Examples: implementing a chatbot for customer service, using machine learning to predict demand and optimize inventory leve...read more

Java is a high-level programming language known for its portability, security, and object-oriented features.

• Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM)

• It is known for its strong security features, such as automatic memory management and built-in exception handling

• Java is object-oriented, allowing for the creation of reusable code through classes and objects

• Popular examples of Java applications include Android apps, web appl...read more

ATM activities refer to the various transactions that can be performed using an automated teller machine.

• ATM activities include cash withdrawals, balance inquiries, deposits, and transfers.

• Some ATMs also offer additional services such as bill payments and mobile phone top-ups.

• ATM activities can be performed using a debit or credit card, or through mobile banking apps.

• ATMs are available 24/7 and provide convenient access to banking services for customers.

• ATM activities are sec...read more

Default constraints are rules set on a database column to automatically assign a default value if no value is specified during an insert operation.

• Default constraints ensure that a specific value is assigned to a column if no value is provided during an insert operation.

• They can be used to set default values for columns such as dates, numbers, or strings.

• For example, a default constraint on a 'created_date' column can automatically set the current date and time if no date is ...read more

DDL commands in SQL are used to define, modify, and drop database objects.

• DDL stands for Data Definition Language.

• Common DDL commands include CREATE, ALTER, and DROP.

• CREATE is used to create new database objects like tables, indexes, or views.

• ALTER is used to modify existing database objects.

• DROP is used to delete database objects.

• Example: CREATE TABLE, ALTER TABLE ADD COLUMN, DROP TABLE

SQL is a standard language for managing relational databases, while PL/SQL is a procedural extension of SQL.

• SQL stands for Structured Query Language and is used for querying and managing databases.

• PL/SQL stands for Procedural Language/SQL and is an extension of SQL that adds procedural programming capabilities.

• SQL is used for querying data, inserting, updating, and deleting records in a database.

• PL/SQL allows for the creation of stored procedures, functions, and triggers with...read more

I have used various tools in the past to manage products.

• I have used JIRA for project management and issue tracking.

• I have used Trello for task management and collaboration.

• I have used Google Analytics for tracking user behavior and website performance.

• I have used Mixpanel for analyzing user engagement and retention.

• I have used Sketch for designing user interfaces and wireframes.

• I have used InVision for prototyping and user testing.

• I have used GitHub for version control and c...read more

I will write 'Hello World' on the board

• Pick up a marker

• Approach the board

• Write 'Hello World'

• Put down the marker