Commercial Bank Of Dubai Interview Questions and Answers

Q1. How did you deliver projects using agile delivery
Ans. 
I delivered projects using agile delivery by following Scrum framework, conducting daily stand-ups, sprint planning, and retrospectives.
• Utilized Scrum framework to break down projects into manageable tasks

• Conducted daily stand-up meetings to track progress and address any blockers

• Facilitated sprint planning sessions to prioritize tasks and set goals for each sprint

• Organized retrospectives to reflect on what went well a...read more
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Q2. Payment related question and the process
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Q1. How would you build a high performing REST service, that calls a downstream API meant for "Notification" service? [Hint: Async service calls]
Ans. 
To build a high performing REST service for Notification API calls, use asynchronous service calls.
• Use asynchronous programming techniques like CompletableFuture or reactive programming to make non-blocking service calls.

• Implement circuit breakers and timeouts to handle potential failures and prevent cascading failures.

• Optimize the service by tuning thread pools, connection pools, and caching mechanisms.

• Consider using ...read more
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Q2. How would you test your REST API, while the downstream API that you are calling is not ready for test yet? [Hint: Mocks in Mockito]
Ans. 
Use Mockito to create mock objects for downstream API testing.
• Create a mock object using Mockito for the downstream API

• Define the behavior of the mock object to simulate responses

• Inject the mock object into the test environment to simulate the downstream API calls

• Write test cases to verify the functionality of the REST API using the mock object
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Q1. Describe a situation when there was a team disagreement and how did you handle it.
Ans. 
Handled team disagreement by facilitating open communication and finding common ground.
• Encouraged team members to express their perspectives and concerns

• Listened actively to understand all sides of the disagreement

• Facilitated a discussion to find common ground and reach a consensus

• Focused on the team's goals and objectives to guide the resolution process
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Q2. Current systems that you are using with facts and figures.
Ans. 
Currently using Salesforce CRM for customer management and Tableau for data visualization.
• Salesforce CRM is used for managing customer relationships and tracking sales activities.

• Tableau is used for creating interactive data visualizations and dashboards.

• Salesforce CRM has helped increase sales by 20% in the past year.

• Tableau has improved data analysis efficiency by 30%.
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Credit analysis - analysis of corporate fundamentals

Q1. Architecture info
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Q2. Regulatory requirements
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Q1. Projects done so far
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Arthritic and reasoning problems

Q1. Core and relevant tech questions
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Q2. What is push notification and how implemented in android
Ans. 
Push notification is a message that pops up on a mobile device. It can be implemented in Android using Firebase Cloud Messaging (FCM) or Google Cloud Messaging (GCM).
• Push notifications are messages sent from a server to a client app that wakes up the app to inform the user of new messages or events.

• In Android, push notifications can be implemented using Firebase Cloud Messaging (FCM) or Google Cloud Messaging (GCM) API...read more
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Fish and fired fish problems related to DSA

String reverse and count specific character

Q1. Discussion with Manager
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Q2. Core and project env
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Q1. Tell me about yourself
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Q2. What do you mean by Bank
Ans. 
A bank is a financial institution that accepts deposits from the public and creates credit.
• Banks provide various financial services such as loans, credit cards, and savings accounts.

• They also facilitate transactions such as wire transfers and ATM withdrawals.

• Banks are regulated by government authorities to ensure stability and protect customers' funds.

• Examples of banks include JPMorgan Chase, Bank of America, and Wells
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Q1. What is the c language band which function is used
Ans. 
The c language band which function is used is stdio.h
• The stdio.h library provides input/output functions for C programs

• Functions like printf(), scanf(), fopen(), fclose(), etc. are included in stdio.h

• The band which function is used is determined by the specific function being called
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Q2. What is c++ language and what the main sytax
Ans. 
C++ is a high-level programming language used for developing system software, application software, device drivers, and video games.
• C++ was developed by Bjarne Stroustrup in 1983.

• It is an extension of the C programming language.

• C++ supports object-oriented programming, generic programming, and procedural programming.

• The main syntax of C++ includes data types, variables, operators, control structures, functions, and cla
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