FIS Interview Questions, Process, and Tips

Q1. Types of malware, port numbers, basics of SOC, basics of SIEM
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Q2. Projects mentioned in the resume, OSI layers
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Q1. What do you know about FIS
Ans. 
FIS is a global financial services technology company.
• FIS provides a wide range of financial services and solutions to clients worldwide.

• The company offers banking and payment solutions, consulting services, and risk management tools.

• FIS serves clients in over 130 countries and has over 55,000 employees.

• FIS is a Fortune 500 company and is headquartered in Jacksonville, Florida.
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Q2. Tell me about previous job
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Q1. Corporate Action meaning
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Corporate Action refers to an event initiated by a publicly traded company that impacts its shareholders or securities.
• Corporate actions can include stock splits, dividends, mergers, acquisitions, spin-offs, and rights issues.

• These actions can affect the value of the company's stock and the overall investment portfolio of shareholders.

• Investors need to stay informed about corporate actions to make informed decisions ab
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Q2. Derivatives and types
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MCQ type questions related to Front end, Back end and involved few coding questions in the MCQ format

Q1. How would you debug an application to solve a production defect that was raised?
Ans. 
I would start by reproducing the issue, analyzing logs, checking code changes, and using debugging tools.
• Reproduce the issue to understand the exact scenario where the defect occurs.

• Analyze logs to identify any error messages or warnings related to the defect.

• Check recent code changes to see if any recent modifications could have caused the defect.

• Use debugging tools like breakpoints, logging, and profiling to trace th...read more
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Q2. What would you do if a defect can't be fixed?
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I would analyze the impact of the defect and explore alternative solutions.
• Analyze the impact of the defect on the overall system functionality

• Discuss with the team to brainstorm alternative solutions

• Consider workarounds or temporary fixes while a permanent solution is being developed
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Q3. How would you implement breaking changes in the application?
Ans. 
Breaking changes can be implemented by following a structured process to minimize impact on users.
• Communicate the changes to stakeholders in advance

• Provide detailed documentation on the changes and how to adapt to them

• Implement versioning to allow users to choose when to adopt the changes

• Use feature flags to gradually roll out the changes and monitor impact

• Run thorough testing to ensure the changes do not introduce new
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Q1. Basics of angular, ts,js
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Q1. Programming questions
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Q1. Family backgroud
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Q1. Asked Angular related Questions
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Q2. Observables Input Output ForJoin MergeMap Interceptors
Ans. 
Observables are used in RxJS to handle asynchronous operations, input/output refers to data flow, ForJoin and MergeMap are operators, interceptors are used for handling HTTP requests.
• Observables are used for handling asynchronous operations in RxJS

• Input/Output refers to the flow of data into and out of a system

• ForJoin is used to combine multiple observables into a single observable

• MergeMap is an operator used to merge ...read more
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Q3. Why Observables over promise
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Observables provide a more flexible and powerful way to handle asynchronous data streams compared to promises.
• Observables can handle multiple values over time, while promises can only handle a single value.

• Observables can be cancelled, while promises are not cancellable.

• Observables support operators for transforming, combining, and filtering data streams.

• Observables provide better error handling capabilities compared t
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Q4. Behavior Subject vs SUbject
Ans. 
Behavior Subject is a type of Subject in RxJS used for emitting values and managing subscriptions.
• Behavior Subject is a type of Subject in RxJS.

• It emits the most recent value to new subscribers.

• It retains the last emitted value and emits it immediately upon subscription.

• Example: const subject = new BehaviorSubject(0);
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Q5. Where to store token in angular
Ans. 
Tokens in Angular can be stored in local storage, session storage, or as cookies.
• Store tokens in local storage for persistent storage across browser sessions

• Use session storage for tokens that should be cleared when the browser is closed

• Store tokens as cookies for secure transmission over HTTPS
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Q1. Technical and scenario based questions
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Q2. Risk management and compliance
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Q1. Business continuity plan, risk, mitigation
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