HCLTech Senior Technical Lead Interview Questions and Answers

Q1. Design batch which creates and sends report
Ans. 
Design a batch process to create and send reports
• Create a script to generate the report based on specified criteria

• Schedule the script to run at regular intervals using a batch scheduler like cron

• Configure the script to send the report via email or save it to a shared location

• Include error handling and logging in the batch process
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Q2. Explain Spring Lifecycle
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Spring Lifecycle is a series of steps that a Spring bean goes through from initialization to destruction.
• 1. Initialization phase: Bean is instantiated, dependencies are injected, and any initialization methods are called.

• 2. In use phase: Bean is used by the application.

• 3. Destruction phase: Bean is destroyed, any cleanup methods are called.

• 4. Post-processor phase: Additional processing can be done before or after initi...read more
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Q1. Explain DB structure
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DB structure refers to the organization of data in a database, including tables, relationships, and constraints.
• DB structure includes tables, columns, relationships, indexes, and constraints.

• Tables store data in rows and columns.

• Columns define the type of data that can be stored in a table.

• Relationships define how tables are connected to each other.

• Indexes improve the performance of database queries.

• Constraints enforce...read more
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Q2. Write a code to get unique numbers from array
Ans. 
Code to get unique numbers from array of strings
• Convert array of strings to array of integers

• Use a Set to store unique numbers

• Convert Set back to array if needed
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Q1. Basics regarding Oracle CPQ
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Q1. Scenario based questions
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Q1. Salary expectation
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Q1. About you and technologies
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Q2. What are the tools we use
Ans. 
We use a variety of tools including programming languages, frameworks, version control systems, and project management tools.
• Programming languages such as Java, Python, C++, etc.

• Frameworks like Spring, React, Angular, etc.

• Version control systems like Git, SVN, Mercurial, etc.

• Project management tools such as Jira, Trello, Asana, etc.
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Q3. Data warehouse question
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Q4. Sql and power bi related
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Q1. About your education background
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Q1. Virtual round only
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Q1. Virtual round only
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Q1. Salary discussion
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Q1. Spfx life cycle
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Q2. Upgrade solutions
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Will ask you write code for scenario basis

Q1. Life cycle hooks and scenarios of uses
Ans. 
Life cycle hooks are methods that allow you to tap into the lifecycle of a component in Angular.
• ngOnInit - called after Angular has initialized all data-bound properties

• ngOnChanges - called when an input property changes

• ngOnDestroy - called before the component is destroyed

• ngAfterViewInit - called after Angular has fully initialized a component's view
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Q2. Ngrx data management details
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Q1. Known technologies
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Q2. Deployment knowledge
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Q1. CTC details and breakup
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Q2. Current work location and joining details
Ans. 
Currently, I work remotely from San Francisco, CA, and I am available to join within two weeks after receiving an offer.
• I am based in San Francisco, CA, where I have been working remotely for the past year.

• My current role involves leading a team of developers in a cloud-based project.

• I can start within two weeks, allowing time for a smooth transition.

• I have experience in agile methodologies, which I can bring to your t...read more
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