Clix Capital Services Data Engineer 1 Interview Questions and Answers

Q1. Technical questions
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Q1. Technical Questions
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Q1. Salary Discussion
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What is the difference between a HashMap and a ConcurrentHashMap?

Q1. Tell me about yourself
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I am a passionate software engineer with experience in developing web applications using various technologies.
• Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in backend development with Node.js and databases like MySQL and MongoDB

• Familiar with version control systems like Git and project management tools like Jira
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Q2. Past work expert
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Q1. Design Rating Review System
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Design a system to rate and review products or services.
• Allow users to rate products on a scale of 1-5 stars.

• Include written reviews for users to provide more detailed feedback.

• Implement a system to filter and display reviews based on relevance or helpfulness.

• Consider incorporating user profiles and past review history to personalize recommendations.
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Q2. General Engineering questions, system design concepts
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Q1. What is the order of execution in sql
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The order of execution in SQL is: FROM, WHERE, GROUP BY, HAVING, SELECT, ORDER BY.
• 1. FROM: Specifies the tables involved in the query.

• 2. WHERE: Filters the rows based on specified conditions.

• 3. GROUP BY: Groups the rows that have the same values into summary rows.

• 4. HAVING: Filters groups based on specified conditions.

• 5. SELECT: Selects the columns to be included in the result set.

• 6. ORDER BY: Sorts the result set base
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Q1. How to do conditional formatting in excel
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Conditional formatting in Excel allows users to format cells based on specified conditions.
• Select the range of cells you want to apply conditional formatting to

• Go to the 'Home' tab and click on 'Conditional Formatting'

• Choose the desired formatting option, such as color scales, data bars, or icon sets

• Set the conditions for when the formatting should be applied, such as greater than, less than, or equal to a certain valu...read more
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Q1. Count frequency of Characters
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Count frequency of characters in a given string.
• Iterate through each character in the string

• Use a hashmap to store the count of each character

• Return the hashmap with character frequencies
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Q1. API, SQL, Springboot, Microservices, Docker
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Q1. Casual HR questions on salary
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