UnitedHealth Interview Questions, Process, and Tips

Q1. What are your key achievements in your current role ?
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Q2. Explain me more about your current job profile ?
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Q1. Is there any process improvements you have done so far? Explain it in details and what were outcome of it?
Ans. 
Yes, I have implemented a process improvement by automating the invoice approval process.
• Implemented an automated invoice approval process using software

• Reduced the time taken for invoice approval from 2 days to 1 day

• Eliminated errors caused by manual data entry

• Improved communication between departments

• Increased efficiency and productivity
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Q2. What is your longterm aspirations? Where do you want to see your self in next 5 years from now?
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Q1. What is your salary expectations ?
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Q2. What is your notice period in current organization?
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Round duration - 60 minutes
Round difficulty - Medium

The timings of the 1st round were 11 am to 12 noon. It was a proctored online test using a friendly hackerrank platform to conduct the test. The test was smooth and went well. There were questions from different sections.

Q1. 
Maximize Stock Trading Profit
You are given an array prices, representing stock prices over N consecutive days. Your goal is to compute the maximum profit achievable by performing multiple transactions (i...read more
Ans. 
Calculate maximum profit by buying and selling stocks multiple times.
• Iterate through the array of stock prices and find all increasing sequences of prices.

• Calculate profit for each increasing sequence and add them up to get the maximum profit.

• Make sure to sell before buying again to maximize profit.
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Round duration - 40 minutes
Round difficulty - Medium

Involved solving coding questions basic interaction and some questions from oops and my resume

Q1. 
Copy and Reverse the Array
Given an array of non-negative integers ARR, your task is to create another array COPY_ARR with the elements of ARR in reverse order.
Input:
The first line contains an integer T ...read more
Ans. 
Create a new array with elements of given array in reverse order.
• Iterate through the given array in reverse order and copy elements to a new array.

• Ensure to handle edge cases like empty array or single element array.

• Use a temporary variable to swap elements for in-place reversal if required.
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Round duration - 40 minutes
Round difficulty - Medium

It was like an interaction round between the technical manager and us.

Q1. What are the differences between fragmentation and segmentation in operating systems?
Ans. 
Fragmentation is the division of memory into smaller blocks, while segmentation is the division of memory into logical segments.
• Fragmentation divides memory into smaller blocks, leading to wasted space and inefficient memory usage.

• Segmentation divides memory into logical segments based on program structure or data types.

• Fragmentation can occur due to external fragmentation (unused memory between allocated blocks) or in...read more
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Q2. What are some SQL queries and JOIN operations you have worked with in your database management projects?
Ans. 
I have worked with SQL queries and JOIN operations in database management projects.
• Used INNER JOIN to combine rows from two or more tables based on a related column between them.

• Utilized LEFT JOIN to return all rows from the left table and the matched rows from the right table.

• Implemented WHERE clause to filter rows based on specified conditions.

• Employed GROUP BY to group rows that have the same values into summary row...read more
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Q1. Daily activity, API testing
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Q1. Communication & Salary discussion
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