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Optum Global Solutions Software Developer Interview Questions and Answers
33 Interview questions
Relational DBMS stores data in tables with predefined relationships, while non-relational DBMS stores data in flexible, schema-less formats.
Relational DBMS uses structured query language (SQL) for querying data
Non-relational DBMS can store data in various formats like key-value pairs, document-based, graph databases
Relational DBMS ensures data integrity through normalization and constraints
Non-relational DBMS offe...
Debouncing is a technique used to limit the rate at which a function is called.
Use a timer to delay the execution of a function until a certain amount of time has passed without the function being called again.
Reset the timer each time the function is called to prevent it from being executed multiple times in quick succession.
Debouncing is commonly used in scenarios like handling button clicks to prevent multiple ...
Closures in JavaScript are functions that have access to variables from their outer scope even after the outer function has finished executing.
Closures allow for maintaining state in an asynchronous environment.
They are created whenever a function is defined within another function.
Closures can be used to create private variables and functions in JavaScript.
Find the longest consecutive sequence in an array of integers.
Sort the array to make it easier to identify consecutive numbers.
Iterate through the array and keep track of the current consecutive sequence length.
Update the longest consecutive sequence length as you iterate through the array.
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Interface is a contract with no implementation, while abstract class can have some implementation.
Interface cannot have any implementation, only method signatures.
Abstract class can have both abstract methods and concrete methods.
A class can implement multiple interfaces but can only inherit from one abstract class.
Interfaces are used to achieve multiple inheritance in Java.
Example: interface Shape { void draw(); ...
Find the next maximum element in an array of strings.
Iterate through the array and keep track of the current maximum element.
Compare each element with the current maximum and update if a larger element is found.
Return the next maximum element after the current maximum.
Reversing a linked list involves changing the direction of the pointers between nodes.
Iterative approach: Use three pointers (prev, current, next) to reverse links.
Example: For list 1 -> 2 -> 3, after reversal it becomes 3 -> 2 -> 1.
Recursive approach: Reverse the rest of the list and adjust pointers.
Example: Base case is when the list is empty or has one node.
A linked list is a data structure consisting of nodes where each node contains a data field and a reference to the next node in the sequence.
Linked list elements are not stored in contiguous memory locations like arrays.
Each node in a linked list contains data and a reference to the next node.
Linked lists can be singly linked (each node points to the next node) or doubly linked (each node points to both the next a...
Binary search is a search algorithm that finds the position of a target value within a sorted array.
Divide and conquer approach
Compares target value with middle element of array
If target value is smaller, search left half; if larger, search right half
Repeat process until target value is found or subarray is empty
Find the kth element in an array
Use array indexing to access the kth element
Remember that array indices start from 0
Handle cases where k is out of bounds of the array
Optum Global Solutions Software Developer Interview Experiences
26 interviews found
Preeti Charishma
Aptitude, core concepts and a code
(2 Questions)
- Q1. What is the one thing you learnt from college club?
- Ans.
I learned the importance of teamwork and collaboration from my college club.
Developed strong communication skills by working with diverse group of individuals
Learned how to delegate tasks effectively to achieve common goals
Gained experience in problem-solving and conflict resolution through group projects
- Q2. What is the one thing you want to expereince?
- Ans.
I want to experience living in a different country and immersing myself in a new culture.
Traveling to a foreign country and learning about their customs and traditions
Trying new foods and experiencing different ways of life
Making friends with locals and exploring the local attractions
(3 Questions)
- Q1. Difference between relational and non relational dbms
- Q2. Difference betweeen class,abstract class,interface in python
- Q3. Project related questions were asked
Skills evaluated in this interview
Kundan Singh
(2 Questions)
- Q1. Performace optimization, caching, redis
- Q2. Immutable class, single ton pattern
Anonymous
(2 Questions)
- Q1. Core Java Questions
- Q2. Spring Boot Questions
(2 Questions)
- Q1. HighLevelDesign Questions
- Q2. Basic Docker questions
Gokul A
(1 Question)
- Q1. Big data Architecture
(1 Question)
- Q1. Data modeling questions
Interview Preparation Tips
Selected
I applied via Campus Placement and was interviewed in Jan 2024. There were 2 interview rounds.
Technical round was really good
(5 Questions)
- Q1. What is binary search
- Ans.
Binary search is a search algorithm that finds the position of a target value within a sorted array.
Divide and conquer approach
Compares target value with middle element of array
If target value is smaller, search left half; if larger, search right half
Repeat process until target value is found or subarray is empty
- Q2. Binary search and time
- Q3. What is linked list
- Ans.
A linked list is a data structure consisting of nodes where each node contains a data field and a reference to the next node in the sequence.
Linked list elements are not stored in contiguous memory locations like arrays.
Each node in a linked list contains data and a reference to the next node.
Linked lists can be singly linked (each node points to the next node) or doubly linked (each node points to both the next and pr...
- Q4. Tree data structure
- Q5. Avl tree and write code
Interview Preparation Tips
Skills evaluated in this interview
- Q1. What is index in sql server
- Ans.
An index in SQL Server is a database object that improves the speed of data retrieval operations on a table.
Indexes are similar to a book's index, allowing quick access to data without scanning the entire table.
There are two main types of indexes: clustered and non-clustered. A clustered index determines the physical order of data.
Example of a clustered index: If a table has a primary key, SQL Server automatically crea...
- Q2. What is join
Rakesh G
(1 Question)
- Q1. Difference between interface and abstract class
- Ans.
Interface is a contract with no implementation, while abstract class can have some implementation.
Interface cannot have any implementation, only method signatures.
Abstract class can have both abstract methods and concrete methods.
A class can implement multiple interfaces but can only inherit from one abstract class.
Interfaces are used to achieve multiple inheritance in Java.
Example: interface Shape { void draw(); } abs...
Basic aptitude number theory
Arvind Kumar
Selected
I applied via Referral and was interviewed before Jun 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Resume related questions were asked
- Q2. Mentioned skills related questions were asked
(1 Question)
- Q1. Java backend technology related questions
Interview Preparation Tips
Selected
I applied via Campus Placement and was interviewed before Jan 2024. There were 3 interview rounds.
Aptitude test of 1hr, logical reasoning and dat interpretation questions were asked of intermediate difficulty
2 basic coding questions in 30mins
(2 Questions)
- Q1. Basic DSA related questions like merge sort implementation
- Q2. Questions on OOPS concept and DBMS
Optum Global Solutions Interview FAQs
Some of the top questions asked at the Optum Global Solutions Software Developer interview -
The duration of Optum Global Solutions Software Developer interview process can vary, but typically it takes about less than 2 weeks to complete.
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based on 19 interview experiences
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Optum Global Solutions Software Developer Reviews and Ratings
based on 52 reviews
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