Infinx Senior Software Engineer Interview Questions, Process, and Tips

Q1. What you do when your wifi is not connected with other device and you didn't get password
Ans. 
Try to troubleshoot the wifi connection issue by checking settings, restarting devices, and seeking help from IT support.
• Check if the wifi is turned on and the correct network is selected

• Restart the wifi router and the device

• Contact IT support for assistance in retrieving the password
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Q2. Find maximum value given an array with numbers and you can jump to any number and the value is jump length multiplied by value of location
Ans. 
Iterate through array, calculate value at each index, keep track of maximum value
• Iterate through the array and calculate the value at each index by multiplying jump length with value of location

• Keep track of the maximum value encountered during the iteration

• Return the maximum value found
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Q1. Write a Program Nth term in a infinite series example: 2,4,8,2,4,8……..n…….infinite
Ans. 
Program to find the Nth term in an infinite series
• The series has a repeating pattern

• Use modulo operator to find the index of the repeating pattern

• Calculate the value of Nth term based on the pattern
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Q2. Write a Program identify Max length of a substring from a given string and also the substring should be palindrome
Ans. 
Program to find the longest palindrome substring in a given string.
• Iterate through the string and check for palindromes of different lengths

• Store the longest palindrome found

• Return the length and substring
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Q3. What is your comfort level on HTML, CSS and JavaScript
Ans. 
I am very comfortable with HTML, CSS and JavaScript.
• I have extensive experience in developing responsive web applications using HTML, CSS and JavaScript.

• I am proficient in using CSS preprocessors like SASS and LESS.

• I have worked with various JavaScript frameworks like React, Angular and Vue.js.

• I am familiar with HTML5 and CSS3 features like Flexbox and Grid layout.

• I am comfortable with debugging and troubleshooting iss
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Q4. What are reasons for your transitions in Career
Ans. 
Transitions were driven by desire for growth, new challenges, and better alignment with personal values.
• Desire for professional growth and development

• Seeking new challenges and opportunities

• Alignment with personal values and mission

• Exploring different industries and technologies

• Relocation for personal reasons
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Q5. Oracle EBS 12.1 and 12.2 Technical Architecture Differences
Ans. 
Differences between Oracle EBS 12.1 and 12.2 Technical Architecture
• 12.2 has a web-based interface while 12.1 has a client-server interface

• 12.2 has a multi-node architecture while 12.1 has a single-node architecture

• 12.2 has a more modular architecture with fewer dependencies

• 12.2 has a more streamlined upgrade process compared to 12.1
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Q6. What is your current role and how do you handle your daily tasks
Ans. 
I am currently working as a Senior Software Engineer and I handle my daily tasks by prioritizing them based on their importance and urgency.
• I start my day by checking my emails and responding to any urgent requests

• I then review my to-do list and prioritize my tasks for the day

• I break down complex tasks into smaller, more manageable ones

• I collaborate with my team members to ensure that we are all on the same page

• I use p...read more
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Q7. Tell me in detail step by step process for registering XML Publisher Report
Ans. 
The process for registering XML Publisher Report
• Create a data model for the report

• Create a template for the report using RTF or XSL-FO

• Upload the template to the server

• Create a report definition using the data model and template

• Register the report definition with the XML Publisher server
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Q8. Java Exceptions hierarchy(IOException then Exception Block , what error we get here)
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Q9. Write a Program to find a second max in the give list? and Time Complexity
Ans. 
Program to find second max in a list and its time complexity
• Sort the list in descending order and return the second element

• Traverse the list and keep track of the maximum and second maximum elements

• Time complexity: O(n)
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Q1. LRU Implementation
Ans. 
LRU (Least Recently Used) is a cache eviction policy where the least recently accessed items are removed first.
• LRU cache stores key-value pairs with a maximum capacity.

• When a new key-value pair is added, if the cache is full, the least recently used item is removed.

• When a key is accessed, it is moved to the front of the cache to indicate it was recently used.
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Q2. Sell and buy stock
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Q1. Purely scenario based questions
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Q2. Answer based on your experience
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Q1. 1. Depth about JVM internals 2. SQL Query questions
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Q1. Given a tree, connect it horizontally.
Ans. 
Connect nodes at the same level of a binary tree horizontally.
• Use a queue to traverse the tree level by level.

• For each level, connect the nodes in the queue from left to right.

• Set the right pointer of each node to the next node in the queue.

• Set the right pointer of the last node in the level to null.
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Q1. Design an algorithm to write content to a screen
Ans. 
Algorithm to write content to a screen
• Determine the type of content to be displayed

• Choose an appropriate font and font size

• Define the layout and positioning of the content

• Implement the algorithm to display the content on the screen
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Q1. Design an Elastic Load balancer
Ans. 
An Elastic Load Balancer distributes incoming traffic across multiple targets to ensure high availability and scalability.
• Choose the appropriate load balancer type (Application, Network, Classic)

• Configure health checks to ensure traffic is only sent to healthy targets

• Set up auto scaling groups to automatically add or remove targets based on traffic

• Use security groups to control access to the load balancer and targets

• Co...read more
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Q1. Project related questions
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Input output questions on C, C++ and java

Machine coding round 5-6 coding questions based on string and arrays. Medium level

Mini project : They ask to code a system with the given requirements