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o9 Solutions Applications Engineer Interview Questions and Answers

Updated 31 May 2023

o9 Solutions Applications Engineer Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before May 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Aptitude Test 

SQL, Python, Logical Reasoning

Round 3 - One-on-one 

(1 Question)

  • Q1. General puzzles were asked. Projects on resume were discussed in great detail.
Round 4 - One-on-one 

(1 Question)

  • Q1. General puzzles were asked.

Interview questions from similar companies

I applied via Referral and was interviewed before Jun 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Explain a shell script automation that you created in your current project.
  • Ans. 

    Created a shell script automation to automate data backup process.

    • Wrote a shell script that uses the 'rsync' command to copy files from source to destination.

    • Implemented a cron job to schedule the script to run at specific intervals.

    • Included error handling and logging mechanisms to track any failures or issues.

    • Used variables and parameters to make the script flexible and reusable.

    • Added email notifications to inform the

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - this is very common question and its always better to be prepared with your best automation script. we cannot remember all details if script was written long back so go through the script once before interview and prepare your answer properly.

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. What is your opinion on AI
  • Ans. 

    AI has the potential to revolutionize industries and improve efficiency, but ethical considerations and human oversight are crucial.

    • AI can automate repetitive tasks and increase productivity.

    • AI can analyze large amounts of data and provide valuable insights.

    • AI can improve customer service through chatbots and virtual assistants.

    • AI can enhance medical diagnosis and treatment options.

    • Ethical concerns include privacy, bia...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare for out of box questions be in line with industry trends and be confident about your projects

Interview Preparation Tips

Round: Test
Experience: Oracle online test for all 5 profiles (Systems, Finance, App Devlopement, Server Tech and Global Customer Support).

Round: Technical Interview
Tips: For C or C++ coding, a 11th or 12th grade Sumita Arora book should be sufficient

Skill Tips: 1) Its a long process so be patient and don't lose hope.
2) During the interview try to give the interviewer an idea about the flow of your thoughts while solving a question, as even if you get the answer wrong , the interviewer would know that you were on the right track.
3) Always show respect to the interviewers and don't argue back if he says something you've done is wrong.
Skills:
College Name: NIT Surathkal

Interview Preparation Tips

Round: Test
Experience: One online test. It contains four sections. Each section is of 40 minutes duration.
Tips: CAT preparation helps in answering lots of placement tests.
Duration: 40 minutes

Round: Technical Interview
Experience: Technical round may last for 50 minutes.
Tips: Expect questions on your courses.
Basic C/C++ will be tested like algorithms and logic.

Round: HR Interview
Experience: HR round may last for about half an hour.
HR questions are like „Why OFSS?‟, academic achievements, tell me about yourself and others.
They may ask about recent news articles that you have read and further questions may follow it. Please don‟t present wrong facts.
Tips: Read newspapers.

General Tips: Brush up C/C++.
Go through the coursework once to atleast have a basic idea.
College Name: IIT Madras
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Jul 2023. There were 2 interview rounds.

Round 1 - Coding Test 

1 DP Question, 1 Rest API, 10 Aptitude MCQs, 10 English MCQs

Round 2 - Technical 

(1 Question)

  • Q1. Linked list based include cycle detection and bottom pointer,DBMS

I was interviewed in Oct 2022.

Round 1 - Coding Test 

It was roughly around 70 min. one sql query one coding some mcqs

Round 2 - One-on-one 

(1 Question)

  • Q1. Two coding question but easy
Round 3 - One-on-one 

(1 Question)

  • Q1. Normal oops question. But one scheduling algorithms But it was different from person to person.

Interview Preparation Tips

Interview preparation tips for other job seekers - in interview lucks matters a lot.
be confident in interview.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Nov 2023.

Round 1 - Aptitude Test 

Aptitude questions along with coding questions

Round 2 - One-on-one 

(2 Questions)

  • Q1. 3 Leet code medium level coding questions
  • Q2. Resume deep dive
Round 3 - One-on-one 

(2 Questions)

  • Q1. 2 Leet code medium level questions
  • Q2. Probability basics
Round 4 - HR 

(1 Question)

  • Q1. Behavioural questions
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Mar 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Total of 4 rounds, all based on problem solving and DSA.

Round 2 - One-on-one 

(1 Question)

  • Q1. This was also based on problem solving.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Feb 2024. There were 4 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Given an array of strings, print all the possible combinations of strings created by picking one character from each string of the array. The individual strings do not contain any duplicates. Ex: {ABC, DE...
  • Ans. 

    Print all possible combinations of strings by picking one character from each string in the array.

    • Iterate through each character of the first string and combine it with each character of the second string.

    • Repeat the process for all strings in the array to get all possible combinations.

    • Use nested loops to generate combinations efficiently.

  • Answered by AI
  • Q2. Given an array of size n, print the indices , i which have an equilibrium point around them defined as sum of i-p to i-1 elements = sum of i to t+p-1 elements (equal sum on left side and right side of the ...
Round 2 - Technical 

(3 Questions)

  • Q1. Check if given string has Balanced Parentheses.
  • Ans. 

    Check if a string has balanced parentheses.

    • Use a stack to keep track of opening parentheses.

    • Iterate through the string and push opening parentheses onto the stack.

    • When a closing parenthesis is encountered, pop from the stack and check if it matches the closing parenthesis.

    • If stack is empty at the end and all parentheses are matched, the string has balanced parentheses.

  • Answered by AI
  • Q2. Modified Balanced Parentheses where a character can be matched with any other character, i.e. / with &, ! with ? and so on.
  • Ans. 

    Modified Balanced Parentheses where characters can be matched with any other character.

    • Use a stack to keep track of opening characters

    • When encountering a closing character, check if it matches the top of the stack

    • If it matches, pop from the stack, else return false

    • Continue until end of string, return true if stack is empty

  • Answered by AI
  • Q3. Very similar to print the spiral order traversal of a matrix
Round 3 - Technical 

(1 Question)

  • Q1. Given a date in string format, write a java program to return the date n days after the given date. Solve the question without using DateTimeFormatter or any similar Date parsing libraries.
  • Ans. 

    Java program to calculate date n days after given date without using Date parsing libraries.

    • Parse the input date string to extract day, month, and year components.

    • Calculate the total number of days represented by the input date.

    • Add the specified number of days to the total days calculated.

    • Convert the final total days back to day, month, and year components to get the new date.

  • Answered by AI
Round 4 - Technical 

(4 Questions)

  • Q1. Java OOP questions: Function overloading and overriding, use of static function, difference between final, finally and finalize keywords.
  • Q2. Print all Pythagorean triplets within a given range.
  • Ans. 

    Print Pythagorean triplets within a given range.

    • Iterate through all possible combinations of a, b, and c within the given range

    • Check if a^2 + b^2 = c^2 for each combination

    • Print the triplets that satisfy the Pythagorean theorem

  • Answered by AI
  • Q3. Print all combinations of numbers in an array which sum up to a number k. Ex : Arr={3,1,4,5} k=5 Ans : {{1,4},{5}}
  • Ans. 

    Use backtracking to find all combinations of numbers in an array that sum up to a given number.

    • Start by sorting the array in non-decreasing order to easily identify combinations.

    • Use backtracking to recursively find all combinations that sum up to the target number.

    • Keep track of the current combination and the remaining sum as you traverse the array.

    • Add the current combination to the result when the sum equals the targe

  • Answered by AI
  • Q4. Standard behavioural questions: Why Oracle? Where do you see yourself in 5 years? Your strengths and weaknesses.

Interview Preparation Tips

Topics to prepare for Oracle Applications Engineer interview:
  • Data Structures
  • Algorithms
  • Java
  • Object Oriented Programming
Interview preparation tips for other job seekers - Revise Data Structures and Algorithms
Java
Object Oriented Programming
Clarify any doubts that you have in the question and ask for the constraints. The constraints help you determine the time complexity expected by the interviewer. Do not directly jump to the optimal solution, instead try to come to the optimal solution iteratively (exceptions might be there)
For the behavioural questions, be confident and honest with your answers.

Skills evaluated in this interview

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o9 Solutions Interview FAQs

How many rounds are there in o9 Solutions Applications Engineer interview?
o9 Solutions interview process usually has 4 rounds. The most common rounds in the o9 Solutions interview process are One-on-one Round, Resume Shortlist and Aptitude Test.

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o9 Solutions Applications Engineer Interview Process

based on 1 interview

Interview experience

4
  
Good
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o9 Solutions Applications Engineer Salary
based on 39 salaries
₹8.6 L/yr - ₹15 L/yr
51% more than the average Applications Engineer Salary in India
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o9 Solutions Applications Engineer Reviews and Ratings

based on 5 reviews

4.0/5

Rating in categories

3.8

Skill development

3.8

Work-life balance

4.4

Salary

4.2

Job security

3.6

Company culture

3.8

Promotions

3.5

Work satisfaction

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