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Osttra Interview Questions, Process, and Tips

Updated 2 Feb 2025

Top Osttra Interview Questions and Answers

View all 7 questions

Osttra Interview Experiences

Popular Designations

12 interviews found

Interview experience
3
Average
Difficulty level
Easy
Process Duration
-
Result
-

I was interviewed in Dec 2024.

Round 1 - Technical 

(5 Questions)

  • Q1. Css Position, Display properties, flex box.
  • Q2. Event Loop in JS.
  • Ans. 

    Event Loop in JS manages asynchronous operations by executing callback functions in a queue.

    • Event Loop is a mechanism in JavaScript that allows asynchronous operations to be handled efficiently.

    • It continuously checks the call stack for any functions to execute, and the callback queue for any functions to be pushed onto the call stack.

    • Example: setTimeout() function in JS uses the Event Loop to execute a callback functio

  • Answered by AI
  • Q3. Promise and callbacks, tell the sequence which runs first.
  • Ans. 

    Callbacks run first before promises in JavaScript.

    • Callbacks are executed immediately when they are defined.

    • Promises are executed asynchronously, after the current call stack is empty.

    • Example: Callback function passed to setTimeout() runs before the promise resolves.

  • Answered by AI
  • Q4. RXJS subject and behavior subject difference.
  • Ans. 

    RXJS subject is a generic observable while behavior subject has an initial value and replays it to new subscribers.

    • RXJS subject is a generic observable that can emit multiple values to multiple subscribers.

    • Behavior subject is a type of subject that requires an initial value and replays it to new subscribers.

    • Behavior subject is useful for scenarios where you always want new subscribers to get the most recent value.

    • Examp...

  • Answered by AI
  • Q5. How to achieve singleton in angular.
  • Ans. 

    Singleton in Angular can be achieved by creating a service with providedIn: 'root' in the @Injectable decorator.

    • Create a service with providedIn: 'root' in the @Injectable decorator

    • Use the service throughout the application to ensure only one instance is created

  • Answered by AI

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (196)

Interview Questions & Answers

user image Anonymous

posted on 2 Feb 2025

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Aug 2024.

Round 1 - One-on-one 

(2 Questions)

  • Q1. IT Service Desk related questions
  • Q2. Microsoft Entra ID and Google Workspace questions
Round 2 - One-on-one 

(2 Questions)

  • Q1. ITSM questions and service delivery
  • Q2. Question related to work experience
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in Mar 2024. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. Interview started with an introduction then Technical person shared a link wherein 1 programming question on String- find longest non repeating substring need to be find and 20 MCQs on Java, DS Algo, AWS w...
  • Q2. Longest Substring without repeating character
  • Ans. 

    Find the longest substring without repeating characters in a given string.

    • Use a sliding window approach to iterate through the string and keep track of the characters seen so far.

    • Update the start index of the window when a repeating character is encountered.

    • Keep track of the longest substring length and characters seen in a hashmap.

  • Answered by AI
  • Q3. Core Java fundmentals
  • Q4. AWS ECS, CLoudWatch
  • Q5. Hibernate, SQL coding questions

Interview Preparation Tips

Topics to prepare for Osttra Software Developer interview:
  • Data Structures
  • Java
Interview preparation tips for other job seekers - Prepare DS Algo before going to interview

Skills evaluated in this interview

Software Developer Interview Questions asked at other Companies

Q1. Maximum Subarray Sum Problem Statement Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array. Example: Input: array = [34, -50, 42, 14, -5, 86] Output: 137 Explanation: The maximum sum is... read more
View answer (42)

Devops Interview Questions & Answers

user image Anonymous

posted on 5 Aug 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. ELB, S3 types, terraform debugging questions, scenario based aws questions
Round 2 - One-on-one 

(1 Question)

  • Q1. Terraform, git, aws

Devops Interview Questions asked at other Companies

Q1. How will you setup a microservice architecture application simple testing environment and deployment pipeline using kubernetes, containers, jenkins and available Cloud services.
View answer (2)

Osttra interview questions for popular designations

 Software Developer

 (2)

 Senior Software Engineer

 (2)

 Senior Specialist

 (1)

 Software Engineer

 (1)

 Test Engineer

 (1)

 Associate Software Engineer 2

 (1)

 QA Engineer

 (1)

 Devops

 (1)

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - Aptitude Test 

Aptitute based questions

Round 2 - Technical 

(1 Question)

  • Q1. Java and aws based

Software Developer Interview Questions asked at other Companies

Q1. Maximum Subarray Sum Problem Statement Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array. Example: Input: array = [34, -50, 42, 14, -5, 86] Output: 137 Explanation: The maximum sum is... read more
View answer (42)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via Approached by Company and was interviewed in Oct 2023. There were 6 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Virtual screening 

(1 Question)

  • Q1. This was a virtual round where 3easy DSA questions were asked and then java theoretical MCQs with some deep dive into explainations.
Round 3 - Technical 

(2 Questions)

  • Q1. This was an in-office round with questions from DSA, Java and SQL. Questions from many areas are asked with sometimes going deep into a topic. If you are solid with your concepts then it should be fine.
  • Q2. Some of the questions I can remember were in the areas of multithreading, OOPs concepts SOLID principles, design patterns. Method overriding/overloading. Stream api.
Round 4 - Technical 

(2 Questions)

  • Q1. This round had some design and managerial questions. Design a to-do list with DB and api details.
  • Q2. Any instances in your organization where you presented a POC?
  • Ans. 

    Yes, I presented a POC for a new feature in our company's software platform.

    • I conducted research to identify the need for the new feature

    • I developed a prototype to demonstrate the functionality of the feature

    • I presented the POC to stakeholders for feedback and approval

  • Answered by AI
Round 5 - HR 

(1 Question)

  • Q1. This was just a simple discussion where some details about the organisation were given. You can ask your own questions.
Round 6 - Telephonic Call 

(1 Question)

  • Q1. After you successfully clear the rounds, they will ask you to share payslips and related documents. After sharing documents they will call you 2-3 days later for negotiation. They go through your documents...

Interview Preparation Tips

Interview preparation tips for other job seekers - The role I interviewed for was java developer.
The technical round thoroughly goes through many areas of a topic, so make sure you understand the concepts well.

Little bit of DSA should be good.

Associate Software Engineer 2 Interview Questions asked at other Companies

Q1. 1) What is data types in java 2) what is locators 3) Explain the Oops concepts 4) what is overloading and over riding
View answer (1)
Interview experience
1
Bad
Difficulty level
Easy
Process Duration
More than 8 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in Dec 2023. There were 2 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. What are you looking for in the next company/opportunity?
Round 2 - Technical 

(1 Question)

  • Q1. Difficult situation you handled?

Associate Director Interview Questions asked at other Companies

Q1. How will you manage the New location and ramp up the Resourcing as per business requirement
View answer (2)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
-
Result
Selected Selected
Round 1 - Reg reporting 

(2 Questions)

  • Q1. Go through your resume and tell me about yourself
  • Q2. Topics for reg reporting basic questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident good organisation with good work-life balance

Senior Specialist Interview Questions asked at other Companies

Q1. Design the zabbix architecture and share how many servers are you gonna suggest the customer to have?
View answer (1)
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Implement cache

Senior Software Engineer Interview Questions asked at other Companies

Q1. K Largest Elements Problem Statement You are given an integer k and an array of integers that contain numbers in random order. Write a program to find the k largest numbers from the given array. You need to save them in an array and return ... read more
View answer (1)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Jan 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 tips
Round 2 - Screening 

(1 Question)

  • Q1. 15 mins round to quickly check you have worked on java
Round 3 - Coding Test 

2 programs. Implement LRU cache and check two strings are anagrams

Round 4 - Technical 

(1 Question)

  • Q1. Java 8 stream questions. One program. One puzzle.

Interview Preparation Tips

Interview preparation tips for other job seekers - Study java8 and practice popular array and string programs.

Senior Software Engineer Interview Questions asked at other Companies

Q1. K Largest Elements Problem Statement You are given an integer k and an array of integers that contain numbers in random order. Write a program to find the k largest numbers from the given array. You need to save them in an array and return ... read more
View answer (1)

Osttra Interview FAQs

How many rounds are there in Osttra interview?
Osttra interview process usually has 2-3 rounds. The most common rounds in the Osttra interview process are Technical, One-on-one Round and Resume Shortlist.
How to prepare for Osttra interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Osttra. The most common topics and skills that interviewers at Osttra expect are Supply Chain, HTTP, Workflow, Market Intelligence and Analytics.
What are the top questions asked in Osttra interview?

Some of the top questions asked at the Osttra interview -

  1. Any instances in your organization where you presented a P...read more
  2. Promise and callbacks, tell the sequence which runs fir...read more
  3. What is java and datatypes and methods and jdk ...read more

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Osttra Interview Process

based on 12 interviews

Interview experience

3.5
  
Good
View more

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Osttra Reviews and Ratings

based on 50 reviews

3.6/5

Rating in categories

3.2

Skill development

3.9

Work-life balance

3.7

Salary

3.6

Job security

3.5

Company culture

3.1

Promotions

3.3

Work satisfaction

Explore 50 Reviews and Ratings
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