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OSlash Backend Developer Interview Questions and Answers

Updated 20 Dec 2021

OSlash Backend Developer Interview Experiences

1 interview found

I applied via Company Website and was interviewed in Nov 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Tell me about yourself ?
  • Ans. Seems an ordinary question as usual but It wasn't I actually got more than 1/2 hr to talk about me my skills, my goals, my techstack and Team was super awesome! They were supportive at every point!
  • Answered Anonymously

Interview Preparation Tips

Interview preparation tips for other job seekers - It was truely nice and It was a task based assignment for me building an Oslash clone and loved doing it and post assignment call I got to talk to Ganesh Sir who showed me ways to optimise code learnt few techniques which I never saw before around AWS and So! The team and Ankit is Awesome too! They don't make you feel like an applicant but rather help you feel comfortable It is really nice to Interview here :)

Interview questions from similar companies

I was interviewed in Nov 2021.

Interview Questionnaire 

3 Questions

  • Q1. Simple OOPS Concepts
  • Q2. Java Coding Question on queue implementation. Pattern printing.
  • Q3. Asked about projects - concepts related to that.

Interview Preparation Tips

Interview preparation tips for other job seekers - Go over the simple basics of Java or any programming language.

I applied via Company Website and was interviewed in Aug 2022. There were 2 interview rounds.

Round 1 - Phone Screening 

(4 Questions)

  • Q1. Basic questions on Java - Collections, Object Class
  • Q2. Basic questions on REST - Various HTTP methods, Difference between PUT and PATCH
  • Q3. Give deets about the project mentioned on the resume
  • Ans. 

    The project mentioned on the resume is a web application for managing inventory and sales.

    • Developed using Java and Spring framework

    • Implemented RESTful APIs for CRUD operations

    • Integrated with a relational database for data storage

    • Implemented authentication and authorization using Spring Security

    • Used front-end technologies like HTML, CSS, and JavaScript for the user interface

  • Answered by AI
  • Q4. Why do you want to switch
  • Ans. 

    I want to switch because I am looking for new challenges and opportunities to grow as a backend Java developer.

    • Seeking new challenges and opportunities

    • Wanting to expand my skills and knowledge as a backend Java developer

    • Looking for a company with a strong backend development team

    • Desire to work on larger and more complex projects

    • Wanting to contribute to the development of innovative solutions

  • Answered by AI
Round 2 - Coding Test 

Platform - HR
Question - Sort array based on frequency and then value

REST - Various HTTP methods, Idempotency
Java - Threading, Diamond Problem
OOP - Abstract class vs Interface - when to use what and why

What is a cache and why do we use it

What happens when you enter a URL in the browser

Interview Preparation Tips

Topics to prepare for Rocketlane Backend Java Developer interview:
  • Java
  • Backend
  • Rest
  • System Design
  • OOP
Interview preparation tips for other job seekers - Stick to basics
You should know everything you've mentioned in your resume

I was interviewed in Nov 2021.

Interview Questionnaire 

3 Questions

  • Q1. Simple OOPS Concepts
  • Q2. Java Coding Question on queue implementation. Pattern printing.
  • Q3. Asked about projects - concepts related to that.

Interview Preparation Tips

Interview preparation tips for other job seekers - Go over the simple basics of Java or any programming language.

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