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Deutsche Telekom Digital Labs Software Developer Interview Questions and Answers

Updated 11 Nov 2024

Deutsche Telekom Digital Labs Software Developer Interview Experiences

2 interviews found

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Core Java , DS and Algo

Round 2 - Technical 

(2 Questions)

  • Q1. LLD Spotify only structure
  • Q2. Shortest path algorithm
  • Ans. 

    Shortest path algorithm finds the shortest path between two nodes in a graph.

    • Dijkstra's algorithm is a popular shortest path algorithm that uses a priority queue to find the shortest path in a weighted graph.

    • A* algorithm is another popular shortest path algorithm that uses heuristics to guide the search towards the goal node.

    • Bellman-Ford algorithm is used for finding the shortest path in a graph with negative edge weig

  • Answered by AI
Round 3 - HR 

(2 Questions)

  • Q1. Reason for the change
  • Q2. What you bring to the table

Skills evaluated in this interview

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

I applied via Referral and was interviewed before Jun 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Start of The Loop in LinkedList.
Length of Loop in LinkedList

Round 2 - Case Study 

API Contract for Notification sending via SMS and Email

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Interview questions from similar companies

I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Questions on Java,SQL,some trending technologies(IOT,Big data),pattern questions, programming questions with different approaches.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basics of DSA, have knowledge about the databases, some common dml ,ddl statements, programming knowledge of a particular language like C,Java, python,etc...have good command on oops concepts... little bit of frameworks knowledge will also help

I applied via Newspaper Ad and was interviewed before Jun 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 
Round 2 - Technical 

(1 Question)

  • Q1. Basic questions of java.
Round 3 - HR 

(1 Question)

  • Q1. Intro and other hr related questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Cover the basic questions regarding the programming language.

I applied via Referral and was interviewed before Apr 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

Puzzles, Psychometric Test

Round 2 - One-on-one 

(1 Question)

  • Q1. Some water in 3 Jars question, you had to measure out 5L correctly

Interview Preparation Tips

Interview preparation tips for other job seekers - Make the interview interactive, I got this input from another Senior. Before i went into the interview room the volunteers were telling all those who goes into Room No 1 is screwed. I was praying i don't get room no 1. But fortunately for me I got room no 1 because when the interviewer gave me the puzzle and handed over pen and paper he went back to relax his posture and when i explained i will fill the 5L Jar first, he immediately came forward to listen to me, at that moment i knew i got the job because i felt the previous candidates never made their interview interactive and that's why he went back to relax his posture.

I applied via Company Website and was interviewed before Jun 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

First round was coding as well as aptitude done together went well I guess focusing on codes helps a lot.

Round 2 - Technical 

(1 Question)

  • Q1. 2nd round included tr and mr round went quite enegritic

Interview Preparation Tips

Interview preparation tips for other job seekers - Resume skills matters a lot don't fill resume the technologies you don't even aware of

I was interviewed in Sep 2016.

Interview Questionnaire 

3 Questions

  • Q1. Tell me about yourself
  • Ans. 

    I am a passionate software developer with experience in Java, Python, and web development.

    • Experienced in Java, Python, and web development technologies

    • Strong problem-solving skills and ability to work in a team

    • Completed multiple projects including a web-based inventory management system

  • Answered by AI
  • Q2. Simple coding questions..Basically pattern.
  • Q3. And also they will ask about your projects.

Interview Preparation Tips

Round: Test
Experience: 60 multiple choice questions so have to manage time carefully.
Tips: Have to give equal importance to all the sections..So try to do well in all section.
Duration: 1 hour 30 minutes
Total Questions: 60

Round: Technical + HR Interview
Experience: Don't panic...Only write those things that you know in your resume.

Skills: Smart Coding
College Name: Jaypee Institute Of Information Technology, Noida

I was interviewed in May 2017.

Interview Preparation Tips

Round: Test
Total Questions: 20

Round: Group Discussion
Duration: 1 hour

Skills: Coding Skills And Knowledge On Data Structures

I was interviewed in Jun 2017.

Interview Preparation Tips

Round: Test
Duration: 1 hour 30 minutes

Skills: Engineering Basics

I was interviewed in May 2017.

Interview Preparation Tips

Round: Group Discussion
Duration: 7 hours

College Name: Andhra university
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Deutsche Telekom Digital Labs Interview FAQs

How many rounds are there in Deutsche Telekom Digital Labs Software Developer interview?
Deutsche Telekom Digital Labs interview process usually has 3 rounds. The most common rounds in the Deutsche Telekom Digital Labs interview process are Coding Test, Resume Shortlist and Technical.
What are the top questions asked in Deutsche Telekom Digital Labs Software Developer interview?

Some of the top questions asked at the Deutsche Telekom Digital Labs Software Developer interview -

  1. Shortest path algori...read more
  2. LLD Spotify only struct...read more

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Deutsche Telekom Digital Labs Software Developer Interview Process

based on 2 interviews

Interview experience

3.5
  
Good
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Deutsche Telekom Digital Labs Software Developer Salary
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₹8.1 L/yr - ₹27.5 L/yr
103% more than the average Software Developer Salary in India
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3.0/5

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3.2

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3.4

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Job security

2.7

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