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Diebold Nixdorf Software Engineer Trainee Interview Questions and Answers

Updated 18 Mar 2022

Diebold Nixdorf Software Engineer Trainee Interview Experiences

3 interviews found

I applied via Referral and was interviewed before Mar 2021. There were 3 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 - Aptitude Test 

Aptitude + coding test,very very hard dp question from codeforces.

Round 3 - Technical 

(1 Question)

  • Q1. They tested me on every on thing,like standard DS(stack from queue nd viceversa,BST,BS) and Algo(no code,only intuition),DBMS/OS/OOPs/SDLC.

Interview Preparation Tips

Interview preparation tips for other job seekers - In 2020 i applied,keep all your concept clear(DS Algo,core subjects).

Interview Preparation Tips

Round: Test
Experience: Genral Aptitude test was conducted.
Tips: Some material like RS Agarwal etc to brush up on general aptitude papers might be useful.

General Tips: It was an interesting and challenging experience. I managed to convey to them my career goals and my areas of experience and I got responses that were mutually beneficial .
General Aptitude and also brush up on the basics of all the subjects of your branch, if possible. They will ask you C and assembly questions also.
Skill Tips: Be Confident. Try to direct the interview into your areas of familiarity. Try to give many ideas for different projects. Backup your answers with real life experiences (makes it more credible). Ask them questions also concerning your future goals and how you can achieve them at the company and questions based on the PPT.
Skills:
College Name: NIT Surathkal

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Interview Preparation Tips

Round: Test
Experience: Had questions on basic and c aptitude.

Round: Technical Interview
Experience: Questions covering OOPS(Important),OS,DS and couple of puzzles (Preparation of common puzzle's are enough) Knowing about encryption and decryption, and some algo's on that area are advantages.This interview is all about Application of DS, like why and when to use hash tables etc

Round: HR Interview
Experience: General strength and weakness etc was asked.

General Tips: Preparation is the key, Know DSA and OS, they are very important. If you have location as one of the important preference then hold your nerve, Companies will come, Wait and play .Don't lead the interviewer to the areas you are not sure about. Most of them usually follow you .
I got rejected at Microsoft and Oracle (Server Tech). Microsoft interview is little different though They have habit of asking different questions,Just Google you might get some idea. Be prepared it will be surprise. but don't panic that's where ppl go wrong . . try to give best solution for space and time .You can incrementally solve the problem . . approaches are important . . For oracle server tech OS is very important.They ask questions based on your interest area.Be good with your areas . Study basics of OOPS clearly Learn DSA and OS also
Skills:
College Name: NIT Surathkal

Interview questions from similar companies

I applied via Naukri.com

Interview Questionnaire 

1 Question

  • Q1. About experience into relavant technology, what all technical side you have worked upon

Interview Preparation Tips

Interview preparation tips for other job seekers - There were 5 rounds, 3 internal(technical) 1 HR and 1 client. Process can be long and tedious.
First two rounds were average in my case , while 3rd round(technical) was long and intensive, and covered most aspect of the technology I was interviewed for

I applied via Naukri.com and was interviewed before Jul 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Technical experience related to automation testing

Interview Preparation Tips

Interview preparation tips for other job seekers - Very good company to learn

I appeared for an interview in Jun 2017.

Interview Questionnaire 

1 Question

  • Q1. Questions related to core java, advanced java, programs,

Interview Preparation Tips

Round: Technical + HR Interview
Experience: Previous work experience scenarios based questions

I applied via Naukri.com and was interviewed before Apr 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. First round was online test then 1 f2f round and last round was hr round

Interview Preparation Tips

Interview preparation tips for other job seekers - it was average interview

I applied via Referral and was interviewed before Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Cobol Programming

Interview Preparation Tips

Interview preparation tips for other job seekers - Very technical, indepth into programming, DB2 and CICS

I applied via Naukri.com and was interviewed before Feb 2021. There were 2 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 - Technical 

(1 Question)

  • Q1. About technical what your role is

Interview Preparation Tips

Interview preparation tips for other job seekers - Nothing all good, but poor team management

Interview Questionnaire 

5 Questions

  • Q1. Cte vs temp table
  • Ans. 

    CTE and temp tables are used to store intermediate results in SQL queries.

    • CTE stands for Common Table Expression and is defined within a query.

    • Temp tables are created in the tempdb database and can be accessed across sessions.

    • CTEs are generally faster and more readable than temp tables.

    • Temp tables are useful for complex queries with multiple steps or when data needs to be manipulated.

    • CTEs are useful for recursive queri

  • Answered by AI
  • Q2. Parameter sniffing
  • Q3. Asynchronous programming in .net
  • Ans. 

    Asynchronous programming in .NET allows for non-blocking execution of code, improving performance and responsiveness.

    • Async and Await keywords used to implement asynchronous programming

    • Allows for parallel execution of multiple tasks

    • Improves performance and responsiveness of applications

    • Examples include web applications, file I/O operations, and database queries

  • Answered by AI
  • Q4. Threading in .net
  • Ans. 

    Threading in .NET allows for concurrent execution of code, improving performance and responsiveness.

    • Threading allows for multiple threads of execution to run concurrently

    • Thread class is used to create and manage threads

    • Thread synchronization is important to prevent race conditions and deadlocks

    • Async/await is a newer approach to concurrency in .NET

    • TPL (Task Parallel Library) provides higher-level abstractions for concur

  • Answered by AI
  • Q5. Performance tuning of SQL stored procedure
  • Ans. 

    Performance tuning of SQL stored procedure involves optimizing query execution time and reducing resource usage.

    • Identify and optimize the most resource-intensive queries

    • Use appropriate indexing and partitioning techniques

    • Minimize network round trips and data transfers

    • Avoid using cursors and temporary tables

    • Use query hints and plan guides to influence query execution plan

    • Regularly monitor and analyze query performance u...

  • Answered by AI

Skills evaluated in this interview

Diebold Nixdorf Interview FAQs

How many rounds are there in Diebold Nixdorf Software Engineer Trainee interview?
Diebold Nixdorf interview process usually has 3 rounds. The most common rounds in the Diebold Nixdorf interview process are Resume Shortlist, Aptitude Test and Technical.

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