Mainframe Developer Interview Questions


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Tech Mahindra
Mainframe Developer was asked...February 28, 2023

- Why do you wish to stay as a Developer, after 20 years of experience. Why are you not a Delivery Manager yet? - Difference between Unit Testing and System Testing - What is Ironstream for Splunk and Do I have any experience with the same.

Levi, Ray and Shoup

did you have experience in VTAM


They asked so many technical questions and looking forward to learn some new skills with this role.


what is the difference between XCTL/LINK and if GO BACK statement is there in XCTL then control will come back to Main module ?

1 Answers

XCTL control will not come back if you want to refer back you should choose link statement . EVEN you mention Go Back control will not come back Less


How to bypass JCL step


Dynamic Vs Static call ? Peform ? Comp 1 vs 3?

1 Answers



How do you feel about the Mainframe course? Where do you see yourself in 5 years

Tata Consultancy Services

1.How to handle DR 2.Zconnect 3.SDLC

JPMorgan Chase & Co

One question related Global temporary tables


Vision plus cms and its behind process, Easytrives and file mod using it

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