Free ATS Resume Checker for Mainframe Developers
Recruiters hiring mainframe developers screen for COBOL, JCL, CICS and DB2, then for the domain - usually banking, insurance or retail - and the kind of support or development you did. Upload your resume to see how it reads, which mainframe skills it finds, and what to improve before you apply.
By uploading, you agree to our Terms and Privacy Policy. Your CV is saved to a RoleMapr profile under the email in it, and that profile is visible to recruiters - even before you create an account.
Skills recruiters look for in Mainframe Developer resumes
These are the skills RoleMapr looks for when it reads a Mainframe Developer resume. Include the ones you have actually used - and show where you used them, not just in a skills list.
- SQL
- Control-M
- Debugging
- Mainframe
- COBOL
- JCL
- CICS
- DB2
- VSAM
- z/OS
- IMS DB
- TSO/ISPF
- REXX
- Endevor
- ChangeMan
- File-AID
- DFSORT
- RACF
- Abend-AID
- ICETOOL
- JES2
- SDSF
- z/OS Connect
- PL/I
What to highlight at your experience level
Fresher / 0-2 years
Show COBOL, JCL and DB2 basics clearly, with the programs or batch jobs you wrote or changed in training or on a project. Mention tools you have used, such as TSO/ISPF, File-AID or Endevor.
2-5 years
Show the applications you supported and the work you owned - enhancements, abend fixes, batch performance, production support on-call. Name the domain and the client's business area.
5+ years
Show application ownership, design of batch and online flows, modernisation or migration work (APIs over CICS, z/OS Connect, moving to cloud) and the team you led onsite or offshore.
Common Mainframe Developer resume mistakes
- Listing "COBOL, JCL, DB2, CICS, VSAM" with no idea of what the application did or what you changed.
- Leaving out the domain. Banking, cards, insurance and retail mainframe roles often want that background.
- Not separating development from production support. Recruiters hire for both and want to know which you did.
- Ignoring modernisation work. If you have exposed programs as APIs or helped a migration, put it near the top.
- Pasting project details into multi-column tables that ATS software can scramble. Plain bullets are safer.
Weak vs strong resume bullet points
The strong versions say what you did, with which tool, and what changed because of it.
Weak: Fixed abends in production.
Strong: Resolved recurring S0C7 abends in the nightly card settlement batch by adding input validation to two COBOL programs, ending repeat on-call call-outs for that job.
Weak: Worked on batch jobs.
Strong: Reworked a JCL batch stream with DFSORT and parallel steps, bringing the end-of-day run from around 5 hours to 3 and freeing time for downstream reports.
Weak: Developed CICS screens.
Strong: Built 4 CICS online transactions for a policy servicing module, with DB2 updates and VSAM lookups, used by branch staff across the client's insurance operations.
Find Mainframe Developer jobs that match your resume
RoleMapr collects jobs from company career pages and recruiters, ranks them by how well they match your resume, and shows which skills you are missing.
Create a free accountFrequently asked questions
Is there still demand for mainframe developers in India?
Banks, insurers and large retailers still run core systems on mainframes, and many service companies in India support them. Roles often combine maintenance with modernisation, so showing both COBOL skills and some exposure to APIs or cloud helps your resume.
Should a mainframe resume mention tools like Endevor and File-AID?
Yes. Recruiters and clients often list specific tools for change management, file handling and debugging. Name the ones you have actually used, alongside the core languages, so your resume matches those searches.
Is this resume checker free?
Yes. You can upload your resume and see the results without creating an account. If you sign up later with the same email, the full report and your job matches are saved to your profile.
What does the checker look at?
It reads your resume the way an ATS and a recruiter would: the role it fits, your experience level, the skills it finds, and how clearly your work and results come across. You get strengths and areas to improve.
What happens to my resume after I upload it?
It is saved to a RoleMapr profile under the email in your resume, and that profile is visible to recruiters looking for candidates. We email that address a link to remove it at any time. See our Privacy Policy for details.