Application services
Application Services

Mainframe expertise for the systems

banks, insurers & automakers run on.

Core banking, payments, policy administration, claims, and auto finance still live on the mainframe — because they can’t afford to fail. We build, maintain, and automate those applications with deep hands-on expertise across the full z/OS stack.

 
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Explore capabilities
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3
Banking · Insurance · Automobile focus
z/OS
Native core-systems platform
24×7
Batch & online production support
7+
Languages & subsystems supported
z/OS System Programming
CICS System Programming
IMS Support
Db2 Administration
MQ Support
Z Modernization & AIOps
Domain focus

Built around banking, insurance & automotive workloads

We don’t just know the technology — we know the systems it runs. Our teams map mainframe capabilities directly onto the transaction flows that matter most across these industries.

Banking

Applications behind accounts, ledgers, and money movement — where accuracy, throughput, and uptime are non-negotiable.

  • Core banking & account processing
  • Deposits, general ledger & payments
  • Card authorization & settlement
  • Loan & interest servicing
  • Statements & regulatory reporting

Insurance

Applications that manage the full policy lifecycle — from quote and issue through claims, renewals, and reconciliation.

  • Policy administration systems
  • Premium calculation & billing
  • Claims processing & settlement
  • Underwriting & rating logic
  • Actuarial & reinsurance batch

Automobile

Applications behind captive auto finance and the systems that keep dealers, parts, and production moving at scale.

  • Auto loan & lease origination/servicing
  • Dealer management & floor-plan finance
  • Warranty, recall & claims processing
  • Parts inventory & supply chain
  • Manufacturing & production scheduling
What we deliver

End-to-end mainframe application engineering

The same core capabilities power every banking, insurance, and automotive workload above — development and maintenance, data, online transactions, and operational automation.

 

SVC ▸ APP-DEV

Application Development & Maintenance

New development, enhancements, defect resolution, refactoring, and long-term production support for core FSI applications.

  • COBOL, PL/1 and Assembler development
  • Batch and online program design & coding
  • Enhancement, break-fix and remediation
  • Impact analysis, testing & documentation
COBOL
PL/1
JCL
Assembler

SVC ▸ DATA

Database Engineering

Design, development, and tuning of the relational and hierarchical databases that hold account, policy, and claims data.

  • DB2 data modeling, SQL & stored procedures
  • IMS/DB (DL/I) database design & access
  • Performance tuning & query optimization
  • Utilities, backup, recovery & reorg support
DB2
IMS/DB
SQL
DL/I

SVC ▸ OLTP

Online Transaction Processing

Responsive online applications on the transaction managers that handle payment authorizations, teller, dealer, and servicing volumes.

  • CICS transaction & screen (BMS) development
  • IMS/DC message processing & MFS screens
  • Region, resource & integration management
  • Online-to-batch and cross-system flows
CICS
IMS/DC
BMS
MFS

SVC ▸ AUTOMATE

Operations & Automation

REXX and CLIST automation that streamlines nightly cycles, reconciliations, and the repetitive operational tasks FSI shops run daily.

  • REXX / CLIST scripting for operational tasks
  • Automation of repeated & scheduled activities
  • Housekeeping, monitoring & reporting utilities
  • Developer productivity & ISPF tooling
REXX
CLIST
TSO/ISPF
Why VRNeXGen

Scarce skills for regulated, mission-critical systems

Banking and insurance mainframes carry regulatory weight and zero tolerance for downtime. We pair seasoned engineering with disciplined delivery to keep those core systems dependable.

 

Domain + platform depth

Engineers who understand both the mainframe and the FSI processes it runs — so changes land with context, not guesswork.

Less operational toil

REXX and CLIST automation takes the manual effort out of nightly cycles, reconciliations, and routine operations.

Reliability & auditability

Careful impact analysis, testing, and documentation protect stability and support your compliance obligations.

IT Delivery Head
    IT Delivery Head

    Captive Auto Finance · Mainframe Applications

    VRNeXGen's team knew our mainframe estate as well as we did. They stabilized our auto finance and dealer applications, and their REXX automation took our nightly reconciliation from hours of manual work down to a hands-off batch run.

    Why VRNeXGen

    Put a seasoned mainframe team behind your core banking, insurance & automotive systems.

     

    Tell us about your application landscape — core platforms, databases, transaction volumes, and the tasks you’d like to automate — and we’ll map out how we can help.

    Talk to our team