- Mainframe Developer - Pittsburgh, PA
- Location:- Pittsburgh, PA (5 days client office mandatory)
- Overall 10+ years exp
- Domain:- Banking
JD
We are looking for an experienced of Mainframe professional and strong credit card domain expertise and hands-on exposure to Fiserv platforms, preferably VisionPLUS / First Data card processing environments. The ideal candidate will have deep experience in designing, developing, enhancing, and supporting high-volume card processing applications on IBM mainframe, with strong knowledge of the end-to-end credit card lifecycle including authorization, billing, disputes, collections, and settlement.
Required Skills & Qualifications
- 8+ years of experience in Mainframe development/support with strong hands-on expertise in COBOL, JCL, CICS, DB2, and VSAM.
- Strong experience in the credit card / payments domain.
- Prior experience working with Fiserv, preferably on VisionPLUS / First Data card processing platforms.
- Good understanding of card lifecycle processes including account onboarding, transaction processing, authorization, billing, payments, disputes, fraud, and collections.
- Experience with online and batch processing in high-volume transaction environments.
- Strong knowledge of IBM mainframe tools such as TSO/ISPF, File-AID, Endevor/Changeman, SORT utilities, and scheduling tools like Control-M / CA7.
- Experience in production support, incident analysis, defect resolution, and performance tuning.
- Ability to work closely with business stakeholders and convert business requirements into technical design.
- Strong analytical, problem-solving, and communication skills.
- Bachelor s degree in Computer Science, Information Systems, Engineering, or related field.
Key Responsibilities
- Design, develop, enhance, and maintain mainframe applications supporting credit card processing and servicing.
- Work on card management functions such as account setup, authorizations, transactions, billing, statements, payments, disputes, chargebacks, collections, and settlement.
- Support and customize Fiserv / VisionPLUS modules based on business requirements and regulatory needs.
- Analyze functional and technical requirements and translate them into effective mainframe solutions.
- Develop and support batch and online processes using COBOL, JCL, CICS, DB2, and VSAM.
- Perform impact analysis, code reviews, unit testing, system testing, and production support.
- Troubleshoot production issues, optimize performance, and ensure system stability for high-volume transaction processing.
- Collaborate with business analysts, product owners, QA teams, and upstream/downstream system teams for end-to-end delivery.
- Participate in release planning, deployment support, and post-production validation.
Prepare technical documentation, design specifications, and support knowledge transition