We are seeking an experienced Mainframe Developer with strong expertise in Cardlink systems to design, develop, enhance, and maintain payment processing applications. The ideal candidate will have a solid understanding of mainframe technologies and hands-on experience working with Cardlink for credit/debit card transaction processing.
Key Responsibilities- Develop, enhance, and maintain mainframe applications using COBOL, JCL, CICS, and DB2.
- Work on Cardlink modules for card issuance, authorization, settlement, chargeback, and reconciliation processes.
- Analyze business requirements and translate them into technical specifications.
- Perform system analysis, coding, unit testing, integration testing, and support for production systems.
- Troubleshoot and resolve application issues within SLA timelines.
- Participate in code reviews and ensure compliance with coding standards and best practices.
- Collaborate with business analysts, QA teams, and other stakeholders for smooth project delivery.
- Create and maintain technical documentation.
- Provide production support during business and non-business hours when needed.
- 5+ years of experience in Mainframe development.
- Strong hands-on skills in COBOL, JCL, CICS, DB2, VSAM.
- Proven working experience with Cardlink application modules and payment domain processes.
- Knowledge of ISO 8583 messaging standards and transaction switching is a plus.
- Experience in debugging, performance tuning, and production support.
- Familiarity with SDLC methodologies (Agile/Waterfall).
- Good communication and problem-solving skills.
- Exposure to other payment systems (Base24, VisionPLUS, FIS, etc.).
- Knowledge of batch and online transaction processing.
- Understanding of PCI DSS and other payment security standards.
Top Skills
What We Do
Unison Consulting was launched in Singapore on September 2012, the hub of the financial industry, with innovative visions in the technocratic arena. We are a boutique next-generation Technology Company with strong business-interests in Liquidity risk, Market Risk, Credit Risk and Regulatory Compliance.
Unison provides technology consulting and services to implement Risk Management and Risk Analytics System for Financial Institutions. Our services suite comprises of Techno-Functional consulting, systems integration, Business Intelligence, information management, and custom development of IT solutions, plus project management expertise for financial institutions.
We have expertise in latest cutting edge technology to achieve better total cost of ownership. Through our qualified professionals, we assist you drive your unique risk management strategies, whether that means efficient monitoring, improving risk appetite of the financial institutions, complying with regulations, or capturing growth opportunities through innovation, this is what maximizes your decision taking potential. At Unison Consulting, we view clients as partners, and our success is only measured by the success of our partners. So we put it all on the table in order to exceed expectations.
Our staff consists of young, energetic and innovative consultants who are never afraid to challenge the conventions and push the boundaries in an effort to help our clients. For every project, no matter how large or how small, we strive to not only meet your needs, but deliver a showcase in your field
