Capgemini
Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Your Role We are hiring BASE24-eps developers with hands-on experience in building interfaces. The ideal candidate has experience in developing and implementing Base24-eps interfaces including Mastercard interface, scheme updates, BIN changes, authorization enhancements, EMV updates, and compliance-driven system modifications. • Develop, enhance, and maintain BASE24-eps applications for new interface development including Mastercard interface. • Development involves building new interfaces for authorization, switching, routing, and settlement. • Implement Visa, Mastercard, Amex, or other card scheme mandates, and ensure compliance across system components. • Integrate, test, and support payment interfaces (ISO8583, host interfaces, third-party processors, gateways, fraud systems). • Examine scheme bulletins and translate requirements into technical changes within BASE24-eps modules. • Troubleshoot authorization issues, transaction declines, routing faults, and system-level processing errors. • Support end-to-end testing: certification testing, mandate validation, regression cycles, and cutover activities. • Coordinate with cross-functional teams: QA, infrastructure, production support, and client stakeholders. • Prepare technical documentation, release notes, and deployment procedures as needed. Your Profile • 6+ years of hands-on experience with BASE24-eps (AFT, OLF, ONL, TLF modules, device handlers, and related components). • Strong experience implementing card scheme mandates (Visa, Mastercard, Amex, JCB, Discover, etc.). • Solid understanding of payment message formats, including: o ISO 8583 o Proprietary scheme formats o Host Interface specifications o APIs • Proficiency in C++, Mainframe, Linux, MQ or XPNET • Experience in real-time transaction systems and high-throughput payment platforms. • Knowledge of authorization flows, EMV processing, issuer/acquirer concepts, interchange processing, and settlement. • Strong analytics and debugging skill with ability to trace complex transaction paths. • Ability to work independently in distributed and remote teams. • Excellent communication skill for interacting with scheme partners and client stakeholders. Preferred Qualifications • Experience with mandate certification, scheme migrations, or large-scale mandate rollouts. • Knowledge of POS, ATM, eCommerce, or tokenization transaction flows. What you'll love about working here We offer a range of career paths and internal opportunities within Capgemini group. You will get comprehensive wellness benefits including health checks, telemedicine, insurance with top-ups, elder care, partner coverage or new parent support via flexible work. At Capgemini, you can work on cutting-edge projects in tech and engineering with industry leaders or create solutions to overcome societal and environmental challenges. Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organizations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2024 global revenues of €22.1 billion. Make it real | www.capgemini.com