Established in 2008, Geidea epitomizes customer focused empowerment and commercial success through continuous innovation. Geidea makes best in class digital payment solutions available for all by attracting and leveraging the best creative & entrepreneurial talent in the market
Our solutions give any business the chance to get ahead and reach for more no matter their size or maturity.
Our technology mirrors our people - Smart, Innovative & Forward Thinking

To maintain a competitive advantage as we grow, we are currently looking for a new 'Senior Postilion Integration Engineer'

Job purpose:
Design, implement, and support Postilion payment system integrations in alignment with the organization's payment architecture roadmap. The role focuses on integrating Postilion with external payment networks, banking systems, ATM/POS channels, card management systems, and third-party solutions while ensuring high availability, reliability, and performance of payment services.

Responsibilities:
Design and implement end-to-end integrations on the Postilion payment platform.
Configure and support interfaces between Postilion Realtime, Postilion Office, external hosts, payment networks, and banking systems.
Develop and maintain ISO 8583 message mappings, transaction routing rules, and integration workflows.
Lead integration projects involving ATM, POS, Acquiring, Issuing, and Switching systems.
Analyze business and technical requirements and translate them into scalable integration solutions.
Support certification activities with payment schemes, processors, and external partners.
Troubleshoot transaction, connectivity, and message-formatting issues across payment channels.
Collaborate with Solution Architects and cross-functional teams to ensure integration solutions align with enterprise architecture standards.
Support deployment, SIT, UAT, and production go-live activities.
Provide Level 3 support for critical production incidents and payment-processing issues.
Create and maintain technical documentation, interface specifications, and operational procedures.
Participate in design reviews and recommend improvements to payment integration architecture.
Mentor junior engineers and provide technical guidance on Postilion integrations.

Qualifications:
Bachelor's degree in computer science, Information Technology, Engineering, or a related field.
Minimum 5 years of experience in payments, switching, or financial transaction systems.
Minimum 3 years of hands-on experience with the Postilion product suite (Realtime and Office).
Strong understanding of payment processing architectures and transaction lifecycles.
Experience working in banking, fintech, acquiring, issuing, or payment-switching environments.

Experience in:
Hands-on experience with Postilion Realtime and Postilion Office.
Strong knowledge of ISO 8583 messaging standards and transaction processing.
Experience integrating Postilion with:
ATM Switches
POS Networks
Card Management Systems (CMS)
Core Banking Systems
Payment Gateways
External Payment Processors
Experience configuring transaction routing, authorization, settlement, and reconciliation processes.
Strong SQL and database troubleshooting skills.
Knowledge of TCP/IP networking, secure communication protocols, and host connectivity.
Experience with certification testing and end-to-end transaction validation.
Understanding of payment industry standards including EMV and PCI-DSS.
Strong troubleshooting, analytical, and problem-solving skills.
Our values guide how we think and act - They describe what we care about the most
C ustomer first - It's embedded in our design thinking and customer service approach
O pen - Openness allows us to constantly improve and evolve
R eal - No jargon and no excuses!
B old - Constantly challenging ourselves and our way of thinking.
R esilient – If we fail, we bounce back stronger than before.
C ollaborative - We know that we can achieve a lot more as a team.
We are changing lives by constantly striving for a better solution.

Senior Hardware Integration Engineer

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