Senior BASEApplication Support Engineer - Cards

Position: Senior BASE24 Application Support Engineer - Cards and Payments
Senior BASE
24 Application Support Engineer
- Cards and Payments

Role:
Senior BASE
24 Application Support Engineer

- Location:

Abu Dhabi, United Arab Emirates
- Industry: I T and Services
- Function:
Systems Support

- Experience:

8-10 years
- Job Type: Full Time
- Work Arrangement:
On-site

Dicetek LLC is seeking an experienced Senior BASE
24 Application Support Engineer to support mission-critical Cards and Payments technology platforms in Abu Dhabi, United Arab Emirates. The role focuses on production support, Site Reliability Engineering (SRE), payment switching, transaction processing, database troubleshooting and operational resilience across high-volume banking payment environments. The successful candidate will have strong hands-on experience with BASE
24 Classic and/or BASE
24-eps, ATM acquiring, debit card authorization, POS and e-commerce switching, and integrations with Visa, Mastercard and UAE Switch. Candidates should have 8-10 years of relevant experience in banking and payments technology, including a minimum of 5 years supporting BASE
24 or BASE
24-eps platforms. Strong SQL expertise across Microsoft SQL Server, Oracle and PostgreSQL, combined with knowledge of ISO
8583 messaging, payment security and 24x7 production operations, is essential.

Job Details

Country:
United Arab Emirates

City:
Abu Dhabi

Industry: I T and Services

Function:
Systems Support

Salary:
Not disclosed

Gender: No Preference

Candidate Nationality:
Not specified

Job Type: Full Time

Work Arrangement:
On-site

Key Responsibilities BASE
24 Payment Switching and Application Support

• Provide technical and functional production support for BASE
  24 Classic and/or BASE
  24-eps payment switching platforms.
• Support ATM acquiring, debit card authorization, POS transactions and e-commerce payment switching.
• Investigate authorization failures, transaction routing issues and payment processing exceptions.
• Support BASE
  24 switch configuration, network interfaces and settlement processing.
• Analyse transaction flows across card issuing, acquiring and payment switching systems.
• Troubleshoot integration issues involving payment networks, card schemes and connected banking applications.
• Maintain reliable operation of high-volume, business-critical payment switching environments.

Cards and Payments Operations

• Support the end-to-end card transaction lifecycle, including authorization, clearing, settlement and reconciliation.
• Investigate issues involving ATM transactions, debit cards, POS terminals and e-commerce payments.
• Analyse EMV and contactless payment processing requirements.
• Support chargeback and dispute-related transaction investigations.
• Investigate transaction discrepancies affecting payment processing and settlement.
• Apply knowledge of tokenization and 3-D Secure within card payment environments.
• Collaborate with relevant teams to resolve operational and technical payment processing issues.

Payment Messaging and Scheme Integration

• Analyse ISO
  8583 messages and transaction processing flows.
• Investigate payment authorization requests, responses and transaction routing issues.
• Support integrations involving Visa, Mastercard and UAE Switch.
• Troubleshoot payment scheme connectivity and transaction processing failures.
• Support technical activities associated with payment scheme integrations and certifications.
• Analyse network interfaces and payment message exchanges between integrated systems.
• Coordinate with payment schemes, vendors and internal technical teams during issue investigation and resolution.

Database Development and Transaction Analysis

• Perform advanced SQL analysis and troubleshooting using Microsoft SQL Server, Oracle and PostgreSQL.
• Develop complex SQL queries, stored procedures, functions and database views.
• Analyse authorization transactions, settlement…