Senior Tandem Base24 Tester – Banking & Card Certifications

Compunnel, Inc.; Berkeley Heights (NJ); On-site; USD 90,000 - 120,000; Full time

Job summary

A financial services provider is seeking an experienced Tandem Tester to perform testing and certification processes on the Tandem Base24 platform. The ideal candidate should have 8–10 years of experience in the banking and cards domain, a deep understanding of credit card switch authorization, and strong analytical skills. Responsibilities include validating ISO 8583 message formats, conducting scheme certifications with major credit card companies, and collaborating with teams to ensure successful certification. Excellent communication skills are essential for this role.

Qualifications

• 8–10 years of experience in banking and cards domain.
• Deep understanding of Credit Card Switch Authorization platforms and transaction flows.
• Strong knowledge of ISO 8583 message formats.
• Hands-on experience in testing on Tandem Base24 platform.
• Excellent analytical skills for debugging and issue resolution.

Responsibilities

• Perform testing on Tandem Base24 platform for credit card switch authorization systems.
• Validate and troubleshoot ISO 8583 message formats and fields.
• Conduct scheme certifications with Visa, MasterCard, and Amex (preferred).
• Collaborate with internal teams and external clients to ensure smooth certification processes.
• Utilize ICC tools for testing and debugging during merchant certification.
• Maintain detailed documentation of test cases, results, and issue resolutions.

Skills

Expertise in banking and cards domain

Hands-on experience with Tandem Base24 platform

Understanding of ISO 8583 message formats

Analytical and communication skills

Tools

ICC tools

Job description

A financial services provider is seeking an experienced Tandem Tester to perform testing and certification processes on the Tandem Base24 platform. The ideal candidate should have 8–10 years of experience in the banking and cards domain, a deep understanding of credit card switch authorization, and strong analytical skills. Responsibilities include validating ISO 8583 message formats, conducting scheme certifications with major credit card companies, and collaborating with teams to ensure successful certification. Excellent communication skills are essential for this role.