We are looking for an experienced Senior Software Engineer – Base24-eps Switch Developer to join a high-performing payments engineering team supporting enterprise banking and financial platforms. The ideal candidate will have strong expertise in Base24-eps payment switch development, real-time transaction processing, and HP NonStop/Tandem environments.
This role involves designing, enhancing, optimizing, and supporting mission-critical payment switch systems operating in highly available production environments.
Requirements
Key Responsibilities
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Design, develop, and maintain Base24-eps payment switch applications and interfaces.
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Implement and support ISO8583, EMV, POS, and ATM transaction flows.
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Develop solutions using:
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TACL
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TAL
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SCOBOL
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COBOL
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C/C++
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Troubleshoot production issues and provide permanent resolutions.
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Perform performance tuning, system optimization, and capacity planning.
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Support platform upgrades, migrations, and modernization initiatives.
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Collaborate with QA, DevOps, and Infrastructure teams for smooth production releases.
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Ensure adherence to security, compliance, and audit standards.
Required Skills & Experience
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5–12 years of experience in Base24-eps development and support.
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Strong expertise in HP NonStop/Tandem systems.
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Deep understanding of:
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ISO8583
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EMV
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POS/ATM transaction processing
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Payment switching systems
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Experience integrating with:
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Card schemes
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Host banking systems
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Third-party payment processors
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Strong debugging, troubleshooting, and production support skills.
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Experience with performance tuning and high-availability systems.
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Familiarity with CI/CD pipelines and deployment automation.
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Excellent communication and stakeholder management skills.
Preferred Skills
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Experience with Base24 Classic or other payment switch platforms.
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Exposure to:
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HSMs
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Tokenization
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Fraud detection systems
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Risk engines
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Knowledge of cloud-based payment architectures.
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Prior experience working with banking or financial services clients is preferred.
Suitable candidates with strong Base24-eps and Tandem experience are highly preferred.
