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

• Design, develop, and maintain Base24-eps payment switch applications and interfaces.
• Implement and support ISO8583, EMV, POS, and ATM transaction flows.
• Develop solutions using:
• TACL
• TAL
• SCOBOL
• COBOL
• C/C++
• Troubleshoot production issues and provide permanent resolutions.
• Perform performance tuning, system optimization, and capacity planning.
• Support platform upgrades, migrations, and modernization initiatives.
• Collaborate with QA, DevOps, and Infrastructure teams for smooth production releases.
• Ensure adherence to security, compliance, and audit standards.

Required Skills & Experience

• 5–12 years of experience in Base24-eps development and support.
• Strong expertise in HP NonStop/Tandem systems.
• Deep understanding of:
• ISO8583
• EMV
• POS/ATM transaction processing
• Payment switching systems
• Experience integrating with:
• Card schemes
• Host banking systems
• Third-party payment processors
• Strong debugging, troubleshooting, and production support skills.
• Experience with performance tuning and high-availability systems.
• Familiarity with CI/CD pipelines and deployment automation.
• Excellent communication and stakeholder management skills.

Preferred Skills

• Experience with Base24 Classic or other payment switch platforms.
• Exposure to:
• HSMs
• Tokenization
• Fraud detection systems
• Risk engines
• Knowledge of cloud-based payment architectures.
• Prior experience working with banking or financial services clients is preferred.

Suitable candidates with strong Base24-eps and Tandem experience are highly preferred.