Senior Software Engineer - Base24-eps

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.