Senior Software Engineer - Base24-eps

Senior Software Engineer - Base24-eps

GSSTech Group · Bengaluru, India · — · Posted 2026-05-21

Workplace: on_site

Description

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.

Apply

Apply at GSSTech Group

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