Senior Software Engineer - Base24-eps
GSSTech Group
- Seniority
- Senior
About the role
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.
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