Senior Application Stability Engineer - Cards & Payments

OPTIMUM SOLUTIONS (SINGAPORE) PTE LTD; Singapore; Presencial; SGD 120.000 - 180.000; Jornada completa

Descripción de la vacante

OPTIMUM SOLUTIONS (SINGAPORE) PTE LTD is seeking an experienced technical support Engineer to join our Singapore team supporting a premier banking client in the Cards & Payments domain.

You will drive stability, monitor systems, and troubleshoot across Linux, databases, and middleware, while delivering automation to reduce incidents and accelerate deployments. The role requires strong problem-solving skills and the ability to perform under pressure.

Formación

• 6+ years of experience in L3 application support, production operations, or system administration.
• Strong Cards and Payments domain background or familiarity (VisionPLUS / Cardlink is a plus).
• Proficiency in Linux/Unix, SQL debugging, and REST APIs.
• Experience with event-driven architectures, microservices, and CI/CD toolsets.
• Ability to manage high-pressure incident resolutions independently.

Responsabilidades

• Drive application stability and environment management across Development, SIT, UAT, and Mock Run.
• Perform proactive system health monitoring, capacity tracking, and batch cycle support with Geneos and Splunk.
• Troubleshoot end-to-end issues spanning Linux/Unix (RHEL), JBoss, Oracle/PostgreSQL, and network layers.
• Write automation scripts in Python, Java, and Shell to improve operational efficiency.
• Manage seamless release implementations, deployments, and certificate/patch updates.

Conocimientos

Linux/Unix

SQL debugging

REST APIs

event-driven architectures

microservices

CI/CD toolsets

Python

Java

Shell scripting

Herramientas

Geneos

Splunk

Jboss

Oracle

PostgreSQL

Descripción del empleo

OPTIMUM SOLUTIONS (SINGAPORE) PTE LTD is seeking an experienced technical support Engineer to join our Singapore team supporting a premier banking client in the Cards & Payments domain.

You will drive stability, monitor systems, and troubleshoot across Linux, databases, and middleware, while delivering automation to reduce incidents and accelerate deployments. The role requires strong problem-solving skills and the ability to perform under pressure.