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Application Maintenance Engineer

Singapore💼 Full-time🗓 2026-08-04 → 2026-09-27

Core

Maintain production stability for payment applications by performing root cause analysis, debugging, and deploying fixes across microservices and batch systems.

Role type

Senior Application Maintenance Engineer (Payment Domain)

Builds

Payment applications, batch processing systems, and connectivity solutions for financial clients

Domain

Financial Services / Payment Systems

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Java, Spring Boot, Microservices, SQL, Hibernate, Kafka tuning, Incident management, CI/CD pipelines, Root cause analysis, Defect prioritization, Production deployment, Troubleshooting, Risk assessment

Preferred skills

FIS OPF product knowledge, SWIFT message handling, ReactJS, Python, Oracle, Solaris, RedHat Linux, JBOSS, Openshift, IBM MQ, Control-M, Splunk

Technologies

Java, Spring Boot, ReactJS, Python, Oracle, SQL, Solaris, RedHat Linux, JBOSS, Openshift, Apache, IBM MQ, Kafka, Connect Direct, Control-M, Tivoli, Geneos, Splunk, Remedy, JIRA, BitBucket, Jenkins, Sonarqube, Aldon

Responsibilities

Perform root cause analysis on incidents and provide remediation solutions; Prioritize defects and plan production releases; Support end-to-end testing (SIT/UAT) and deployment; Verify and deploy programs and systems; Troubleshoot, debug, and upgrade existing software; Share production defect support learning with QA and development teams; Follow up on defect closure to meet KPIs.

Seniority

Senior, hands-on IC

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