Senior Backend Engineer - Java, Security & Reliability

Monetary Authority of Singapore; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

The Monetary Authority of Singapore (MAS) is hiring a Software Engineer in the CBD payment team to ensure the MEPS+ system's quality and reliability. You will focus on code review, security assessment, test automation, release verification, and contingency planning.

The role involves collaborating with vendors and operations, supporting audits, and building scalable, secure payment processing capabilities within MAS. On-call readiness and strong problem solving are expected.

Qualifications

• Proven experience designing and implementing Java applications.
• Hands-on with automated testing frameworks (Selenium, Watermelon, or similar).
• Production support experience and root-cause analysis skills.
• Understanding of secure coding practices and vulnerability assessment.
• Experience with J2EE, JBoss EAP, SQL/Oracle, Git, and shell scripting.
• Experience working on-call for production systems.

Responsibilities

• Code Review Gate: review internal/vendor enhancements against designs and standards.
• Security & Scan Validation: assess findings, validate fixes, and remediation.
• Technical Solution Review: ensure solutions meet design, performance, and security needs.
• Compliance and Contingency Planning: prepare task lists and assist audit responses.
• Test Automation Maintenance: maintain/extend MEPS+ test scripts and frameworks.
• Release Verification: verify MEPS+ releases prior to production deployment.
• SLI/SLO Contribution: define system SLIs/SLOs with operations/SRE.
• L2 Production Incident Response and post-incident reviews.

Skills

Java

SQL

Shell scripting

On-call support

Code review

Test automation

Docker & Kubernetes

Security awareness

J2EE/JBoss

Git

Tools

Selenium

Watermelon

Docker

Kubernetes

Git

Oracle DB

Job description

The Monetary Authority of Singapore (MAS) is hiring a Software Engineer in the CBD payment team to ensure the MEPS+ system's quality and reliability. You will focus on code review, security assessment, test automation, release verification, and contingency planning.

The role involves collaborating with vendors and operations, supporting audits, and building scalable, secure payment processing capabilities within MAS. On-call readiness and strong problem solving are expected.