Senior Software Engineer (MEPS+) (Perm/Contract)

sggovterp; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

sgovterp, Singapore, is seeking a Software Engineer for the Central Banking & Devt Platforms team to ensure MEPS+ reliability and quality. You will review code, validate security findings, oversee test automation, and support audit responses.

Join a role focused on production support, incident response, and improving release verification. Strong Java, SQL, and shell scripting skills are essential, with Docker/Kubernetes experience,

Qualifications

• Backend Java applications experience and design implementation.
• Familiarity with code reviews against designs and security standards.
• Knowledge of secure coding practices and vulnerability assessment.

Responsibilities

• Code review gate: review enhancements against designs and standards.
• Lead weekly security scan validation and remediation tracking.
• Validate technical solutions meet performance and security needs.
• Develop contingency plans and participate in drills.
• Maintain and evolve MEPS+ test automation and release verification.
• Respond to production incidents and perform root-cause analysis.

Skills

Java development

SQL

Shell scripting

Code reviews

On-call experience

Production support

Security awareness

Tools

Docker

Kubernetes

Git

J2EE

JBoss EAP

Oracle DB

AWS

Job description

What the role is

You will join the Central Banking & Devt Platforms (CBD) payment team as a Software Engineer responsible for ensuring technical quality and operational reliability of the MAS Electronic Payment System (MEPS+) and related payment processing systems.

The role focuses on code review, assessment and validation of security findings, oversight of test automation, enhancement-release verification, audit support and contingency preparedness.

What you will be working on

A. Code Review & Quality Assurance

• Code Review Gate: Conduct code reviews of internal and vendor enhancements/fixes. Review fixes and enhancements against approved designs and applicable quality and security standards, document findings, and recommend acceptance or remediation in accordance with the agreed governance process
• Security & Scan Validation: Lead weekly review of code scan findings (static analysis, security scanning). Assess impact; identify false positives; validate fixes. Review security findings from source code reviews and penetration tests; validate remediation.
• Technical Solution Review: Validate that technical solutions for new enhancements meet approved design, performance, and security requirements.
• Compliance and Contingency Planning: Develop Software Engineer task lists for contingency exercises and participate in the execution of relevant drills. Prepare and provide relevant technical information and evidence in response to audit requests.

B. Testing & Test Automation

• Test Automation Maintenance: Maintain and enhance MEPS+ test automation scripts (Selenium/Watermelon). Revamp test suites as needed; add new test coverage; troubleshoot test failures; evolve automation framework.
• Release Verification: Verify MEPS+ enhancement releases (semi-annual) before production deployment.
• SLI/SLO Contribution: Work with operations and SRE to define system SLIs and SLOs (e.g., transaction latency, error rate, availability targets).

C. Production Troubleshooting & Incident Response

• L2 Production Incident Response: Respond to production incidents. Investigate errors, exceptions, alerts, and system warnings. Troubleshoot issues; coordinate with vendors on urgent fixes; elevate when needed. Expected on-call rotation: [specify, e.g., 1 week per month].
• Error & Exception Analysis: Diagnose root causes of production issues. Provide detailed incident analysis; recommend fixes or escalation path.
• Post-Incident Review: Participate in post-incident reviews; capture learnings; recommend process improvements.

D. Technical Specifications & Standards

• Code Quality Standards: Contribute to defining code review standards, testing requirements, and quality metrics for MEPS+.

What we are looking for

Core Technical Requirements

• Backend Development & Code Review: Proven experience designing and implementing Java applications. Strong Java, SQL, and shell scripting skills. Comfortable conducting code reviews against design specifications and security standards.
• Automated Testing: Hands-on experience with automated testing frameworks (Selenium, Watermelon, or similar). Understanding of testing strategies (unit, integration, functional, performance, security). Experience maintaining and evolving test automation frameworks.
• Production Support & Troubleshooting: Experience supporting production systems. Strong debugging and root-cause analysis skills.
• Security & Code Quality: Understanding of secure coding practices. Familiarity with code scanning tools and vulnerability assessment. Ability to evaluate and validate security findings.
• Enterprise Technologies: Hands-on experience with J2EE, JBoss EAP, SQL/Oracle Database, Git, shell scripting.

Important Experience

• Experience working on-call for production systems, incident triage and escalation.
• Experience defining and enforcing quality standards with strong testing discipline.
• Experience working with development teams, vendors, operations, Managing and prioritizing tasks.
• Experience with payment processing, securities settlement, or related financial systems.
• Familiarity with large-scale payment systems architecture and integration patterns.
• Understanding of modern backend architectures and API design principles.
• Familiarity with Docker and Kubernetes concepts
• Java Developer, AWS, or related certifications would be an advantage

Who You Are

• Detail-Oriented: Meticulous about code quality, test coverage, and production reliability. Comfortable with rigorous standards.
• Problem-Solver: Natural investigator; thrives in debugging complex issues. Comfortable with ambiguity; persistent troubleshooter.
• Reliable & Responsive: Dependable on-call engineer; comfortable responding to urgent production issues at any time.
• Collaborative: Strong communication with peers, vendors, and operations teams. Comfortable escalating issues and coordinating fixes.
• Driven by Quality: Intrinsically motivated to maintain high technical and operational standards. Takes pride in robust systems.

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