Application Maintenance Engineer

R Systems; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

R Systems is seeking a capable software professional to perform root cause analysis on incidents, fix code, and drive improvements across production systems. You will participate in CI/CD deployments, investigate performance issues via SQL/JVM considerations, and collaborate with QA and dev teams to ensure stable releases.

The role emphasizes teamwork, timely defect closure, and ongoing learning to minimize future defects while supporting SIT/UAT and production readiness.

Qualifications

• Analyzing Java code (microservices / APIs) to identify the issues and
• Perform code fix based on the issue reported
• Able to analyze the technical issues such as why the job performance is poor
• Able to work in a team to perform the code deployment in a CI/CD pipeline
• Perform code branch out and branch-in
• Able to use AI tools to ensure swift turnaround in investigation, code fixes, impact assessment and testing assessments

Responsibilities

• Perform root cause analysis on incidents (application, batch and connectivity) and provide a solution for remediation.
• Prioritize defects and plan for production release based on defect criticality or align with the quarterly release
• Develop programs, support end-to-end testing in SIT, support UAT and prepare for deployment to production environments.
• Maintain Production stability by ensuring deployments have completed the necessary risk and impact assessments.
• Follow up on defect closure and meet defect closure KPI
• Share production defect support learning with QA team and development team to improve application quality and minimize future defects
• Verify and deploy programs and systems
• Troubleshoot, debug and upgrade existing software
• Recommend and execute improvements

Skills

Java

Microservices

APIs

Root cause analysis

CI/CD

Code fixes

Performance tuning

Team collaboration

AI tools

Tools

Git

CI/CD pipelines

SQL queries

Job description

Key Responsibilities:

• Perform root cause analysis on incidents (application, batch and connectivity) and provide a solution for remediation.
• Prioritize defects and plan for production release based on defect criticality or align with the quarterly release
• Develop programs, support end-to-end testing in SIT, support UAT and prepare for deployment to production environments.
• Maintain Production stability by ensuring deployments have completed the necessary risk and impact assessments.
• Follow up on defect closure and meet defect closure KPI
• Share production defect support learning with QA team and development team to improve application quality and minimize future defects
• Verify and deploy programs and systems
• Troubleshoot, debug and upgrade existing software
• Recommend and execute improvements

Must-Have Requirements:

• Analyzing Java code (mircoservices / APIs) to identify the issues and
• Perform code fix based on the issue reported
• Able to analyze the technical issues such as why the job performance is poor (by looking into the query, understand the SAQ query usage, perform tuning, etc)
• Able to work in a team to perform the code deployment in a CI/CD pipeline
• Perform code branch out and branch-in
• Able to use AI tools to ensure swift turnaround in investigation, code fixes, impact assessment and testing assessments