Application Maintenance Engineer

SAKSOFT PTE LIMITED; Singapore; On-site; SGD 100,440 - 167,400; Full time

Job summary

SAKSOFT PTE LIMITED in Singapore seeks an experienced Application Maintenance Engineer to manage and enhance enterprise applications. You will work across Java, Oracle, APIs and middleware, ensuring stability and timely incident resolution.

The role requires 8+ years of hands-on maintenance, familiarity with CI/CD, OpenShift, and payment domain knowledge. You will collaborate with QA, devs, and operations to deploy safe releases and improve system reliability.

Qualifications

• Degree in Computer Science or related discipline.
• At least 8 years of relevant experience in application maintenance.
• Strong hands-on experience with Java, Oracle, Linux, JBOSS, OpenShift and cloud development.
• Experience with CI/CD tools such as Bitbucket/Jenkins/SonarQube.

Responsibilities

• Perform root cause analysis on incidents and provide remediation solutions.
• Prioritize defects and plan production releases based on criticality.
• Develop programs and support end-to-end testing in SIT, UAT and production deployment.
• Maintain production stability with proper risk and impact assessments.
• Follow up on defect closure and share learning with QA and development teams.
• Verify and deploy programs and systems, troubleshoot and upgrade as needed.

Skills

Java

ReactJS

Python

Oracle

SQL

JBOSS

OpenShift

Cloud-based development

IBM MQ

Kafka MQ

Connect Direct

Control-M

Tivoli

Geneos

Splunk

Remedy/JIRA

Education

Degree in Computer Science or related discipline

Tools

Bitbucket

Jenkins

SonarQube

Aldon

Remedy

JIRA

Job description

Experience

6+ Years

Role

Application Maintenance Engineer

Key Domain/ Technical Skills:

• Java, ReactJS, Python,
• Oracle, SQL
• Solaris, RedHat Linux, JBOSS
• Openshift Container Platform, Apache,
• IBM MQ, Kafka MQ, Connect Direct, Control-M
• Cloud based development

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

Requirements

Education

• Degree in Computer Science or related discipline
• At least 8 years of relevant experience.

Essential

• Programming / OS / Technology Skills: At least few years of experience in maintaining / managing applications in at least some of the technologies such as Java, ReactJS, Python, Oracle, Solaris, RedHat Linux, JBOSS, Openshift Container Platform, Apache, Cloud based development, IBM MQ, Kafka MQ, Connect Direct, Control-M, Tivoli, Geneos, Splunk, etc.
• Knowledge of FIS OPF (Open Payment Framework) product is a must at least in the capacity of troubleshooting, deployment, etc.
• Strong working experience with Java, Spring Boot and API (Microservices)
• Experience with databases (SQL) and Object-Relational Mapping (ORM) frameworks, such as Hibernate
• 7 or more years’ in troubleshooting and fixing issues across different technologies/platform
• Strong troubleshooting and problem-solving skills
• Experience with payment domain and SWIFT message will be a big plus
• Strong written, oral communication skills and ability to manage user/vendor/customer/stakeholders
• Ability to easily adapt to any technology/environment and lean new languages / technologies / tools
• Experience tuning Kafka components for varying traffic and performance requirements
• Experience with Incidents & Problem management & associated tools (Remedy/JIRA)
• Experience with CI/CD tools such as BitBucket / Jenkins / Sonarqube / Aldon
• Attention to details.