Application Maintenance Engineer

Linuxconfig; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Encora is seeking an experienced software engineering professional in Singapore to lead incident analysis, defect prioritization, and end-to-end testing across SIT, UAT, and production deployments.

The role requires strong Java, Spring Boot, and API (Microservices) expertise, plus experience with Oracle, Linux, Openshift, and MQ systems. Excellent stakeholder communication is essential for delivery and reliability.

Qualifications

• Degree in Computer Science or related discipline.
• 8+ years of relevant experience.
• Proficient in Java, ReactJS, Python, Oracle, Linux, JBOSS, OpenShift, Apache, Cloud development, IBM MQ, Kafka MQ, Connect Direct, Control-M, Tivoli, Geneos, Splunk.
• Strong knowledge of Java, Spring Boot and API (Microservices).
• Experience with SQL and ORM frameworks (Hibernate).
• Experience in troubleshooting across multiple technologies and platforms.
• Familiarity with payment domain and SWIFT messages a plus.
• Excellent communication and stakeholder management skills.

Responsibilities

• Perform root cause analysis on incidents and provide remediation.
• Prioritize defects and plan production releases based on criticality.
• Develop programs, support SIT, UAT, and deployment to production.
• Maintain production stability with risk and impact assessments.
• Follow up on defect closure and KPI targets.
• Share defect learnings with QA and development teams.
• Verify and deploy programs and systems.
• Troubleshoot, debug and upgrade existing software.

Skills

Java

ReactJS

Python

Oracle

Linux

JBOSS

Openshift

Apache

Cloud

IBM MQ

Kafka MQ

Control-M

SQL

Spring Boot

Microservices

Education

Degree in Computer Science or related discipline

Tools

Open Payment Framework (OPF)

Job description

• 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

Requirements:

Education:

• Degree in Computer Science or related discipline


• At least 8 years of relevant experience.


• 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

Technical Skills:

• Java, ReactJS, Python,


• Oracle, SQL


• Openshift Container Platform, Apache,


• IBM MQ, Kafka MQ, Connect Direct, Control-M


• Cloud based development

About Encora

Encora is a global company that offers Software and Digital Engineering solutions. Our practices include Cloud Services, Product Engineering & Application Modernization, Data & Analytics, Digital Experience & Design Services, DevSecOps, Cybersecurity, Quality Engineering, AI & LLM Engineering, among others.

At Encora, we hire professionals based solely on their skills and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality