Junior L3 Production Support / Application Maintenance Engineer

Hiring: Jr. Production Support (AS400) – Job ID 193492-1

Location: Kuala Lumpur

Experience Level: Junior (L2 | 3 to 5 Years)

Domain: PRO

Sub-Domain: WAM & OPI

Contract : 24 Months

Job Summary

We are seeking a Junior L3 Production Support / Application Maintenance Engineer to support WAM and OPI applications. The role requires experience in API gateway platforms and/or Java Spring Boot microservices. Candidates will provide technical support, troubleshooting, and application maintenance across production environments, ensuring high availability and performance of enterprise applications.

Key Responsibilities

• Provide L3 production support for WAM and OPI applications, including incident management, troubleshooting, and root cause analysis.
• Support API gateway and API management platforms such as Axway, Apigee, Kong, or Layer 7 (CA/Broadcom).
• Develop, maintain, and troubleshoot Java Spring Boot microservices for OPI applications.
• Collaborate with application and infrastructure teams to ensure stable and secure deployments.
• Perform Unix/Linux scripting for automation, monitoring, and batch processes.
• Work with Oracle Database 12c / 19c for data-related support tasks.
• Monitor application performance, identify bottlenecks, and propose optimization solutions.
• Prepare technical documentation, incident reports, and knowledge base articles.
• Participate in change management, patching, and release activities.

Required Skills

• 3-5 years of experience in production support or application maintenance.
• Hands-on experience in either:
• API gateway / API management platforms (Axway, Apigee, Kong, Layer 7)
• OR Java Spring Boot microservices development.
• Strong Unix/Linux experience.
• Experience with Oracle Database 12c or 19c.
• Solid troubleshooting, problem-solving, and analytical skills.
• Understanding of SDLC and change management processes.

Nice-to-Have Skills

• Exposure to both API gateway platforms and Java microservices.
• Knowledge of WAM and OPI enterprise applications.
• Familiarity with CI/CD pipelines and deployment automation.
• Experience in monitoring tools, logging frameworks, or performance tuning.
• Ability to work in fast-paced production environments and meet SLAs.

Mandate

Java (Programming Language) - P3 Advanced