Java,Microservices,Springboot,XML

Rapsys Technologies Pte Ltd.; Kuala Lumpur; On-site; MYR 90,000 - 150,000; Full time

Job summary

Rapsys Technologies Pte Ltd. in Kuala Lumpur seeks a Java Microservices Developer to design, develop, and maintain scalable payment solutions using Java, Spring Boot, microservices, and XML.

You will work on-site in Kuala Lumpur, collaborating with cross-functional teams to deliver reliable enterprise applications while adhering to security and compliance requirements in a regulated financial environment.

Qualifications

• 3 years of Java application development, maintenance, or production support.
• Strong knowledge of Java and Spring Boot.
• Experience working with Oracle Database 12c/19c, including SQL queries and troubleshooting.
• Hands-on experience with Unix/Linux operating systems and command-line tools.
• Basic understanding of application support processes, incident management, and troubleshooting.
• Good analytical and problem-solving skills.
• Strong communication and teamwork abilities.
• Willingness to learn enterprise payment systems and production support best practices.

Responsibilities

• Provide Level 3 maintenance and production support for payment applications.
• Monitor application performance and respond to production incidents within defined SLAs.
• Investigate, troubleshoot, and resolve application and system issues in collaboration with senior engineers.
• Perform root cause analysis for recurring production issues and assist in implementing permanent fixes.
• Support application deployments, releases, and post-deployment validation activities.
• Develop and maintain Java Spring Boot applications, bug fixes, and minor enhancements.
• Create and maintain technical documentation, operational procedures, and knowledge base articles.
• Work closely with business users, infrastructure teams, and developers to ensure smooth application operations.
• Support batch jobs, file processing, and data validation activities.
• Participate in on‑call support and scheduled maintenance activities as required.
• Ensure adherence to security, compliance, and operational standards in a regulated financial environment.

Skills

Java

Spring Boot

Microservices

XML

Unix/Linux

SQL

Incident management

Analytical thinking

Communication

Teamwork

Learning enterprise payment systems

Tools

JBoss Application Server

Apache Web Server

Kafka

JWT

Job description

We're Hiring: Java Microservices Developer!

Join our dynamic team in Kuala Lumpur as a Java Microservices Developer. We are looking for a skilled professional with expertise in Java, Spring Boot, Microservices, and XML to help design, develop, and maintain scalable solutions. If you have a passion for clean code and innovative architecture, this opportunity is perfect for you!

Location: Kuala Lumpur, Malaysia

Work Mode: Work from Office

Role: Java Microservices Developer

What You'll Do:

This role offers an excellent opportunity to gain hands‑on experience with enterprise payment platforms, Java microservices, and financial services technologies.

• Provide Level 3 application maintenance and production support for payment applications.
• Monitor application performance and respond to production incidents within defined SLAs.
• Investigate, troubleshoot, and resolve application and system issues in collaboration with senior engineers.
• Perform root cause analysis for recurring production issues and assist in implementing permanent fixes.
• Support application deployments, releases, and post-deployment validation activities.
• Develop and maintain Java Spring Boot applications, bug fixes, and minor enhancements.
• Create and maintain technical documentation, operational procedures, and knowledge base articles.
• Work closely with business users, infrastructure teams, and developers to ensure smooth application operations.
• Support batch jobs, file processing, and data validation activities.
• Participate in on‑call support and scheduled maintenance activities as required.
• Ensure adherence to security, compliance, and operational standards in a regulated financial environment.

Required Skills:

• 3 years of experience in Java application development, maintenance, or production support.
• Strong knowledge of Java and Spring Boot.
• Experience working with Oracle Database 12c/19c, including SQL queries and troubleshooting.
• Hands‑on experience with Unix/Linux operating systems and command‑line tools.
• Basic understanding of application support processes, incident management, and troubleshooting.
• Good analytical and problem‑solving skills.
• Strong communication and teamwork abilities.
• Willingness to learn enterprise payment systems and production support best practices.

Nice-to-Have Skills:

• Exposure to Client Entitlement Workflow (CEW) and Payment Data Repository (PDR) or similar in‑house payment solutions.
• Experience with JBoss Application Server and Apache Web Server.
• Familiarity with modern Java microservices technologies such as Spring Boot, Kafka, and JWT.
• Experience implementing file conversion processes (e.g., TXT to XML, CSV to XML).
• Knowledge of Shell Scripting for automation and operational support.
• Exposure to highly secure environments such as banking or financial services.
• Understanding of security concepts including encryption, audit controls, two‑factor authentication (2FA), and multi‑factor authentication (MFA).

Eager to shape the future of enterprise applications?