Software Engineer – RPG

Softvil Technologies; Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

Softvil Technologies seeks a Software Engineer – RPG to join our payments engineering team. You will design, develop and maintain RPG IV / ILE RPG applications on the IBM i (AS/400) platform to support high-availability CMS and payments processing.

You will collaborate with Product, QA, DevOps and Infra, modernize RPG components into microservices, implement secure coding per PCI-DSS, and contribute to documentation and mentoring junior developers.

Qualifications

• Bachelor’s degree in Computer Science or related field.
• 4+ years of hands-on software development experience.
• Proficiency in RPG IV / ILE RPG on IBM i (AS/400).
• Experience with Card Management Systems (CMS) and payment platforms.
• Knowledge of ISO 8583, RESTful APIs, and databases (DB2/SQL).
• Familiarity with microservices, Java/Spring Boot, and DevOps tools.

Responsibilities

• Design, develop, test, and maintain RPG IV / ILE RPG on IBM i.
• Enhance CMS including transaction processing and lifecycle management.
• Develop microservices-based APIs using Java/Spring Boot.
• Collaborate with Product, QA, DevOps, and Infrastructure teams.
• Analyze performance, troubleshoot issues, and ensure security.
• Participate in modernization, migrating RPG components to microservices.
• Maintain documentation and design specifications.
• Adhere to PCI-DSS secure coding practices.

Skills

RPG IV / ILE RPG

Java / Spring Boot

CMS experience

ISO 8583

RESTful APIs

PCI-DSS

Mentor juniors

DevOps familiarity

Education

Bachelor's degree in Computer Science

Tools

Docker

Kubernetes

Git

JIRA

ServiceNow

DB2/SQL

Job description

Software Engineer – RPG

We are seeking a skilled Software Engineer – RPG with experience in Card Management Systems and Microservices to support our core payment infrastructure. This role bridges legacy IBM i (AS/400) systems with modern technologies to enable high-performance, scalable solutions in a critical banking environment.

Key Responsibilities

• Design, develop, test, and maintain applications using RPG IV / ILE RPG on the IBM i (AS/400) platform.
• Enhance and support Card Management Systems (CMS), including transaction processing, card issuance, and lifecycle management.
• Develop and integrate microservices-based APIs and services (Java/Spring Boot preferred) for card operations.
• Collaborate with cross-functional teams including Product, QA, DevOps, and Infrastructure to deliver new features and resolve incidents.
• Analyze system performance, troubleshoot issues, and ensure platform stability and security.
• Participate in modernization initiatives, including migrating selected RPG components to modern architectures such as microservices.
• Maintain technical documentation, design specifications, and user manuals.
• Follow secure coding practices and ensure compliance with standards such as PCI-DSS.

Qualifications

• Bachelor’s degree in Computer Science, Information Systems, or a related field.
• 4+ years of hands‑on experience in software development.
• Proficiency in RPG IV / ILE RPG on IBM i (AS/400).
• Experience with Card Management Systems (e.g., VisionPLUS, CMS by FSS, Base24, or similar platforms).
• Knowledge of microservices development (preferably using Java/Spring Boot).
• Understanding of ISO 8583 message formats and card transaction workflows.
• Experience with relational databases such as DB2, SQL Server, or PostgreSQL.
• Familiarity with RESTful APIs, JSON, XML, and system integration protocols.
• Strong analytical and troubleshooting skills in high‑availability environments.
• Experience in banking, fintech, or payment systems.
• Exposure to DevOps, CI/CD, and containerization tools (Docker, Kubernetes).
• Familiarity with Kafka, RabbitMQ, Git, JIRA, and ServiceNow.
• Knowledge of secure coding practices and regulatory standards (e.g., PCI‑DSS, GDPR).
• Ability to mentor junior developers and participate in collaborative code reviews.