For one of our banking clients, we are looking for a Senior AS400 / RPG Developer to support the development, maintenance, and enhancement of business-critical applications running on IBM i (AS400). The role focuses on ensuring the stability, security, and performance of core banking systems in a highly regulated environment.
The successful candidate will work closely with the clients business and technical teams to deliver reliable and compliant banking solutions.
Key Responsibilities
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Develop, maintain, and enhance core banking applications using RPG (ILE RPG) on IBM i (AS400)
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Support critical banking processes such as account management, transactions, payments, and reporting
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Analyze functional and regulatory requirements provided by the client and translate them into technical solutions
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Maintain and optimize legacy systems with a strong focus on performance, reliability, and data integrity
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Investigate and resolve production issues, including root cause analysis
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Ensure compliance with banking regulations, security standards, and audit requirements
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Prepare and maintain technical documentation in line with client standards
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Participate in code reviews and knowledge-sharing activities
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Collaborate with client stakeholders, business analysts, QA, and infrastructure teams
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Contribute to system integration and modernization initiatives when required
Requirements
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Minimum 4 years of experience as an AS400 / RPG Developer
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Strong hands-on experience with RPG (ILE RPG)
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Solid knowledge of IBM i / AS400 environments
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Experience with CL (Control Language)
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Strong knowledge of DB2 for i and SQL
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Experience working with batch and online processing systems
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Understanding of transaction-based systems and data consistency concepts
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Experience working in regulated environments, preferably banking or financial services
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Strong analytical and problem-solving skills
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Ability to work independently and communicate effectively with client teams
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English proficiency – intermediate to advanced level
Nice to Have
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Prior experience on core banking systems
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Exposure to system modernization or migration initiatives
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Experience with integrations, web services, or APIs
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Familiarity with release management and version control tools
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Experience working in distributed or client-facing delivery models