Senior AS400 / RPG Developer (Banking Client)
Posted 2026-05-06For 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
Develop, maintain, and enhance core banking applications using RPG (ILE RPG) on IBM i (AS400)
Support critical banking processes such as account management, transactions, payments, and reporting
Analyze functional and regulatory requirements provided by the client and translate them into technical solutions
Maintain and optimize legacy systems with a strong focus on performance, reliability, and data integrity
Investigate and resolve production issues, including root cause analysis
Ensure compliance with banking regulations, security standards, and audit requirements
Prepare and maintain technical documentation in line with client standards
Participate in code reviews and knowledge-sharing activities
Collaborate with client stakeholders, business analysts, QA, and infrastructure teams
Contribute to system integration and modernization initiatives when required
Requirements
Minimum 4 years of experience as an AS400 / RPG Developer
Strong hands-on experience with RPG (ILE RPG)
Solid knowledge of IBM i / AS400 environments
Experience with CL (Control Language)
Strong knowledge of DB2 for i and SQL
Experience working with batch and online processing systems
Understanding of transaction-based systems and data consistency concepts
Experience working in regulated environments, preferably banking or financial services
Strong analytical and problem-solving skills
Ability to work independently and communicate effectively with client teams
English proficiency – intermediate to advanced level
Nice to Have
Prior experience on core banking systems
Exposure to system modernization or migration initiatives
Experience with integrations, web services, or APIs
Familiarity with release management and version control tools
Experience working in distributed or client-facing delivery models