Senior AS400 / RPG Developer (Banking Client)

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 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 B2B Collaboration