

Senior AS/400 (IBM i) developer with nearly 30 years of experience in banking and enterprise systems. Expertise in designing, developing, maintaining, and supporting systems using RPG III, RPG IV, ILE RPG, CL, and SQL. Proven ability to understand complex business processes, ensure stable operation of legacy systems, and perform root cause analysis and incident management. Fluent in English and German, effective in international environments across development, support, and business-facing roles.