Senior IBM i (AS/400) Software Engineer

Description

**Low Housing Allowance** \- **2\.625\.000** Schedule: Monday to Friday 8:00 AM \- 5:00 PM PST (or 9:00 AM \- 6:00 PM PST We are seeking a Senior IBM i (AS/400\) Engineer to join a team responsible for supporting and evolving a mission\-critical enterprise platform. This position requires deep expertise in IBM i technologies, RPG development, and DB2, along with the ability to work within complex legacy environments that support core business operations. This is primarily a hands\-on engineering role focused on application support, platform upgrades, troubleshooting, knowledge transfer, and long\-term ownership of a mature IBM i ecosystem. The ideal candidate enjoys understanding complex systems, solving challenging technical problems, and working closely with teams responsible for maintaining business\-critical applications **You’ll Be Working On** **Core IBM i Development** * Design, develop, and maintain applications written in RPG IV, ILE RPG, and CL * Troubleshoot production issues across online and batch processing environments * Enhance payroll, billing, deductions, and financial processing workflows * Analyze existing application logic and implement new business requirements * Support large\-scale batch processing jobs and operational workflows \* **Database Engineering** * Develop and optimize DB2 for i database solutions * Write SQL queries, stored procedures, views, and database utilities * Improve performance of high\-volume transactional workloads * Design and evolve database structures supporting payroll and billing operations * Participate in database modernization efforts using modern SQL standards **Systems Integration** * Support integrations between IBM i applications and enterprise systems * Maintain interfaces with JD Edwards and related financial platforms * Investigate data flow issues across interconnected applications * Assist in documenting integration dependencies and business processes **Modernization Initiatives** * Analyze legacy application architecture and business logic * Participate in system decomposition and service identification efforts * Assist with migration planning toward modern platforms and technologies * Document business rules and operational workflows * Collaborate with engineering teams building future\-state solutions **Required Qualifications** IBM i Development * 5\+ years of IBM i (AS/400, iSeries, IBM i) development experience * Strong RPG IV / ILE RPG programming skills * Experience developing and supporting CL programs * Solid understanding of IBM i operating system concepts and object architecture * Experience working with batch processing and job scheduling environments * Familiarity with DDS\-based physical, logical, display, and printer files Database \& SQL * Strong SQL development skills within DB2 for i * Experience optimizing queries and troubleshooting database performance * Understanding of indexing strategies and access\-path design * Knowledge of transaction processing, record locking, and concurrency concepts * Experience designing and maintaining production database structures Engineering Skills * Strong debugging and root\-cause analysis abilities * Ability to assess change impact across complex systems * Experience supporting production\-critical applications * Strong written and verbal communication skills Preferred Qualifications * Experience with JD Edwards EnterpriseOne integrations * Experience with service programs, binding directories, and activation groups * Exposure to API integration patterns * Experience modernizing legacy enterprise applications * Familiarity with Java, C\#, or modern backend development frameworks * Experience working in payroll, accounting, financial services, or ERP environments * Knowledge of DevOps, CI/CD, and source\-control practices within IBM i ecosystems Technologies You’ll Encounter * IBM i (AS/400\) * RPG IV / ILE RPG * CL * DB2 for i * DDS * SQL * JD Edwards EnterpriseOne * IBM Access Client Solutions (ACS) * Rational Developer for i (RDi) * Git and modern development tooling Sueldo: 1\.711,65€ al mes Ubicación del trabajo: Empleo remoto