Senior RPG Engineer on IBM i | JDA400 & API Integrations

Murano Software, Inc.; Los Angeles (CA); Hybrid; USD 110,000 - 160,000; Full time

Job summary

Murano Software, Inc. is seeking a Senior RPG Engineer/Analyst to own our mission-critical JDA400 application running on IBM i. You will design, develop, and maintain complex RPG-based solutions powering our retail operations with high performance, reliability, and scalability.

The role blends legacy systems with modern integrations, including APIs, e-commerce, reporting platforms, and analytics. You will collaborate with Merchandising, Supply Chain, Finance, IT, and ensure thorough

Qualifications

• 8+ years hands-on RPG development on IBM i (AS/400).
• Expert-level proficiency in RPG IV, RPG ILE, and RPG Free-Form; strong knowledge of CL, SQL, and batch processing.
• Solid understanding of DB2 for i database design, stored procedures, and performance tuning.
• Experience with modern tools: APIs, JSON, XML; Git/SVN; RDi.
• Strong analytical and problem-solving skills, with a track record of delivering complex projects on time.
• Excellent communication with technical teams and business stakeholders.

Responsibilities

• Design, develop, and maintain RPG applications on IBM i with focus on the JDA400.
• Own day-to-day support, enhancement, and customization of JDA400 modules.
• Write and optimize embedded SQL, CL programs, and batch jobs.
• Define technical solutions from requirements through design, coding, testing, deployment.
• Integrate IBM i with modern platforms via APIs, web services, JSON/XML.
• Troubleshoot production issues, ensuring stability and data integrity.
• Collaborate with Merchandising, Supply Chain, Finance, IT to translate needs into solutions.
• Maintain comprehensive architecture and change control documentation.

Skills

RPG IV/ILE

RPG Free-Form

RPG on IBM i

CL & SQL

DB2 for i design

Batch processing

APIs/JSON/XML

RDi

Git/SVN

Analytical thinking

Communication

Tools

RDi

Git

SVN

Job description

Murano Software, Inc. is seeking a Senior RPG Engineer/Analyst to own our mission-critical JDA400 application running on IBM i. You will design, develop, and maintain complex RPG-based solutions powering our retail operations with high performance, reliability, and scalability.

The role blends legacy systems with modern integrations, including APIs, e-commerce, reporting platforms, and analytics. You will collaborate with Merchandising, Supply Chain, Finance, IT, and ensure thorough