Senior RPG Engineering

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

About the Role

We are looking for a Senior RPG Engineer/Analyst to join our Tech team and take ownership of ourmission-critical JDA400 application running on IBM i (AS/400). You will design, develop, and maintaincomplex RPG-based solutions on JDA400 that power our retail operations, ensuring highperformance, reliability, and scalability.

This role is ideal for a seasoned developer who thrives in a hybrid environment, bridging legacysystems with modern integration needs (APIs, e-commerce, reporting platforms).

Key Responsibilities

• Design, develop, and maintain robust RPG (RPG IV, RPG ILE, RPG Free-Form) applications on IBM i, with a focus on the JDA400 application.
• Own the day-to-day support, enhancement, and customization of JDA400 modules.
• Write and optimize embedded SQL, CL programs, and batch jobs to support business workflows.
• Define technical solutions from requirements gathering through design, coding, testing, deployment, and production support.
• Integrate IBM i systems with modern platforms (e-commerce, POS, WMS, reporting, and analytics tools) via APIs, web services, JSON/XML.
• Troubleshoot and resolve complex production issues, ensuring system stability and data integrity.
• Collaborate with cross-functional teams (Merchandising, Supply Chain, Finance, IT) to translate business needs into technical solutions.
• Maintain comprehensive documentation of system architecture, processes, and change control records.

Required Qualifications

• 8+ years of hands-on experience as an RPG developer 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: RDi (Rational Developer for i), Git/SVN, APIs, JSON, XML.
• Strong analytical and problem-solving skills, with a track record of delivering complex projects on time.
• Excellent communication skills, able to interact with both technical teams and business stakeholders.

Nice-to-Have Qualifications

• Experience in the fashion or retail industry, with knowledge of merchandising, inventory, pricing, or POS workflows.
• Hands-on experience with JDA400 / JDA MMS (Merchandise Management System) or similar retail ERP platforms.
• Familiarity with e-commerce integrations, omnichannel retail systems, or modernization of legacy ERP environments.
• Exposure to Agile/Scrum methodologies and CI/CD pipelines on IBM i.