Sr. Software Developer (IBMi)

Position Overview

The Senior Software Developer plays a critical role in the continued reliability, performance, and evolution of WORLDPAC’s core ERP platform supporting wholesale distribution operations. This position is responsible for designing, developing, enhancing, and supporting business applications on the IBM i platform, while contributing to ongoing modernization initiatives such as API enablement and system integration.

The ideal candidate is a strong hands-on developer with deep IBM i experience, solid database and application design skills, and the ability to work effectively in a senior technical team environment.

Responsibilities

• Design, develop, test, implement, and support ERP application enhancements and new functionality.
• Maintain and improve the performance, stability, and scalability of mission-critical IBM i applications.
• Participate in architecture and design discussions, contributing practical and efficient technical solutions.
• Develop and support REST APIs to enable integration with internal and external systems.
• Work closely with business analysts, developers, and technical leads to deliver high-quality solutions aligned with business needs.
• Support troubleshooting, root cause analysis, and production issue resolution.
• Contribute to documentation, knowledge sharing, and continuous improvement of development practices.

Required Qualifications

• College diploma or university degree in Computer Science, Information Systems, Software Engineering, or equivalent practical experience.
• Minimum 10 years of hands-on software development experience.
• Strong hands-on experience in RPG ILE development.
• Solid experience with SQL and DB2 on IBM i.
• Good understanding of application design, performance tuning, and system reliability.
• Experience working through the full software development lifecycle including design, development, testing, implementation, and support.
• Proficiency using common enterprise IT development tools like Jira, Confluence, Asana, GitHub, Linear, ServiceNow, or other commonly used tools and systems.
• Hands-on experience with Java development.
• Experience designing or developing REST APIs.

Preferred Qualifications

• Familiarity with modern data formats and integration patterns such as JSON and XML.
• Experience working in ERP or supply chain / distribution systems.
• Knowledge of change management processes and development standards on IBM i platforms.
• Experience with IBS / Iptor ASW / Enterprise / DC1 is a plus.

Personal Attributes

• Ability to work independently while also contributing effectively within a collaborative team environment.
• Able to communicate professionally and effectively with technical and non-technical staff and with members of interdisciplinary teams.  Strong written, oral, and interpersonal communication skills.
• Strong analytical and problem-solving skills with attention to detail.
• Willingness to learn new technologies and adapt to evolving business and technical requirements.
• Self-motivated with a strong sense of ownership and accountability.
• Professional communication skills with both technical and non-technical stakeholders.
• Ability to prioritize tasks and perform effectively in a fast-paced environment.