RPG Engineer

• Remuneration based on a B2B contract (via Devire)
• Rate: up to 180 PLN/h net + VAT
• Work: 100% remote
• Work in a diverse team of professionals in a collaborative corporate environment

This role is ideal for someone with deep knowledge of RPG who can act as a subject matter expert—either on a part-time or full-time basis—supporting architecture decisions, troubleshooting logic conversion, and accelerating the rewrite process.

Must-Have:

• Proven experience in RPG IV / ILE / Free Format development and maintenance.
• Strong ability to analyze and explain RPG logic clearly to teams unfamiliar with the language.
• Solid understanding of legacy IBM i (AS/400) environments and their toolchains.
• Prior experience in modernization or migration projects, especially involving RPG-to-Java transitions.

Nice-to-Have:

• Experience with Java and object-oriented programming principles.
• Familiarity with SQL and relational database schemas.
• Exposure to cloud platforms (e.g., AWS).
• Knowledge of GitHub or similar source control/collaboration tools.
• Understanding of IBM’s CloudFirst modernization strategy or related tools.

Responsibilities

As an RPG Engineer, you will:Act as a subject matter expert in RPG IV / ILE / Free Format development.

• Analyze and interpret complex RPG code, explaining business logic and architecture to non-RPG teams.
• Support modernization initiatives by guiding the migration of RPG applications to Java or other modern platforms.
• Define and validate strategies for RPG-to-Java transformation
• Assist development teams by answering technical questions, validating assumptions, and resolving edge cases during implementation.
• Collaborate with Java developers, architects, and analysts to ensure business logic is preserved and correctly implemented.
• Participate in agile ceremonies, technical discussions, and documentation activities.Provide technical oversight or hands-on coding support depending on the level of involvement (advisory or full-time)

Together We Will:

• Successfully migrate core business functionality from RPG to a modern, scalable Java-based architecture.
• Bridge the gap between legacy IBM i systems and cloud-native solutions.
• Collaborate in a respectful, expert-driven team environment focused on practical outcomes.
• Ensure business logic integrity while delivering a clean, maintainable codebase.
• Accelerate delivery by combining RPG domain knowledge with modern engineering practices.