Centurion: Senior RPG Developer posted by Psybergate

About the Role

We are seeking a highly experienced and skilled Centurion: Senior RPG Developer to join our team at Psybergate. As a key member of our software development team, you will be responsible for delivering high-quality software aligned to Sprint and Program Increment objectives, while ensuring delivery meets Product Owner and business expectations within timelines.

Key Responsibilities

• Deliver high-quality software aligned to Sprint and Program Increment objectives
• Participate in Agile ceremonies (planning, stand-ups, demos, retrospectives)
• Break down and estimate work items and define technical approaches
• Ensure delivery meets Product Owner and business expectations within timelines
• Translate business requirements into technical specifications within the RPG/IBM i landscape
• Own solution design for features and ensure high design quality
• Align solutions to architecture, governance, and standards (data, APIs, security, etc.)
• Identify and manage dependencies early to avoid delivery risks
• Mentor and coach junior developers and team members
• Provide technical guidance to BSA and QA teams (system behaviour, integration, data flows)
• Foster a collaborative, learning-focused team culture
• Conduct code reviews and enforce development standards
• Drive refactoring, simplification, and reduction of legacy complexity
• Promote CI, unit testing, and disciplined change management
• Ensure maintainable, scalable, and high-quality solution
• Apply AI responsibly to improve productivity and quality within governance frameworks
• Ensure secure usage of enterprise-approved AI tools only
• Validate all AI-generated outputs for accuracy, security, and compliance
• Integrate AI into team practices (code reviews, documentation, testing, etc.)
• Use AI for legacy system understanding, dependency mapping, and business rule identification
• Support refactoring and modernisation of RPG code
• Enhance code reviews, test scenario generation, and documentation
• Assist with DB2/SQL optimisation and legacy artefact interpretation
• Propose controlled AI-driven improvements aligned to governance
• Support DevOps, build/release processes, and environment stability
• Participate in incident management (resolution, root cause analysis, prevention)
• Apply operational processes (P1–P4 classifications and controls)
• Identify and mitigate security risks early
• Support compliance and remediation of vulnerabilities
• Contribute to risk visibility and mitigation planning
• Communicate progress, risks, and technical scope clearly
• Collaborate across teams and maintain strong working relationships
• Maintain clear technical documentation and design artefact
• Adhere to change management and Jira tracking standards

Requirements

• Bachelor’s degree in Computer Science, IT, or a related field
• 7+ years’ experience in RPG development (RPG IV / ILE RPG) and maintaining applications in a business environment
• Strong experience working with IBM iSeries (AS/400) systems and associated technologies
• Proven experience designing, developing, and maintaining RPG applications
• Experience implementing and monitoring technical AI tools within the SDLC
• Solid understanding of Agile methodologies and delivery frameworks
• Experience with solution design and architecture alignment
• Strong leadership and mentoring capability
• Experience with code reviews, refactoring, and engineering best practices
• Knowledge of DevOps, CI/CD, and operational support
• Strong understanding of security, risk, and compliance within SDLC
• Experience using AI tools within software development environments
• Ability to apply AI responsibly and securely in line with governance standards
• Ability to validate AI outputs and ensure secure usage

Qualifications

• Advanced degree or relevant certifications (optional)

Salary & Benefits

• Competitive salary package (salary details not specified)