Senior Pega Developer - Pega Certified Senior System Architect; CSSA)

We are seeking an experienced Pega Senior System Architect / Senior Pega Developer with Pega Certified Senior System Architect (CSSA) certification to support the delivery of fix-forward development activities within a large-scale Pega transformation programme.

The successful candidate will be responsible for configuring, developing, testing, troubleshooting and enhancing Pega applications against a prioritised delivery backlog. The role requires strong hands-on Pega development experience, particularly across case management, workflow configuration, integrations, defect resolution and production support
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You will work closely with Serco, Akkodis, Product Owners, Business Analysts, Architects and engineering teams to deliver high-quality Pega solutions through controlled Agile/Scrum delivery processes.

The ideal candidate will be comfortable working within an existing Pega estate, understanding established application patterns, resolving defects and implementing new business functionality while maintaining Pega guardrails, coding standards and architectural best practices
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• Develop, configure and maintain Pega applications using established design principles and Pega best practices.
• Configure business requirements and agreed use cases from the prioritised WP6 backlog
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• Design and implement Pega rules, workflows, case types, processes and application components.
• Ensure solutions are scalable, maintainable and compliant with platform standards.
• Work within existing application frameworks and understand inherited Pega estates before making changes.

• Configure and enhance Pega case types and case life cycles.
• Develop workflows, stages, processes, approvals and business rules.
• Implement business requirements using Pega's case management capabilities.
• Identify opportunities to simplify and improve existing workflows.
• Ensure business processes are implemented accurately and efficiently.
• Investigate and resolve Pega application defects.
• Analyse application behaviour, logs, rules and configurations to identify root causes.
• Support production issues and provide timely fixes within established change-control processes.
• Work with testing and business teams to validate defect fixes.
• Support User Acceptance Testing (UAT) and resolve issues identified during testing.

• Perform unit testing of developed Pega solutions.
• Participate in peer reviews and provide constructive feedback on Pega development.
• Ensure developments meet functional and technical requirements.
• Maintain high standards of code quality and application stability.
• Support regression testing and defect validation where required.
• Ensure sprint acceptance evidence is completed and maintained.
• Ensure all development follows Pega Guardrails and recommended design principles.
• Apply Pega coding standards and reusable design patterns.
• Identify and avoid potential performance, maintainability and scalability issues.
• Participate in code and design reviews.
• Contribute to technical debt identification and remediation.

• Develop and maintain integrations between Pega and external systems.
• Work with APIs and Pega integration services.
• Experience with REST, SOAP or similar integration technologies is expected.
• Troubleshoot integration issues and support end-to-end testing.
• Ensure integrations are implemented using appropriate Pega patterns and best practices.
• Participate actively in Agile/Scrum ceremonies, including:
• Daily stand-ups
• Sprint planning
• Sprint reviews
• Deliver development activities against agreed sprint commitments.
• Work closely with Product Owners and Business Analysts to clarify requirements.
• Provide technical input during backlog refinement and estimation activities.
• Contribute to continuous improvement initiatives.

• Promote application changes through controlled development, test and production environments.
• Follow established release and change-management procedures.
• Ensure all required testing and approvals are completed before deployment.
• Support release activities and post-release validation.
• Produce appropriate sprint acceptance evidence and technical documentation.

• Collaborate with Product Owners, Business Analysts, Architects and other development teams.
• Work closely with Serco and Akkodis delivery teams
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• Communicate technical issues and solutions clearly to both technical and non-technical stakeholders.
• Support knowledge transfer and…