Senior Pega Developer (Certified Senior System Architect - CSSA) - ACTIVE SECURITY CLEARANCE

Project overview

Role Overview

We are seeking an experienced Senior Pega Developer (Certified Senior System Architect - CSSA) to support delivery across critical work packages within a large-scale public sector transformation programme. The ideal candidate will bring strong expertise in Pega application development, workflow design, defect resolution, and technical debt remediation within complex multi-vendor environments.

Fully Remote with occasional travel to UK sites. ACTIVE SECURITY CLEARANCE

The successful candidate will establish a strong understanding of the existing application landscape before contributing to development activities, ensuring high-quality, guardrail-compliant solutions while supporting knowledge transfer and continuous improvement objectives.

Key Responsibilities

Shadow the existing platform and delivery workstreams to gain comprehensive understanding of the Pega estate, business rules, and application architecture.

Support WP2 architecture activities and contribute to technical debt assessment and prioritization.

Execute WP6 fix-forward development sprints against approved and groomed backlogs.

Develop, test, and promote Pega solutions through controlled release processes.

Resolve defects and production issues within inherited and multi-vendor application environments.

Ensure all developments comply with Pega guardrails, coding standards, and platform best practices.

Participate in sprint planning, peer reviews, and acceptance activities.

Collaborate closely with Serco, Akkodis, and client engineering teams to deliver effective knowledge transfer during sprint execution.

Maintain sprint-level acceptance evidence and contribute to continuous improvement initiatives.

Required Skills & Experience

11+ years of software development experience.

9+ years of hands-on Pega development experience.

Pega Certified Senior System Architect (CSSA).

Strong experience in:

o Pega Application Configuration

o Case Management & Workflow Design

o Defect Resolution in Existing Pega Estates

o Pega Integrations & Services Development

o Guardrail-Compliant Development

o Unit Testing & Peer Reviews

o Technical Debt Remediation

o Agile Delivery Methodologies

Experience working across large-scale, multi-vendor delivery environments.

Strong troubleshooting, problem-solving, and stakeholder collaboration skills.

Experience within UK Public Sector environments is highly desirable.

Technical Expertise

Pega Platform Development

Case Lifecycle & Workflow Configuration

Pega Integration Services & APIs

Rule Management & Application Design

Application Modernization & Defect Resolution

Technical Debt Assessment & Remediation

Agile/Scrum Delivery

Test-Driven Development & Quality Assurance

Knowledge Transfer & Collaborative Delivery

Certifications

Pega Certified Senior System Architect (CSSA) - Pegasystems

Pega Certified System Architect (CSA) - Pegasystems

(ACTIVE SECURITY CLEARANCE)

Project details

• Start: flexible
• Location: United Kingdom, GB
• Rate: 50-50 EUR/h