Senior Pega Developer

Qualient Technology Solutions UK Limited; United Kingdom; Remote; GBP 90,000 - 130,000; Full time

Job summary

Qualient Technology Solutions UK Limited is seeking an experienced Senior Pega Developer (CSSA) to support delivery across a large-scale public sector transformation programme. You will apply Pega application development, workflow design, and guardrail-compliant coding practices.

You will work across multi-vendor environments, collaborate with Serco and Akkodis teams, perform defect resolution, and contribute to knowledge transfer and continuous improvement.

Qualifications

• 11+ years of software development experience.
• 9+ years of hands-on Pega development experience.
• Pega Certified Senior System Architect (CSSA).
• Strong experience in Pega Platform Development and Case Management.
• Experience working across large-scale, multi-vendor delivery environments.

Responsibilities

• Shadow existing platform and delivery workstreams to gain understanding of Pega estate.
• Support architecture activities and contribute to debt assessment and prioritization.
• Execute sprint development against backlogs.
• Develop, test, and promote Pega solutions through controlled releases.
• Resolve defects and production issues in multi-vendor environments.
• Ensure developments comply with Pega guardrails and standards.
• Participate in sprint planning, peer reviews, and acceptance activities.
• Collaborate with Serco, Akkodis, and client teams to transfer knowledge.

Skills

Pega Platform Development

Case Lifecycle & Workflow

Pega Integrations & APIs

Guardrail Development

Agile Delivery

Multi-vendor Delivery

Troubleshooting & Debugging

Knowledge Transfer

Job description

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.

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.


• 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:


• Pega Application Configuration


• Case Management & Workflow Design


• Defect Resolution in Existing Pega Estates


• Pega Integrations & Services Development


• Guardrail-Compliant Development


• Unit Testing & Peer Reviews


• Technical Debt Remediation


• 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