PEGA SSA - Constellation Focus/Pega Platform '26 - 2 months - Start ASAP

Next Ventures; Netherlands; On-site; EUR 90,000 - 120,000; Full time

Job summary

Next Ventures seeks a Pega Senior System Architect (SSA) to lead a Proof of Concept (POC) for Pega Constellation in the Netherlands. Start ASAP for a two-month engagement focusing on architecture, UI design, and API integration to demonstrate business value.

You will drive technical decisions, guide Constellation best practices, and optimize performance while delivering the POC to stakeholders with hands-on leadership.

Qualifications

• Active Pega Certified Senior System Architect (PCSSA) or higher.
• Proven Constellation experience building applications.

Responsibilities

• POC Execution: design, build, and deliver a high-visibility POC using Pega Constellation.
• Architecture & UI Design: leverage Constellation view-based architecture and design system to build low-code, high-performance UIs.
• API & Integration: configure and optimize DX APIs (v2) for seamless Pega backend and UI interaction.
• Technical Leadership: guide team on Constellation best practices and guardrails.
• Performance Tuning: troubleshoot and optimize payloads, state management, and rendering speeds.
• Stakeholder Collaboration: present POC outcomes and feasibility metrics to technical and business stakeholders.

Skills

Pega Certification

Constellation Expertise

Pega Platform

SPA / React UI

REST API Integration

Agile & POC Mindset

Tools

REST API v2

Cosmos UI

Job description

PEGA SSA - Constellation Focus/Pega Platform '26 - 2 months - Start ASAP

We are seeking a high-caliber Pega Senior System Architect (SSA) with deep expertise in Pega Constellation to lead a critical Proof of Concept (POC). In this role, you will be the core technical driver responsible for validating architecture, building high-performance reactive UI applications, and demonstrating the business value of Pega's modern design system. You will bridge the gap between legacy Pega architectures and modern, API-driven Constellation applications to set the technical blueprint for our future enterprise solutions.

Core Responsibilities

• POC Execution: Rapidly design, build, and deliver a high-visibility Proof of Concept (POC) utilizing the Pega Constellation architecture.
• Architecture & UI Design: Leverage Constellation's view-based architecture, orchestration engine, and design system to build clean, low-code, and highly performant user interfaces.
• API & Integration: Configure and optimize DX APIs (v2) to ensure seamless communication between the Pega backend and the Constellation UI layer.
• Technical Leadership: Guide the team on Constellation best practices, guardrails, and limitations, steering them away from traditional section-based UI anti-patterns.
• Performance Tuning: Troubleshoot and optimize application performance, focusing on payload sizes, state management, and rendering speeds inherent to Constellation.
• Stakeholder Collaboration: Present POC outcomes, architectural advantages, and feasibility metrics to technical and business stakeholders.

Required Qualifications & Skills

• Pega Certification: Active Pega Certified Senior System Architect (PCSSA) or higher.
• Constellation Expertise: Proven, hands-on experience building applications using Pega Constellation (OOTB or extended via custom web components).
• Pega Platform: 5+ years of core Pega development experience (Pega 8.8 / 23 / 24 preferred).
• Modern UI Concepts: Strong understanding of single-page application (SPA) architectures, React-based UI components, and Pega's Cosmos design system philosophy.
• Integration Knowledge: Deep familiarity with Pega DX API v2, REST integration, and data transforms.
• Agile & POC Mindset: Ability to work autonomously in a fast-paced environment, prioritize features for minimal viable products (MVPs), and pivot quickly based on feedback.