We're looking for a System Architect (Application Responsible) to join our team in Madrid, Spain, in a hybrid working mode. In this role, you will take end-to-end ownership of a critical internal application based on the Actico Rules platform, combining operational accountability with system architecture contributions. You will ensure the application's availability, stability, and compliance with enterprise standards while driving continuous improvement, lifecycle planning and strategic alignment with target architectures.This unique position offers a mix of hands‑on technical responsibility and architectural decision‑making, requiring an ability to collaborate across functional, technical and infrastructure teams within a highly regulated financial services environment.ResponsibilitiesTake full accountability for application stability, performance and lifecycle planningServe as the primary contact for operational, functional and technical queriesConduct periodic health checks, performance tuning and capacity forecastingControl and govern application changes,



including risk assessments and rollback strategiesCoordinate with development and infrastructure teams to resolve incidents and implement updatesMaintain accurate and comprehensive application documentation (runbooks, service catalogs)Manage rationalization or decommissioning plans where applicableCollaborate with Enterprise Architects on enhancements, integrations and target architecturesEnsure compliance with IT security baselines, integration standards and cloud‑first principlesGuide modularization efforts, API exposures, observability frameworks and migration strategiesIdentify and address technical debt, scalability issues and modernization opportunitiesPromote service reusability for shared technologies (logging, monitoring, identity management)RequirementsDegree in Computer Science, Engineering or related fieldProven experience managing operational lifecycle of front/middle‑office banking systemsProficie

📌 Senior System Architect – Pega Certified (Madrid)
🏢 Epam
📍 Madrid