Lead Core Insurance Architect

Description

**Location:** Madrid **Other locations:** Primary Location Only **Salary:** Competitive **Date:** Jun 30, 2026 Job description **Requisition ID:** 1721921 At EY, we shape the future with confidence. Here, you’ll find more than a job: an opportunity to grow, learn, and make an impact. Join our 7,000 professionals across 15 offices in Spain and a global network of 400,000 people working daily to transform businesses and societies. ShapeTheFutureWithConfidence \| \#EYCareers \| \#BuildingABetterWorkingWorld The opportunity Within the Emerging Technologies area for the Insurance sector, the candidate will join strategic programs migrating the Core Insurance platform to a SaaS model, serving as the responsible party for defining the target architecture and the architecture governance model. The role requires designing and establishing the foundation for a decoupled, modular, domain-oriented architecture that enables coexistence between legacy systems and the new SaaS Core. The candidate will act as the architectural reference for the program, ensuring technical decision consistency, adherence to principles (API-first, event-driven, layer separation), and alignment among business, architecture, and technology. **Your key responsibilities:** Definition of the target architecture for the insurance ecosystem: Definition of the architectural model (headless vs. full-stack core) Definition of responsibilities between SaaS Core and satellite systems Design of a decoupled architecture (channels, processes, integration, core, data) Decoupling strategies between core and channels **Definition of architectural services:** API-first Event-driven architecture Domain separation (lightweight DDD) Incremental evolution Definition of the domain-based architecture model Identification of functional domains (subscriptions, portfolio, payments, etc.) Definition of ownership and responsibilities Domain interaction model Design of the coexistence model Legacy + SaaS Core coexistence strategy Definition of migration and decommissioning criteria Definition of the transition roadmap Synchronous vs. asynchronous processes **Definition of the architecture governance model:** Creation of a Design Authority Definition of design standards and principles Establishment of decision rules (adopt vs. adapt vs. extend) Orchestration vs. choreography Synchronous vs. asynchronous processes **Ensuring architectural quality in terms of:** Scalability Performance Resilience High availability Traceability and observability **Collaboration with:** Integration teams Business and operations teams Development and cloud teams Participation in transformation programs Core insurance migration Architecture modernization Operational model evolution Experience Technical Architecture Distributed architectures Decoupled and modular architectures Complex systems supporting legacy coexistence **Experience in:** Enterprise/technical architecture Core modernization Digital transformation programs Legacy architecture migration **Solution design focused on:** Decoupling Incremental evolution Complexity reduction Organizational scalability **Knowledge and application of architectural principles:** Domain-Driven Design (DDD) (desirable) Lean Architecture (desirable) Architecture governance models Core & Integration **Proven experience in:** Core insurance migration programs Legacy / new system coexistence Target model design **Use of integration platforms:** API Management Event-driven architecture Microservices Non-functional knowledge **Experience with focus on:** Performance Scalability Resilience Security Observability definition (monitoring, logs, traceability) High availability Insurance sector knowledge **Understanding of:** Core insurance platforms End-to-end insurance processes Traceability and regulatory requirements Requirements Bachelor’s degree in Computer Engineering, Telecommunications, or related field **Desirable:** Cloud certifications (AWS, Azure, GCP) Architecture or integration certifications (TOGAF, SAFe, etc.) 10+ years of technology experience, preferably in insurance/banking Technical skills **APIs:** REST, OpenAPI, Swagger **Integration:** Kafka, MuleSoft, Apigee, Kong, ESB **Cloud (desirable):** AWS, Azure, GCP **Containers:** Docker, Kubernetes **CI/CD:** Jenkins, GitLab CI, Azure DevOps What we offer Wellbeing and personal benefits EY Wellbeing HUB, featuring physical health programs (Wellhub) and mental wellbeing support. Life and Accident Insurance. **EY Flex Compensation Plan:** transportation, training, meal cards, childcare, and more. Bankinter Office with special conditions for EY professionals. Flexibility and work-life balance Hybrid work model, with flexibility based on project and team needs. Professional development **EY University:** continuous learning with personalized learning paths (100+ hours per year) Defined career path with annual reviews and real growth opportunities. **Support from day one through:** A Buddy to assist with your onboarding. A Counselor to support your professional development throughout your journey. Culture and work environment Dynamic, collaborative, and inclusive environment. Opportunity to work with global, multidisciplinary teams. Continuous expansion of your professional network within a leading firm. Social commitment Participation in social commitment initiatives through the EY Foundation and EY’s own Social Impact programs in Spain. A genuine commitment to sustainability, diversity, and corporate responsibility. \#LI\-HYBRID **.jobDisplay { padding\-top:** 40px; } div\#search\-wrapper { display: none; } » Start applying with LinkedIn **a.dialogApplyBtn { display:** none; }