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Lead Core Architect

EY·Madrid, Spain

What they offer

  • Hybrid

    Office and home days — the ad has the split.

What they ask for

  • Have the right to work in Spain

    EY doesn't mention sponsorship in the ad.

  • Speak fluent Spanish

    Listed as a requirement in the ad.

  • Be near Madrid for hybrid days

    No relocation package mentioned.

  • Have 10+ years of experience

    Lead-level role.

Pulled from the advert automatically — the full ad is what counts.

Added 9 days ago
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What you'll do

Definition of the target architecture of the insurance ecosystem:

  • Definition of the architectural model (headless vs. full stack core)
  • Definition of responsibilities between the SaaS core and satellite systems
  • Design of a decoupled architecture (channels, processes, integration, core, data)
  • Decoupling strategies between core and channels

What you'll get

  • EY Wellbeing Hub, with physical health programs (Wellhub) and mental wellbeing support.
  • Life and Accident Insurance.
  • Flexible compensation plan: transportation, training, restaurant card, childcare, among others.
  • Bankinter office with special conditions for EY professionals.

Job description

At EY, we shape the future with confidence. Here you will find more than a job: an opportunity to grow, learn, and leave a mark.

Join our 7,000 professionals across 15 offices in Spain and a global network of 400,000 people working every day to transform businesses and society.

ShapeTheFutureWithConfidence | #EYCareers | #BuildingABetterWorkingWorld

The opportunity

Within the Emerging Technologies area in the Insurance sector, the candidate will join strategic programs for migrating insurance cores to a SaaS model, acting as the person responsible for defining the target architecture and the architecture governance model.

The role requires designing and establishing the foundations for a decoupled, modular, domain-oriented architecture, enabling coexistence between legacy systems and the new SaaS core.

He will act as the program's architectural reference, ensuring the coherence of technical decisions, the compliance with principles (first, event driven, layered) and the alignment between business, architecture, and technology.

Definition of architectural services

  • API-first
  • Event-driven architecture
  • Domain-driven design (lightweight DDD)
  • Incremental evolution

Definition of the domain-based architecture model

  • Identification of functional domains (subscription, payments, claims, etc.)
  • Definition of ownership and responsibilities
  • Domain interaction model

Design of the coexistence model

  • Coexistence strategy between legacy + SaaS core
  • Definition of migration and retirement criteria
  • Definition of the transition roadmap.
  • Synchronous vs. asynchronous processes

Definition of the architecture governance model

  • Creation of the Design Authority
  • Definition of standards and design principles
  • Establishment of decision rules (adopt vs. adapt vs. extend)
  • Orchestration vs. choreography
  • Synchronous vs. asynchronous processes

Ensure architecture 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

  • Insurance core migration
  • Architecture modernization
  • Operating model evolution

Technical architecture

  • Distributed architectures
  • Decoupled and modular architectures
  • Complex systems with legacy coexistence

Experience in

  • Enterprise/technical architecture
  • Core modernization
  • Digital transformation programs
  • Legacy architecture migration

Design of solutions oriented to

  • Decoupling
  • Incremental evolution
  • Complexity reduction
  • organizational scalability

Knowledge and application of architecture principles

  • Domain-Driven Design (DDD) (valuable)
  • Lean Architecture (valuable)
  • Architecture governance models

Core & Integration

Proven experience in

  • Insurance core migration programs
  • Legacy/new system coexistence
  • Target model design

Use of integration platforms:

  • API Management
  • Event-driven architecture
  • Microservices

Non-functional requirements

Experience focused on:

  • Performance
  • scalability
  • Resilience
  • security
  • Definition of observability (monitoring, logs, traceability)
  • high availability

Knowledge of the insurance sector

Understanding of:

  • Insurance core
  • End-to-end insurance processes
  • regulatory and traceability needs

Requirements

  • Degree in Computer Engineering, Telecommunications, or similar
  • Valuable:
    • Cloud certifications (AWS, Azure, GCP)
    • Architecture or integration certifications (TOGAF, SAFE, etc.)
  • More than 10 years of experience in technology, preferably in the insurance/banking sector

At a technical level

  • APIs: REST, OpenAPI, Swagger
  • Integration: Kafka, MuleSoft, Apigee, Kong, ESB
  • Cloud (valuable): AWS, Azure, GCP
  • Containers: Docker, Kubernetes
  • CI/CD: Jenkins, GitLab CI, Azure DevOps

Flexibility and work-life balance

  • Hybrid working model, with flexibility depending on the project and team.

Professional development

  • EY University: continuous training with an individualized learning path (more than 100 hours per year)
  • Defined career plan, with annual reviews and real growth opportunities.
  • Support from day one through:
  • A buddy for your integration.
  • A counselor for your professional development throughout your entire career.

Culture and work environment

  • A dynamic, collaborative, and inclusive environment.
  • Opportunity to work with global and multidisciplinary teams.
  • Constant expansion of your professional network at a leading firm.

Social commitment

  • Participation in social commitment initiatives through the EY Foundation and our own Social Impact programs in Spain.
  • Real commitment to sustainability, diversity, and corporate responsibility.

You'll most likely need Spanish to apply.This job was automatically translated to English, .

About the company

EY

EY

Consulting

View company profile
International company
395000 employees
Spain HQ: Madrid

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