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Javier HermosoJH

Javier Hermoso

Fintech Software Architect & Fractional CTO

€450/day
Madrid, ES
15+ years

Average response time: 1 hour

About Javier

Especialista en migraciones y modernización de legacy a greenfield. Desarrollo de ERP sector financiero, defensa, famarcia, logistica, aviación, seguros.
Integración de IA.
Analisis de procesos de negocio.
  • Spanish

    Native or bilingual

  • English

    Fluent

  • German

    Basic

Remote only
Primarily works remotely

Experience

  • Regulated Financial Institution (confidential)
    Software Architect & Technical Lead — Fintech & Payments ERP
    SOFTWARE PUBLISHING
    November 2024 - Today (1 year and 9 months)
    León, Spain
    Arquitecto único de un ERP moderno para una entidad regulada de FX y pagos. Diseño e implementación en .NET 9 con DDD, CQRS y arquitectura event-driven, multi-BD (Oracle, SQL Server, PostgreSQL). Pieza central: un configurador de producto financiero (meta-esquema Silverston + Product-Factory + FpML/ISO 20022) que modela spot, seguro de cambio y comisiones por rol como el mismo producto datado. Modernización legacy dirigida por el dominio; ~20 M€ de coste evitado estimado.
    Software Architecture Event-driven architecture Legacy Modernization Fintech · Payments · FX .NET

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Skill set

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