Freelancer profile translated to English.
Back to original languageAbout Javier
Specialist in migrations and modernization from legacy to greenfield. Development of ERP for the financial, defense, pharmaceutical, logistics, aviation, and insurance sectors.
AI Integration.
Business Process Analysis.
Spanish
Native or bilingual
English
Fluent
German
Basic
Remote only
Primarily works remotely
Experience
- Regulated Financial Institution (confidential)Software Architect & Technical Lead — Fintech & Payments ERPSOFTWARE PUBLISHINGNovember 2024 - Today (1 year and 9 months)León, SpainSole architect of a modern ERP for a regulated FX and payments entity. Design and implementation in .NET 9 with DDD, CQRS, and event-driven architecture, multi-DB (Oracle, SQL Server, PostgreSQL). Central piece: a financial product configurator (Silverston meta-schema + Product-Factory + FpML/ISO 20022) that models spot, FX hedging, and commissions by role as the same dated product. Domain-driven legacy modernization; ~€20M estimated cost avoidance.
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