Juan Francisco Paez
@juanfranpaezz
Backend engineer — Java 21 / Spring Boot, fintech payments (double-entry ledgers, idempotency, concurrency) + secure LLM/agent work. Wortise from Oct 2026.
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1 MCP Serveracross 1 categoryjuanfranpaezz
Java 21 / Spring Boot payments core: append-only double-entry ledger, idempotency and safe concurrency, plus an MCP server (OAuth 2.1) for AI-assisted auditing and post-quantum (ML-DSA) signing of the journal.
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