AI & LLM product engineering
RAG over Spanish-language corpora, GPT-4 / Claude / Llama-3 integrations with proper guardrails, AESIA-ready conformity packs, AI agents for back-office automation in banking and insurance.
Fintech & payments
PSD2 and PSD3 integrations, Bizum and SEPA Instant rails, Iberpay connectivity, KYC/AML against AEAT and INE registers, Veri*Factu / SII e-invoicing, open-banking aggregators.
Spain–LATAM platforms
Multi-region AWS or GCP topology spanning eu-south-2 and sa-east-1, locale-aware product flows (es-ES / es-MX / es-AR / pt-BR), PIX + OXXO + Mercado Pago alongside Bizum.
EU AI Act compliance
Spain is first to enforce: AESIA is operational in A Coruña. We classify systems by risk tier, write conformity assessments, build the technical documentation pack, and prep for post-market monitoring.
Dedicated teams & staff aug
Two-to-nine person pods of senior full-stack, mobile, data, and DevOps engineers embedded into your Jira and your Slack, with a delivery lead who reports to your VP of Engineering.
Fractional CTO
2 to 8 days per month of senior CTO judgement: hiring plans, architecture review, vendor selection, board reporting, and technical due diligence for funded Madrid founders pre-Series-A through B.