Company Description: MestrIA is a service platform providing end-to-end document intelligence solutions tailored for legal and financial teams across Europe---including law firms, banks, real estate servicers, debt recovery specialists, and insurers, insurance companies, transportation industry.. While generic AI tools struggle with complex, jurisdiction-specific documentation, MestrIA delivers complete, end-to-end workflows: automating data extraction from judicial and financial files, accelerating due diligence, and delivering confidence-scored, audit-ready precision. Backed by EU funding and based in Spain, our platform operates on GDPR-compliant, EU-based infrastructure aligned with the EU AI Act and is actively expanding across Europe with live production deployments.

As an early-stage Senior Full-Stack Product Engineer, you will shape both our core end-to-end service platform and our engineering foundations from day one. Working directly with the founders and cross-functional teams, you'll translate complex legal and financial workflows into secure, scalable, and maintainable software. Build responsive front-end interfaces, scalable APIs, database workflows,



and real-time processing status pipelines that deliver seamless client solutions.

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PostgreSQL models, AWS infrastructure, CI/CD, and monitoring with privacy-by-design principles (GDPR / EU data residency).

Backend: Python (FastAPI) and/or Node.js; Frontend: TypeScript, React, Next.js, HTML, CSS.

Data: PostgreSQL (relational modeling, migrations, performance tuning).

Cloud & DevOps: AWS (ECS/Fargate, App Runner, S3, CDK/IaC), Docker, CI/CD, and production monitoring. Skilled in integrating 3rd-party APIs, AI services, file upload flows, and background processing. Awareness of GDPR, EU data-residency requirements, and secure handling of sensitive data. Professional fluency in English. Spanish or another EU language is a plus.

Background: Bachelor's degree in CS/Engineering (or equivalent hands-on experience / final-year students with strong production work).

Impact: High ownership in an early-stage, fast-growing startup backed by EU funding. Hybrid working model based in Madrid, A Coruña, or Barcelona with work-from-home flexibility.

📌 Full Stack Developer (Hybrid/Remote) (Madrid)
🏢 Tamarind Intelligence
📍 Madrid