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.

The Role

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.

What you'll do daily:

End-to-End Product Engineering: Build responsive front-end interfaces, scalable APIs, database workflows, and real-time processing status pipelines that deliver seamless client solutions.

AI Integration:Connect OCR, LLMs, and document processing pipelines with a focus on asynchronous workers, retries, and structured output validation.

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

What We’re Looking For

Core Tech Stack:

Backend: Python (FastAPI) and/or Node.js; experience building asynchronous jobs & RESTful APIs.

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 moni

📌 Full Stack Engineer (Madrid)
🏢 Tamarind Intelligence
📍 Madrid