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I build high-performance web applications and AI-powered tools that scale to millions of users. What I Deliver - Proven Scale: Built products in fintech, mobility, and SaaS used by millions - AI Expertise: Production-grade work with OpenAI, Claude, LangChain, RAG, LLM fine-tuning - Data Engineering: Robust pipelines with BigQuery, Snowflake, dbt, ETL Core Tech Stack - Frontend/Backend: React, Node.js, Python, TypeScript, PostgreSQL - Cloud/DevOps: AWS, GCP Background - Computer Science, King's College London - Fluent in English & Spanish Available for fixed-price projects and hourly work. Message me with your project details! I reply within a few hours.…I build high-performance web applications and AI-powered tools that scale to millions of users. What I Deliver - Proven Scale: Built products in fintech, mobility, and SaaS used by millions - AI Expertise: Production-grade work with OpenAI, Claude, LangChain, RAG, LLM fine-tuning - Data Engineering: Robust pipelines with BigQuery, Snowflake, dbt, ETL Core Tech Stack - Frontend/Backend: React, Node.js, Python, TypeScript, PostgreSQL - Cloud/DevOps: AWS, GCP Background - Computer Science, King's College London - Fluent in English & Spanish Available for fixed-price projects and hourly work. Message me with your project details! I reply within a few hours.

Eduardo Fidalgo Lorente

AI Engineer, Data Scientist, Full Stack Developer, +1

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I build high-performance web applications and AI-powered tools that scale to millions of users. What I Deliver - Proven Scale: Built products in fintech, mobility, and SaaS used by millions - AI Expertise: Production-grade work with OpenAI, Claude, LangChain, RAG, LLM fine-tuning - Data Engineering: Robust pipelines with BigQuery, Snowflake, dbt, ETL Core Tech Stack - Frontend/Backend: React, Node.js, Python, TypeScript, PostgreSQL - Cloud/DevOps: AWS, GCP Background - Computer Science, King's College London - Fluent in English & Spanish Available for fixed-price projects and hourly work. Message me with your project details! I reply within a few hours.…I build high-performance web applications and AI-powered tools that scale to millions of users. What I Deliver - Proven Scale: Built products in fintech, mobility, and SaaS used by millions - AI Expertise: Production-grade work with OpenAI, Claude, LangChain, RAG, LLM fine-tuning - Data Engineering: Robust pipelines with BigQuery, Snowflake, dbt, ETL Core Tech Stack - Frontend/Backend: React, Node.js, Python, TypeScript, PostgreSQL - Cloud/DevOps: AWS, GCP Background - Computer Science, King's College London - Fluent in English & Spanish Available for fixed-price projects and hourly work. Message me with your project details! I reply within a few hours.

Available to hire

Madrid, Spain

I build high-performance web applications and AI-powered tools that scale to millions of users.

What I Deliver

Proven Scale: Built products in fintech, mobility, and SaaS used by millions
AI Expertise: Production-grade work with OpenAI, Claude, LangChain, RAG, LLM fine-tuning
Data Engineering: Robust pipelines with BigQuery, Snowflake, dbt, ETL

Core Tech Stack

Frontend/Backend: React, Node.js, Python, TypeScript, PostgreSQL
Cloud/DevOps: AWS, GCP

Background

Computer Science, King’s College London
Fluent in English & Spanish

Available for fixed-price projects and hourly work. Message me with your project details! I reply within a few hours.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Spanish; Castilian

Fluent

English

Fluent

Portuguese

Advanced

French

Intermediate

Work Experience

Senior AI Engineer at Luzia

June 1, 2023 - March 1, 2026

Led the design and deployment of a multi-modal GenAI platform (WhatsApp-first) serving 1M+ monthly users, integrating RAG and fine-tuned LLMs for personalised finance Q&A, legal summarisation, and healthcare symptom triage — reducing response latency to under 1.8 seconds and cutting costs by 42%.

Fullstack AI Engineer at Tucuvi

January 1, 2021 - January 1, 2023

Developed and deployed end-to-end AI features and data pipelines across healthcare-focused products, enabling real-time model inference, A/B testing, and scalable deployment in a production environment.

AI & Data Engineer at Biorce

January 1, 2018 - January 1, 2021

Led data engineering across healthcare, finance, and legal domains; built GDPR-compliant data lakes and pipelines processing 10M+ records daily with 99.7% uptime; drove data quality and model lifecycle improvements.