AI Engineer | GenAI, Agents & Product Development

Miguel Á. Benítez Alguacil

BIO
AI Engineer specialized in production-ready LLM agents, RAG systems and full-stack AI products. I combine LangChain, LangGraph, FastAPI, React and vector databases to turn AI prototypes into reliable, usable software.

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Projects

Some of the projects I've worked on

Minecraft Butler AI

PythonFastAPILangChainLangGraphRAGWebSocketJava

LLM agent integrated into Minecraft through a custom mod. The JWT-authenticated backend exposes a LangGraph agent with RAG that understands the game context and decides and executes actions inside the world.

Backend Mod View details

Master's Thesis: Detecting Sexism on Social Media with BERT and LLMs

PythonPyTorchTransformersBERTModernBERTFastAPIReactSQLite

Master's thesis comparing fine-tuned BERT/ModernBERT models against zero/few-shot LLMs for detecting explicit and implicit sexist language on social media.

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Inventory & Operations Platform for an Auto Parts Store

PythonFastAPIReactTypeScriptPostgreSQLSQLAlchemyOCRDockerCaddy

Full-stack inventory and operations platform for an auto parts store: syncs and extends the Factusol/SDELsol API, automates supplier invoice processing with OCR, cross-references equivalent products across brands to surface alternatives, and turns staff phones into real-time connected PDAs.

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FastAPI + React Template

PythonFastAPIReactTypeScriptDocker

Full stack template with SDD and development best practices. Includes pre-commit hooks, Git Flow, Docker, and modular structure for production projects.

View repository View details

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Stack

AI & Data

LangChain

LangGraph

RAG

PyTorch

TensorFlow

Development

Python

FastAPI

React

TypeScript

Next.js

Databases

Milvus

Qdrant

SQL Server

MongoDB

MySQL

Tools

Docker

Git

GCP

Azure

Languages

Spanish (Native)

English (C1)

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Experience

Data Scientist & AI Engineer

Dec 2024 — Apr 2026

GPU Solutions (BIAI Technology)

Design and development of LLM agents using LangChain and LangGraph, following a multi-agent architecture with layer separation (Clean Architecture), integrated into channels such as WhatsApp, Microsoft Teams, and a web interface.
End-to-end project development in Python (FastAPI) + ReactJS, applying best practices: modular architecture, typing, validation, error handling, and traceability (pre-commit, Git Flow).
Implementation of data extraction and transformation pipelines in Python to feed the RAG system, indexing into vector databases (Milvus/Qdrant).
Model and agent monitoring based on logging and dashboards for tracking performance, errors, and usage.

Technical Lead (AI Projects)

Oct 2023 — Nov 2024

Educa Edtech Group

Leadership of a multidisciplinary software and data team, ensuring delivery of high-quality projects aligned with company objectives.
Implemented agile methodologies to optimise workflow, improve team collaboration, and reduce delivery times.
Designed and maintained a centralised database (MySQL/BigQuery) and developed ETL pipelines in Python to ingest and unify data from analytics tools and other internal databases.
Coordinated team communication with different departments, ensuring that expectations and project requirements were met efficiently.

Junior Data Scientist

Aug 2022 — Oct 2023

Educa Edtech Group

Implemented an automatic translation project for text, video, and images using advanced NLP techniques.
Collaborated with the marketing department to analyse websites, detecting content inconsistencies using analytics connectors.
Designed and developed an AI-powered centralised platform to host content from all group websites, optimising information management and distribution.
Designed a product information synchronisation system across different databases, ensuring data consistency and currency throughout the central platform.

Junior Software Developer

May 2022 — Aug 2022

Educa Edtech Group

Designed SQL databases, ensuring efficient and scalable data structures.
Developed APIs in Python (FastAPI), facilitating communication and integration between systems.
Supported software project development using PHP (Laravel and Phalcon), as well as contributing to the company's CRM development.

Internship - Web Area

Mar 2021 — Oct 2021

CEPRUD (Universidad de Granada)

Managed and maintained CMS platforms (WordPress and Drupal), including the implementation of new features in Drupal to improve platform stability and usability.

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