10/17/2026 updated
100 % available
AI Automation Developer | Python, n8n, RAG | Document Workflows
Alcoy, Spain
Only remote
Web Application Development (DAW), IES L'Estacio, 2023-2025About me
I automate document and administrative workflows with Python, n8n and LLMs. I build RAG pipelines with deterministic validation and human review so data reaches the right system with full traceability. I also ship full-stack products with React, Node.js and PostgreSQL.
AI AgentsLLMAutomationProcess AutomationDocument Process Automation
AI automation & document workflows
Hands-on experience automating document- and email-based processes with Python, n8n and LLMs. RAG pipelines with LangChain/LangGraph, source citations, deterministic validation, human-in-the-loop review and traceable outputs.
Full-stack development
React, Redux, Svelte, Vue, Next.js, HTML/CSS/SASS; Node.js, Express, Laravel, Spring/Spring Boot; JavaScript, TypeScript, PHP and Java; REST/API integrations; PostgreSQL, MongoDB and MySQL.
Mobile & AI products
React Native/Expo, Swift/SwiftUI, Core ML, TensorFlow.js, OpenAI and Whisper integrations; production apps, payments, analytics and multilingual delivery.
DevOps & quality
Docker, Git, CI/CD, Cypress, Jest and Vitest. AWS Cloud Practitioner (CLF-C01) and Microsoft Azure AI Fundamentals.
Experience
Professional experience0 - 5 years
Freelancer since2026
Languages
EnglishFluentSpanishNative speaker
Project history
Built and published a React Native/Expo app for oral exam preparation (DELF, TCF and IELTS). Implemented a Supabase/PostgreSQL backend with background queues, automatic speech transcription and LLM-based evaluation. Delivered six-market localization, E2E tests, analytics, in-app payments, TestFlight and Android closed testing.
Built and published a native iOS app in Swift/SwiftUI that scores English pronunciation entirely on-device. Fine-tuned a wav2vec2 acoustic model to English phonemes and converted it to quantized Core ML. Implemented phoneme-level scoring, analytics, explicit data consent and feature flags.
Budget management app with AI integration built using Laravel, Vue, Docker, PostgreSQL and AI (OpenAI + Whisper). Available at https://budgetapp.software.