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AI Lead Engineer @ Goil

juliol del 2025 — Actual

Leading the technical architecture of the AI platform across the Goil ecosystem. Building LLM conversational layers, custom RAG pipelines (pgvector + OpenAI embeddings), an LLM gateway with per-client cost monitoring, a multitenancy platform for AI-generated web/app hosting. Stack: Next.js, Express, TypeScript, Vercel AI SDK, MongoDB, PostgreSQL.

  • Leading the development of the AI platform across the entire Goil ecosystem.
  • Implementation of LLM-based conversational layers.
  • Integration of customer knowledge bases using embeddings and vector databases (RAG).
  • Development of a proprietary multitenancy platform for AI-generated web page and application hosting.
  • Automation of internal processes through AI (document generation, summaries, data analysis, code review).
  • Creation of a voice gateway based on ASR and TTS with multitenancy support.
  • Implementation of cost control and AI usage monitoring middleware for clients (LLM Gateway).

AI · LLM · RAG · Vector DBs · ASR · TTS · Multitenancy · LLM Gateway · FinOps

Software Engineer @ Decathlon Technology Spain

gener del 2024 — juliol del 2025

Led frontend development for Corporate Operations and People domains. Introduced E2E test automation and advocated for QA Engineering best practices.

  • Led the frontend development initiative for the Corporate Operations and People domains, ensuring a scalable and maintainable architecture with Vue, TypeScript, and Java Spring.
  • Introduced end-to-end test automation using Cypress and Cucumber, significantly improving test coverage and reducing manual QA efforts.
  • Advocate for QA Engineering best practices, focusing on quality engineering, and high-performance frontend architectures.

Vue · TypeScript · Java Spring · Cypress · Cucumber · QA · Frontend Architecture

Innovation Manager @ Decathlon Technology Spain

gener del 2023 — febrer del 2024

Designed and deployed a new innovation framework, led POC implementations, and identified market opportunities through data analysis.

  • Designed and deployed a new innovation framework, reducing MVP development time to 3 months.
  • Led POC implementations to validate new business model hypotheses, ensuring feasibility before scaling.
  • Deployed solutions at the edge of Decathlon’s information system, enabling rapid innovation without disrupting core operations.
  • Identified market opportunities through data analysis.
  • Led innovation workshops on OKR, Business Model Canvas, market analysis, intrapreneurship.

Innovation · MVP · POC · Data Analysis · Agile · Strategy

Software Engineer @ Decathlon Technology Spain

març del 2022 — març del 2023

Developed the first e-commerce marketplace for the Decathlon group and created a real-time product recommendation system.

  • Developed the first e-commerce marketplace for the Decathlon group using Vue, Node.js, and MongoDB.
  • Created a real-time product recommendation system between individuals based on WebSockets.

Full Stack · Vue · Node.js · MongoDB · WebSockets · E-commerce · Marketplace

IT Systems Engineer @ Decathlon Spain

novembre del 2019 — març del 2022

Managed IT infrastructure, led asset withdrawal, and automated large-scale network deployments.

  • Managed IT infrastructure across 30 locations, ensuring system uptime.
  • Led the withdrawal of end-of-life IT assets.
  • Procured and deployed €1.7M worth of IT assets, optimizing costs.
  • Automated the deployment of 500 network switches across 155 locations.

IT Infrastructure · Asset Management · Cost Optimization · Network Automation

Software Developer @ Decathlon Spain

abril del 2018 — novembre del 2019

Developed backend services and collaborated with DevOps to improve deployments and reliability.

  • Developed backend services using PHP Symfony, JavaScript, API-REST, MySQL, and MongoDB.
  • Worked closely with the DevOps team to streamline deployments and improve system reliability.

PHP · Symfony · JavaScript · API REST · MySQL · MongoDB · Backend · DevOps

Sales Specialist @ Decathlon Spain

agost del 2015 — novembre del 2019

Developed and launched a customer-facing application, supporting stores in multiple countries.

  • Solo developed and launched a customer facing application in PHP & JavaScript, used across Spain, Portugal, and Poland store locations.

PHP · JavaScript · Customer Application · Sales

IT Support Technician @ Decathlon Spain

gener del 2014 — agost del 2015

Resolved IT incidents and led a hardware and software upgrade project across 1,300 POS terminals.

  • Resolved IT incidents and led a hardware and software upgrade project across 1,300 POS terminals.

IT Support · Hardware Upgrade · Software Upgrade · Project Management

Editor @ Difoosion SL

gener del 2011 — desembre del 2014

Published blog articles on technology and productivity.

  • Published blog articles on tech and productivity.

Content Creation · Editing · Technology · Productivity