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Roamly | Android app for international students (Kotlin + Supabase + Mapbox)
Erasmus university project: social app for international students and digital nomads who want to find events and people with shared interests. Solution: Android app with interactive Mapbox map, Supabase backend, auth and chat. Tech: Kotlin, Jetpack Compose, Supabase, Mapbox. Working prototype presented in Spain.
Supply Chain Tracker | Master thesis: Ethereum blockchain for traceability
Master's thesis: supply-chain traceability and contamination propagation problem. Solution: ERC1155 smart contract on Ethereum, IPFS storage, off-chain MongoDB for complex queries, BFS algorithm to simulate contamination. Tech: Node.js, Solidity, Hardhat. Thesis defended with honours.
Bankruptcy Prediction | ML with Random Forest, SVM and neural networks (Python)
Corporate bankruptcy prediction from financial statements: comparison of Random Forest, SVM and neural networks on company datasets. Problem: balancing precision and recall (F3-score). Solution: threshold tuning and randomised architectures. Tech: Python, scikit-learn, Jupyter. Academic project with replicable results.
Club Perfumes | E-commerce with international sales growth and technical SEO
Perfumery e-commerce aimed at sales growth and internationalisation. Solution: full-stack development, UX and conversion optimisation, technical SEO, sales funnels and integrations (Mailchimp, automations). Result: expansion into European markets, organic traffic growth, automations that reduce manual work.
Carnicería de Raúl | E-commerce for butcher shop in Madrid
Web project developed in Almería with an international team (Erasmus) for a butcher shop in central Madrid. E-commerce for product purchase, inventory management, Stripe payments. Solution: full-stack development with SEO focus, product catalogue, shopping cart. Tech: HTML, CSS, JavaScript, Stripe integration. Real project in international university context.
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