About João
English
Native or bilingual
Portuguese
Native or bilingual
Spanish
Conversational
Experience
- Olympus MLCo-Founder, AI EngineerAugust 2024 - Today (1 year and 10 months)Lisbon, PortugalAI Services and Consulting for clients mainly in Portugal, focusing on AI Agents and Workflow Automation
- Olympus MLCo-Founder & AI EngineerJune 2025 - Today (1 year)• - Designed, developed, and launched pennylogo.com, a full-stack SaaS platform that transforms photos of people and pets into detail-accurate emojis in seconds• - Grew to 100+ active users within the first weeks of launch, validating product market fit and driving early adoption across diverse audiences• - Positioned pennylogo.com as a fun, fast, and accessible alternative to custom illustration, making personalized emojis available to creators, influencers, startups, and communities worldwide
- (Plant Company Collaboration)AI Engineer ConsultantNovember 2024 - August 2025 (9 months)• - Developed Plant AI Agent, an intelligent procurement and budgeting system for the plant industry, automating manual workflows, saving significant time• - Implemented multilingual natural language processing (PT/EN) with OpenAI GPT-4.1 , enabling accurate extraction of plant names, quantities, and specifications from unstructured emails, documents, and chat messages• - Engineered semantic product matching with vector embeddings and cosine similarity across a 10,560+ plant database, supporting informal descriptions, synonyms, and naming variations• - Built a modern web interface (Next.js 15, React 19, TypeScript, FastAPI) with real-time budget tables, drag-and-drop interactions, confidence-based indicators, and exportable procurement workflows• - Integrated multi-format input support (emails, PDFs, Excel, DOCX, images) to unify procurement channels into a single intelligent system• - Delivered measurable results: reduction in budget creation time, processing of 150+ items per request, sub-second product matching, and error reduction in procurement quotes• - Designed scalable architecture using OpenAI GPT-4.1 , Sentence Transformers, vector databases, and MCP Protocol for robust, future-proof automation
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Education
- Master of Science - MScInstituto Superior Técnico2023Master of Science - MSc
- Master thesis, AutonomousEscola Superior Náutica Infante D. Henrique2023Master thesis, Autonomous