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João LopesJL

João Lopes

Co-Founder & AI Engineer

€480/day
Lisbon, PT
3-7 years

Average response time: 1 hour

About João

Passionate problem-solver with experience developing end-to-end
intelligent systems that bridge generative ai, deep learning, computer
vision, natural language processing, and modern web technologies.

I would love to help you and participate in impactful projects, making them as good as I possibly can and matching your expectations.
  • English

    Native or bilingual

  • Portuguese

    Native or bilingual

  • Spanish

    Conversational

Remote only
Primarily works remotely

Experience

  • Olympus ML
    Co-Founder, AI Engineer
    August 2024 - Today (1 year and 10 months)
    Lisbon, Portugal
    AI Services and Consulting for clients mainly in Portugal, focusing on AI Agents and Workflow Automation
  • Olympus ML
    Co-Founder & AI Engineer
    June 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
    Fullstack API Web development Supabase Next.js
  • (Plant Company Collaboration)
    AI Engineer Consultant
    November 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
    Next.js AI Automation OpenAI API React.js

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Education

  • Master of Science - MSc
    Instituto Superior Técnico
    2023
    Master of Science - MSc
  • Master thesis, Autonomous
    Escola Superior Náutica Infante D. Henrique
    2023
    Master thesis, Autonomous

Skill set

Categories