Gilberto

Gilberto Vecchi Macedo Professional Summary IT professional with 25+ years of experience in systems analysis, AI/ML, fullstack/mobile and web development, and UX/UI design. Skilled at building efficient, user centered solutions and leading teams as a Tech Lead. Recognized for clear communication, adaptability, and delivering high-impact results. Professional Experience Refriplay — 2025 (Present Part-time) • • • Senior React Web/Native Developer | Automation (n8n) | AI Agentic | UX/UI AI developer (workflows and IA pipelines) Python IA developer • • • UX/UI custom libs for web portals and mobile apps with React web/Native Expo Customer assistant for app mobile (in-app IA) Customer guidance for portals (Python + low consume IA) Clover Growth — 2025 Tech Lead | SEO Analyst | React Web Developer | Automation (n8n) | AI Prompt Engineer ⦁ Led SEO optimization and analysis for international clients. ⦁ Developed front-end applications with React (Web). ⦁ Built automation workflows using n8n/OpenAI, Perplexity, Cursor ⦁ Hands-on with Supabase, Maker, Fly.io, Qdrant, OpenAI/GPT, Lovable, and Cursor. Veloe —2024/2025 Machine Learning Engineer | UI/UX Designer | Data Governance ⦁ Delivered ML projects, generative AI, and prompt engineering. ⦁ Designed and implemented the Superportal and micro frontends for the AI platform. ⦁ Owned UI/UX design and execution. ⦁ Built AI agents for auditing company data assets and supporting governance. Roko —2023 Senior Frontend Developer (Angular/React) | Backend Developer (.NET Core) ⦁ Created reusable components and enforced UX/UI best practices. ⦁ Refactored Angular portal and improved maintainability. ⦁ Migrated legacy ASPX system to Angular. Medzoom Tecnologia —- (Freelancer) Fullstack Developer | Mobile Developer | UX/UI Designer ⦁ Backend development with .NET/Core. ⦁ Frontend with Angular, React, .NET MVC. ⦁ Mobile apps with Xamarin. ⦁ Designed and prototyped UX/UI interfaces. ⦁ Supported digital marketing initiatives. Easycode —- (Freelancer) ⦁ Web UX/UI Consultant | Mobile Developer (Xamarin) ⦁ Specialized in SPA solutions using Angular. ⦁ Developed a sound-based mobile payment protocol. ⦁ Built portals for the US market and Banco do Brasil automation portal. Swell IT —- Fullstack Developer | UI/UX Designer | Tech Lead ⦁ Delivered AR and Computer Vision projects. ⦁ Designed gamification systems for marketing campaigns. ⦁ Led a multi-disciplinary dev team (Android, Swift, Objective-C, .NET). MG Systems —- Fullstack Developer (Xamarin) | UX/UI Designer ⦁ Built backend APIs for multiple solutions. ⦁ Developed a real-time risk area monitoring system for Porto Seguro. Nortia IT —- UI/UX Designer | Mobile Developer | Tech Lead ⦁ Delivered .NET web projects for Bombril Group, Whirlpool, Microsoft. Gemco (now TOTVS) —- VB Developer | UX/UI | R&D Tech Lead ⦁ Redesigned UX/UI for ERP systems. ⦁ Researched and implemented emerging technologies (.NET, Mono). ⦁ Developed lead prospecting and conversion systems for retail. ⦁ Led the R&D team, supporting clients such as Carrefour, Leroy Merlin, GPA. Core Skills Software Development ⦁ C#, VB, Python, Java, TypeScript, Angular 17+, React web/native, .NET Blazor, .NET Core, .NET MAUI; ⦁ SPA architecture, Micro Frontends, Superportal (federation); ⦁ Unit testing (Jasmine, Karma); ⦁ UI/UX design patterns; prototyping, responsive design (SCSS, BEM); ⦁ Reusable component libraries (Angular); MVC/MVVM, Hexagonal Architecture. AI & Automation ⦁ Prompt engineering, AI agents, LLM integration; ⦁ Automation workflows (n8n, Maker); ⦁ OpenAI/GPT, Gemini, gRock, MS AI Foundry, Semantic Kernel. Databases & Integration ⦁ MS SQL, Oracle, MySQL, NoSQL (DocumentDB), QDrant; ⦁ API development, ETL pipelines, dbBeaver, OpenMetadata; ⦁ Data catalog governance (Azure Purview). UX/UI & SEO ⦁ On-page, Off-page, Technical SEO; ⦁ B2B/local keyword strategies; ⦁ Usability testing (heatmap, click/scroll tracking, surveys). Project & DevOps ⦁ Agile (Scrum/Kanban), Git, CI/CD (Azure DevOps), VSTS. Highlight Projects Veloe ⦁ Integrated ML with Azure AI Foundry + Semantic Kernel. ⦁ Built AI agents for database cataloging in 2 weeks (cutting 6 months of manual work). ⦁ Designed React/Angular Superportal and UI components library. ⦁ Delivered prompt multi agentic assistants for PO campaign creation. Gemco ⦁ Redesigned ERP UX/UI. ⦁ Created “Store of the Future” for GPA. ⦁ Built mobile POS for Leroy Merlin. Medzoom ⦁ Developed Telemedicine app with Xamarin. ⦁ Managed institutional online presence. Easycode ⦁ Built Angular SPAs and scalable portals. ⦁ Developed a mobile-to-mobile sound-based payment protocol. Swell IT ⦁ Sales system with AR integration. ⦁ Nike gamification system for Rio 2016 Olympics. ⦁ ML model for Sentiment analysis social media integrated. Education Bachelor's Degree: ⦁ Electronic Games Development (Game Design) ⦁ Universidade Cruzeiro do Sul/PR - Graduated 09/2020 Languages English: ⦁ English: Fluent reading/writing, advanced verbal communication (not fluent). Certifications and Recent Courses (2024/2025) ⦁ Advanced Angular 18+ ⦁ Python Programming ⦁ .NET Core Programming ⦁ TypeScript Programming ⦁ React/React Native ⦁ Mastering Generative AI & LLMs ⦁ Neural Networks with Python ⦁ AI Services with Microsoft Azure ⦁ Azure AI Fundamentals (Certified) ⦁ Power BI, Databricks Basics ⦁ Process automation with n8n and AI multi-agents (ongoing) ⦁ Amazon AWS and Azure infrastructure