Guilherme Mazzolini
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    • Full-stack developer · Berlin

    Guilherme Mazzolini

    I build clean, responsive web apps — from polished landing pages to full-stack products. Background in Environmental Engineering, now focused on shipping practical solutions for real users.

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    Projects

    Sanches & Muniz
    Client

    Sanches & Muniz

    Website for a São Paulo law firm — practice areas, team story, and clear CTAs for consultations and WhatsApp, designed to feel trustworthy and convert visitors.

    • Next.js
    • React
    • Responsive
    Live site
    Rafael Hennig
    Client

    Rafael Hennig

    Portfolio for a Berlin-based photographer and cinematographer — gallery-first layout with about and contact, waiting on a custom domain.

    • Next.js
    • React
    • Vercel
    Live site
    MealPlan
    Personal

    MealPlan

    Community kitchen app to share recipes, plan the week, and build shopping lists — React front end with a Node back end.

    • React
    • Node
    • MongoDB
    Live site
    StyleShop
    Personal

    StyleShop

    E-commerce training store with catalog, cart, Stripe checkout, and GitHub/Google OAuth — still getting a final polish pass.

    • Next.js
    • Stripe
    • OAuth
    In progress

    Technologies

    Stack I use to ship client sites and full-stack products — including AI coding tools to move faster, with full ownership of the final result.

    Front-end

    • React
    • Next.js
    • TypeScript
    • JavaScript
    • Tailwind CSS

    Back-end & data

    • Node.js
    • Express
    • REST APIs
    • MongoDB
    • Stripe
    • AWS / Serverless

    Motion & product

    • GSAP
    • OAuth
    • Vercel
    • Netlify

    Tools

    • Git
    • Cursor / AI-assisted development

    About Me

    Based in Berlin, I moved into web development from Environmental Engineering — bringing an analytical mindset and a habit of solving messy, real-world problems. I freelance on custom web projects and am looking for a team where I can keep learning, contribute, and ship work that matters.

    1. 2022

      Started the Full-Stack Web Development program at Ironhack

    2. 05/2023

      Completed Scrimba’s Frontend Developer Career Path and began freelancing

    3. 11/2023

      Collaborated on two multidisciplinary projects in the TechLabs Digital Shaper Program

    4. 2024

      Completed TypeScript: The Complete Developer’s Guide on Udemy

    5. 2025

      Completed AWS SimuLearn: Serverless Developer

    Building useful web products, one project at a time.