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abreuclariana/README.md

👩🏻‍💻 Clariana Abreu

Senior Fullstack Developer | React, Next.js & AI Specialist

Upwork Top Rated LinkedIn

⚓ Background & Discipline

My name is Clariana Abreu, and I hold a degree in Systems Analysis and Development. Before transitioning to software engineering, I served for three years in the Brazilian Navy as a Computer Network Technician. This experience forged the discipline, resilience, and high-level technical standards that I apply to every line of code I write today.

🚀 Professional Expertise

I specialize in building scalable, high-performance web applications. My core stack includes React.js, Next.js, and TypeScript, with over 3 years of deep technical execution.

  • Current Lead: Front-End Development Lead at HappyKids.ai (Luxembourg), an educational platform focused on children's mental health.
  • Freelance Expert: Top Rated Developer on Upwork, delivering solutions for international clients (Canada, Brazil, Luxembourg).
  • AI Integrator: Expert in implementing AI Agents and semantic search solutions to enhance user experiences.

🛠️ Tech Stack

  • Frontend: React 19, Next.js 16 (App Router), TypeScript, Tailwind CSS, Vite, Zustand.
  • Backend: Node.js, Express, Python (Django).
  • Database & Tools: PostgreSQL (Supabase), MongoDB, Docker, Nginx, Stripe API.
  • AI: OpenAI API (GPT-4o), pgvector (Semantic Memory), Web Scraping (Cheerio).

📂 Featured Projects & Results

1. Consulting Scheduler (Next.js SaaS) - 🇧🇷 Brazil

A high-performance SaaS for automated scheduling and AI-driven support.

  • AI-Powered: Floating chat assistant with semantic memory using pgvector for context-aware responses.
  • Financials: Full Stripe integration (Elements & Webhooks) for real-time payment processing.
  • Stack: Next.js 16, React 19, Supabase, Deno Edge Functions.

2. Happy Kids Academy S.I.S. - 🇱🇺 Luxembourg

Leading the front-end for a multi-service educational platform.

  • Role: Full-Stack Development Lead.
  • Architecture: Orchestrated a microservices environment using Node.js, Django, and Docker.
  • Impact: Developed a trilingual, highly accessible interface for children and educators.
  • website https://happy-kids.lu/

3. AI SEO Analysis Chrome Extension - 🇨🇦 Canada

Browser-based tool for real-time SEO scoring.

  • Innovation: Implemented scoring logic via DOM analysis using Manifest V3.
  • Result: A production-ready extension with a responsive UI prepared for OpenAI API scaling.

"Combining military precision with modern software engineering to build high-impact digital products."

🤖 Languages & Tools

                           

📫 Connect with me

Pinned Loading

  1. nextjs-ts-consulting-scheduler nextjs-ts-consulting-scheduler Public

    Full-Stack SaaS Scheduler: Next.js 16 (App Router), TypeScript, Supabase (RLS/pgvector), Stripe Payments, and AI Chat Widget with Semantic Memory.

    TypeScript

  2. web3-ai-agent-dashboard web3-ai-agent-dashboard Public

    A mission-focused Web3 Dashboard that uses AI to audit wallet liquidity with a military-grade (and sarcastic) attitude. Built with Next.js 15, Wagmi, and OpenAI.

    TypeScript

  3. my-portifolio my-portifolio Public

    nextjs-state-management-ux-showcase. This portfolio is always in progress to ensure a better interactive experience

    TypeScript

  4. Authentication-System Authentication-System Public

    Authentication System

    EJS