I will develop full stack apps, ai, automation

M
marcostfreire
M
marcostfreire
Marcos Freire
develop full stack apps, ai, automation
develop full stack apps, ai, automation
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develop full stack apps, ai, automationdevelop full stack apps, ai, automationdevelop full stack apps, ai, automationdevelop full stack apps, ai, automation

About this gig

Are you looking for a modern, scalable, and AI-powered web application? You are in the right place!


I am a Full-Stack Developer specialized in building high-performance web apps using the most powerful technologies available in 2025. Whether you need a simple MVP to test your idea or a complex SaaS platform with Artificial Intelligence integration, I can help you bring it to life.

Technologies I Use:

  • Frontend: React.js, Next.js, Tailwind CSS, HTML5, CSS3
  • Backend: Python (Flask/Django), Node.js, Express
  • Database: MongoDB, PostgreSQL, Firebase
  • AI Integration: OpenAI API, LLMs, Custom AI solutions

What I Can Build for You:

  • Full-Stack Web Applications
  • AI-Integrated SaaS Platforms
  • Custom CRM & Dashboards
  • E-commerce & Marketplaces
  • RESTful APIs development

Why Choose Me?

  • Clean & Maintainable Code: I write code that is easy to understand and scale.
  • Modern UI/UX: Responsive designs that look great on mobile and desktop.
  • On-Time Delivery: I respect deadlines and communicate clearly.
  • 100% Satisfaction: I will work with you until you are happy with the result.


Please contact me before placing an order so we can discuss your project details and choose the best package for your needs.

  • Programming language

    • Python

  • Expertise

    • Performance
    • Security
    • Databases
    • Source control
    • Testing procedures

  • Frontend framework

    • React.js
    • Vue.js
    • Bootstrap
    • Tailwind CSS
    • Next.js

  • Backend framework

    • Express.js
    • Node.js
    • Flask
    • Next.js
    • Other

  • AI & low/no code builders

    • Other

Get to know Marcos Freire

Marcos Freire

Senior Full Stack Developer: Python, React, AI Expert

  • FromBrazil
  • Member sinceMay 2025
  • Avg. response time2 hours

  • Languages

    English, Portuguese
Hi, I'm Marcos! A Senior Full-Stack Developer with 5+ years of experience building scalable web & mobile apps. I bridge complex backend logic with beautiful interfaces. My Tech Stack: • Frontend: React.js, Next.js, Tailwind, Flutter • Backend: Python (Django/Flask), Node.js • AI: OpenAI API, Automation • DB: PostgreSQL, Firebase I’ve built SaaS CRMs, financial dashboards, and AI platforms. My code is clean, documented, and scalable. Whether you need an MVP or an enterprise solution, I'm ready to turn your vision into reality. Let's build something exceptional!

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