Michael Willian logo.michael

In times of AI, human critical thinking is the most valuable asset to have.

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Senior Full-Stack Developer & Tech Lead

I design and build scalable web products, backend systems, and AI-powered solutions with a strong focus on performance, reliability, and product impact.

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About

Hi, my name is Michael Willian, and I am a senior full-stack developer with over six years of experience in the field. I first became interested in coding at the age of 13 and have been continuously learning and expanding my skills ever since. I have a passion for building intuitive, user-friendly web applications, and I am always striving to stay up to date with the latest technologies and best practices in the industry. I hope you enjoy my portfolio and the projects I have worked on throughout my career.

Featured Work

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Traveler's Pen Tales

Platform for authors to showcase novels in a captivating way and help their words reach more readers.

Personal project: I built everything, from the system to deployment architecture

2025-2026
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VendedorIA

Sales automation platform with WhatsApp Business onboarding and communication flows powered by Meta and Twilio.

TectoTecnologia | Full Stack Engineer

2025-2026
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Expoflora

Ticketing and validation platform with offline-first mobile architecture for high-volume event operations.

Atlantis Group | Full Stack Engineer & Mobile

2023-2025
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AlugueTotal

Smart rental operations platform with legal support and real-time split payments for all stakeholders.

TectoTecnologia | Full Stack Engineer

2025
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VisageClube

AI-powered visagism platform that helps barbers suggest the best haircut and style for each customer profile.

Atlantis Group | Full Stack Engineer & Mobile

2025
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Motique

A restaurant experience inspired by ingredients and spices from many countries.

Freelancer | Front-end Engineer

2023
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Levena

Event venue platform for unforgettable experiences across brunch, lunch, afternoon coffee, and dinner.

TectoTecnologia | Full Stack Engineer

2025
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Escola de Confeitaria

E-commerce platform for online and live fine pastry courses inspired by Brazilian and European confectionery traditions.

TectoTecnologia | Full Stack Engineer

2025
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Splitfy Concursos

MVP social platform for people preparing for government contests to split expenses and share rides.

Freelancer | Full Stack Engineer

2023
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AgenciaFute

Social media and marketing platform connecting football players, agents, clubs, and schools.

Freelancer | Full Stack Engineer

2022

Contact

Open to discussing product engineering, architecture, and technical leadership opportunities.