“In times of AI, human critical thinking is the most valuable asset to have.”
> whoami
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.
scanAbout
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
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
VendedorIA
Sales automation platform with WhatsApp Business onboarding and communication flows powered by Meta and Twilio.
TectoTecnologia | Full Stack Engineer
Unoimobi
The real estate CRM with AI on WhatsApp that your operation deserves. Manage leads, properties, customer service, sales funnel, commissions, and WhatsApp in one place, with the AI Natalia working 24 hours a day to accelerate your operation.
Full Stack Developer and UI/UX: I built the entire MVP of the project, from design to systems
Expoflora
Ticketing and validation platform with offline-first mobile architecture for high-volume event operations.
Atlantis Group | Full Stack Engineer & Mobile
AlugueTotal
Smart rental operations platform with legal support and real-time split payments for all stakeholders.
TectoTecnologia | Full Stack Engineer
VisageClube
AI-powered visagism platform that helps barbers suggest the best haircut and style for each customer profile.
Atlantis Group | Full Stack Engineer & Mobile
Motique
A restaurant experience inspired by ingredients and spices from many countries.
Freelancer | Front-end Engineer
Levena
Event venue platform for unforgettable experiences across brunch, lunch, afternoon coffee, and dinner.
TectoTecnologia | Full Stack Engineer
Escola de Confeitaria
E-commerce platform for online and live fine pastry courses inspired by Brazilian and European confectionery traditions.
TectoTecnologia | Full Stack Engineer
Splitfy Concursos
MVP social platform for people preparing for government contests to split expenses and share rides.
Freelancer | Full Stack Engineer
AgenciaFute
Social media and marketing platform connecting football players, agents, clubs, and schools.
Freelancer | Full Stack Engineer
Contact
Open to discussing product engineering, architecture, and technical leadership opportunities.