Welcome to my site.
I'm Heron Lancellot, a Fullstack developer.
I am passionate about building high-performance and scalable web applications. I have experience creating decentralized applications (dApps) and web applications from the scratch. I enjoy crafting seamless user experiences that integrate with blockchain solutions, always striving to deliver a WOW factor.
6× hackathon winner. 5,000+ commits on GitHub. Currently shipping at the intersection of Web3, AI agents and consumer products.
6×
Hackathon Wins
6+
Years Building
5,000+
Commits
Journey
Founder
Nanolances LTDA
Engineering services for Web2 & Web3 clients. Building Choppada, a platform connecting craft beer bars and brewers in Brazil, and Noma, a social travel app for digital nomads.
3rd Place - Monad Blitz SP 2026
Monad Blitz SP
Built Handshake, a decentralized marketplace that solves one of the biggest scam problems in the Web3 ecosystem.
🏆 3rd Place
📅 Monad Blitz SP 2026
💰 Prize Pool: $250
4th Place - ETH GLOBAL Buenos Aires 2025
ETH GLOBAL
Noma — social travel app for digital nomads to discover local experiences and pay in crypto, with World ID verification for trust. World — Best Mini App Honorable Mention.
🏆 4th Place
📅 ETH GLOBAL Buenos Aires 2025
💰 Prize Pool: $1,000
3rd Place - Hackathon ETHSamba
ETH Samba | ETH LATAM
Created the Flik. A event managemnt plataform on Farcaster with chainlink integrations
🏆 3rd Place
📅 Hackathon ETHSamba
💰 Prize Pool: $500
Frontend Web3 Developer
Blockful
Coding in some good projects such as Swaplace, Trustful, Ai Delegate, Anticapture
Full Stack Developer
Federal Fluminense University
The Monitora UFF project.is a monitoring system that manages incidents and communication tickets between different teams. It is designed to be used across the entire university, which has over 42 educational units spread throughout Brazil and more than 500 physical cameras installed.
Speaker — The Mu, Argentina
The Mu
Talk on open-source development at an international blockchain event.
1st Place - Hackathon ETHSamba
ETH Samba
I created the frontend of the Fair Overlord application, a project in which we won 3 out of 4 categories applied in 1st Place
🏆 1st Place
📅 Hackathon ETHSamba
💰 Prize Pool: $7,000
Frontend Developer
Web3Dev
WEB3DEV is a pioneering community-driven platform focused on the development and education of Web3 technologies. I was part of the Web3Task team, a decentralized task protocol, responsible for integrating contracts, frontend, architecture and open-source issue management.
1st Place - Hackathon King of Devs 1.0
Think and Dev
I carried out the pitch in person representing the web3dev team and we won 1st place in all categories with Web3Task
🏆 1st Place
📅 Hackathon King of Devs 1.0
💰 Prize Pool: $2,000
1st Place - Hackathon Pod Labs
Web3Dev
I developed the application (frontend / backend) together with Daniel Vianna, where we won 7/8 prizes in 1st place
🏆 1st Place
📅 Hackathon Pod Labs
💰 Prize Pool: $1,000
Information Systems Student
Federal Fluminense University
I'm a student of Information Systems at the Federal Fluminense University, where I'm learning about software development, algorithms, data structures, and other computer science topics.