Welcome to my site.

I'm Heron Lancellot, a Fullstack developer.

Next Js
TypeScript
Tailwind

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.

Journey

Nov 2025 — Present

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.

Mar 2026

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

Nov 2025

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

Nov 2025

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

Sep 2023 — Sep 2025

Frontend Web3 Developer

Blockful

Coding in some good projects such as Swaplace, Trustful, Ai Delegate, Anticapture

2023 - 2025

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.

2024

Speaker — The Mu, Argentina

The Mu

Talk on open-source development at an international blockchain event.

Mar 2024

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

2023 - 2024

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.

Nov 2023

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

Jun 2023

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

2019

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.

Core Technologies