Gonpachiro

Web2 & Web3 Backend Developer

I build reliable backend systems and APIs, and write Solidity smart contracts for web3 projects. Whether it’s web2 or web3, I focus on scalable, secure, and maintainable solutions.

Former CTO and Senior Software Engineer. Most recently at WeTransfer.

SolidityNode.jsTypeScriptRuby on RailsAWS

Featured Projects

A few projects I’ve worked on in the past.

WeTransfer

Lead and implement backend platform services for the Core Platform, supporting the entire product suite.

Key Achievements:

Integrated Auth0 for Single Sign-On (SSO) to enhance authentication processes.
Migrated billing logic from a monolithic architecture to a microservice, improving scalability and efficiency.
Built a centralized entitlements service for streamlined access management.
Developed a subscription and payment service used by 80M monthly active users.

Ruby on RailsKubernetesNode.jsAWSAuth0

Interoperable Addresses. Ethereum Foundation

Collaborated with the Ethereum Foundation on building the foundations for interoperable addresses across chains.

SolidityFoundry

Safe Wallet Guard

Developed a Safe Guard for Safe wallet, enhancing the security and reliability of multisig transaction execution.

SolidityFoundrySafe

Aerodrome

Worked on the Aerodrome protocol, a decentralized exchange with more than $1B in TVL.

SolidityFoundryDeFi

Let’s Connect

Have a project in mind? Send a message and I’ll get back to you.