joaoheitor

Blockchain / Web3 Backend Engineer

M.Sc. candidate in Informatics and B.Sc. in Information Systems, with experience in Solidity software development, smart contracts, and blockchain architectures. I develop in TypeScript and Solidity, with hands-on knowledge of frameworks and tools such as NestJS, Next.js, OpenZeppelin, and Foundry. Passionate about applied research in security and decentralized protocols.


Experience: 2 years

Yearly salary: $96,000

Hourly rate: $45

Nationality: 🇧🇷 Brazil

Residency: 🇧🇷 Brazil


Experience

Software Engineer Scholar
Phoebus Tecnologia
2022 - 2023
Developed and maintained critical software for Point of Sale (PoS) devices in the electronic payments industry. Worked with low-level languages (C, Shell Script) to optimize device performance and reliability. Collaborated in an Agile/Scrum environment, utilizing GitLab for version control and configuration management.

Skills

hardhat
nestjs
nextjs
openzeppelin
typescript
solidity
english
portuguese