Solidity Developer

Blockchain Developer

Blockchain Developer with over 10 years of experience in hardware, software, and web applications. Expertise in Blockchain, smart contracts, and full stack development, with a focus on decentralized solutions.



Experience: 3 years

Yearly salary: $100,000

Hourly rate: $70

Nationality: 🇧🇷 Brazil

Residency: 🇧🇷 Brazil


Experience

Blockchain Developer
Silvi Protocol
2024 - 2025
Led the development of blockchain integration for Silvi Protocol. Conducted analysis of project architecture identifying missing blockchain components. Implemented integration plans. Designed and deployed smart contracts using industry standards including ERC-20, ERC-721, and ERC-1155. Smart contract development and deployment on the CELO blockchain. Integration of IPFS for decentralized media storage. Use of Ethereum Attestation Service (EAS) for verifiable attestations. Implementation of account abstraction features to improve user interaction. Dynamic NFT minting. Tooling with Hardhat and Foundry for testing, deployment, and debugging. Enabled seamless NFT minting and on-chain attestations for ReFi-based use cases. Improved trust and data provenance across the Silvi ecosystem. Empowered community interactions through decentralized tooling and automated verification workflows.
Blockchain Developer
Greenpill Brasil
2024 - 2025
Implemented user response capture and blockchain attestation transformation. Designed the bot to create polls with predefined questions. Captured user responses within the Telegram environment. Transformed user answers into blockchain attestations. Bridged everyday community practices with secure blockchain records. Demonstrated the potential of combining familiar tools with decentralized technology.
Mobile Developer
Guardiões do Clima
2023 - 2024
Developed an app using Expo React Native. Published the app on the PlayStore for use in tourism practices.
Blockchain Developer
AgroforestDAO
2023 - 2024
Proposed and implemented an innovative initiative within AgroforestDAO. Conceptualized and designed a decentralized system to incentivize agroforestry practices. Created an NFT collection representing specific lots within the system. The first decentralized Agroforestry System in Brazil. Demonstrated regenerative use cases for NFTs with real-world impact. Ongoing development: Building a registration and management system for agroforests using React and IPFS.
Blockchain Developer
Rufus Technologies
2022 - 2022
Implemented Web3 solutions for crypto wallets. Developed and integrated backend functionalities with web3 technologies.
Blockchain Developer
Ootopia
2021 - 2022
Researched and implemented new tools for blockchain integrations. Modeled and prototyped crypto assets, including tokenomics and utility tokens. API dockerization for use in containers.
Full Stack Developer
Rufus Technologies
2021 - 2021
Developed robust APIs for web applications. Built interactive user interfaces, ensuring a smooth user experience.

Skills

ai
business-development
css
javascript
music
node
react
web3
solidity
english
portuguese