vidalpaul

Experienced Software Engineer specializing in blockchain and distributed ledger technologies. I architect and develop enterprise-grade solutions that drive sustainable development and digital transformation. Currently pursuing Solution Architecture studies at PUC Minas, I combine deep technical expertise with strategic thinking to deliver scalable blockchain solutions.

Current Focus at Celfocus:

Leading development of PRR Carbon, an EU-funded carbon credits marketplace using TypeScript, Solidity, and Polygon blockchain, supporting environmental sustainability goals

Architecting Blockchain Enterprise Assets (BEA), a comprehensive suite of reusable libraries and APIs integrating EVM-based chains with Hyperledger Fabric using Node.js, TypeScript, and Turborepo

Contributing to NextGenerationEU-funded loyalty points system with Hyperledger Fabric, developing Go chaincodes and Java Gateway APIs

Key Technical Expertise:

Smart Contract Development: Solidity, Hardhat, Foundry for secure and efficient contract deployment
Blockchain Integration: Extensive API development using Node.js, TypeScript, NestJS, ethers.js, and polkadot.js
Multi-Chain Architecture: Ethereum, Polygon, Avalanche, Binance Smart Chain, Hyperledger Fabric/Besu
Enterprise Infrastructure: Kubernetes, Azure Functions, AWS, Docker, CI/CD pipelines for blockchain deployment
Emerging Technologies: Rust, Go, Substrate, ink! smart contracts, GraphQL, IPFS

Previous Impact:

BWS Blockchain-as-a-Service: Developed comprehensive EVM API supporting multiple chains, Hyperledger Besu testnet, and conducted blockchain integration workshops
Bitfy Crypto SuperApp: Integrated Stellar blockchain and ERC20 tokens for cryptocurrency payments and digital wallet functionality

Sustainable Development Focus:
I'm passionate about leveraging blockchain and DLT for sustainable development, particularly in carbon credit markets, tokenization of environmental assets, and transparent supply chain solutions that drive positive environmental impact.

Languages: English (Fluent), French (Professional), Spanish (Professional), Portuguese (Native)

Ready to contribute to innovative blockchain projects across EMEA, bringing expertise in enterprise blockchain architecture, sustainable technology solutions, and cross-functional team leadership.

Based in Lisbon, Portugal | Authorized to work across EMEA without visa sponsorship