Fabio Pacchioni, Developer in Ravarino, Italy
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Fabio Pacchioni

Verified Expert  in Engineering

Solidity Developer

Ravarino, Italy
Toptal Member Since
April 29, 2022

Fabio is a software developer who has been specializing in Solidity for almost five years now. With a background in electronic engineering and a passion for software, he has worked his entire life in automation, blockchain, and finance software. He held developer, blockchain engineer, and CTO roles in different projects with worldwide clients. Fabio is a highly committed professional with a proactive attitude in designing software architecture and solutions.


Tranche Finance
Solidity, Truffle, JavaScript, Ethereum, Smart Contracts...
Solidity, Truffle, Ruby on Rails 5, Ethereum, Smart Contracts...
Seed Set
JavaScript, Solidity, Truffle, Ethereum, Smart Contracts, Blockchain...




Preferred Environment

MacOS, Linux, Windows, Visual Studio Code (VS Code), Truffle, Hardhat, Forge, JavaScript, Node.js, Ruby on Rails 5

The most amazing...

...accomplishment I’ve achieved was founding Block Invest, a startup that delivers security tokens for financial institutions worldwide.

Work Experience

Solidity Developer and Blockchain Engineer

2020 - PRESENT
Tranche Finance
  • Developed SLICE token smart contracts and governance with voting features for holders.
  • Engineered staking smart contracts for the SLICE token with a factory to allow different time locking for users.
  • Built tranche smart contracts to integrate other projects, such as compound, Yearn, and BenQi, providing users with a fixed and variable token.
Technologies: Solidity, Truffle, JavaScript, Ethereum, Smart Contracts, Non-fungible Tokens (NFT), Blockchain, Decentralized Finance (DeFi)

Solidity Developer and CTO

2019 - PRESENT
  • Developed smart contracts for security tokens and factories.
  • Built an application to easily use all smart contracts in a single platform.
  • Coordinated people from different world locations to perform this task.
Technologies: Solidity, Truffle, Ruby on Rails 5, Ethereum, Smart Contracts, Non-fungible Tokens (NFT), Blockchain

Solidity Developer

2019 - PRESENT
Seed Set
  • Developed smart contracts for the entire company's process.
  • Managed a group of professionals working together on this project.
  • Explained back-end and front-end developers what to do with smart contracts and how to use them.
Technologies: JavaScript, Solidity, Truffle, Ethereum, Smart Contracts, Blockchain, Decentralized Finance (DeFi)

Solidity Developer

2018 - 2019
  • Developed tokens and token factories to make services available for initial coin offerings (ICOs).
  • Built notarization contracts to have timestamps for documents.
  • Created NFT contracts for luxury objects like watches and clothes.
Technologies: JavaScript, Solidity, Node.js, Go, Ethereum, Smart Contracts, Blockchain


Luxochain is an app based on an NFC tag attached to a product, which produces an NFT describing the product and certifying the object property, with authenticity certification documents attached. The NFT can be marked as on-sale, sold, or stolen to accurately describe the property of the physical object.
1984 - 1991

Bachelor's Degree in Electronic Engineering

University of Bologna - Bologna, Italy




Truffle, Hardhat, Ruby on Rails 5


C++, Solidity, JavaScript, Assembler, Ada, Pascal, Go


MacOS, Linux, Windows, Visual Studio Code (VS Code), Ethereum, Blockchain


Forge, Smart Contracts, Non-fungible Tokens (NFT), Decentralized Finance (DeFi), Circuit Design, Circuit Analysis, Integrated Circuits, Software

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