Francesco Sullo
Crypto Web3 Consultant at Freelance
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolFrancesco Sullo is a seasoned crypto and Web3 consultant and serial entrepreneur with 15+ years of experience building startups, developer tools, and scalable infrastructure. He led developer tools at TRON—rewriting TronGrid (an Infura-like service) and contributing major features to TronWeb and TronBox—bringing production-grade reliability to blockchain infrastructure. Equally comfortable as a CTO, full-stack engineer, or UX designer, he has a track record of founding and exiting companies (Passpack) and shipping high-retention consumer apps (JumpCam, FADE). He combines deep systems and security instincts with product-first thinking, helping startups refine product and investor pitch while still coding and contributing to open-source. A creative polymath, he channels an artistic side into filmmaking and songwriting, and he’s building a decentralized cross-chain NFT card game as a side project.
15 years of coding experience
32 years of employment as a software developer
Physics, Physics at Università della Calabria
English, Italian
Stackoverflow
26reputation
3kreached
1answer
1question
Github Skills (12)
javascript10
back-end-development10
cryptography10
blockchain9
apidoc9
api9
testing8
smart-contracts6
ajax6
nodejs6
ethereum6
ethersjs6
Programming languages (13)
Github contributions (5)
tronprotocol/tronweb
Feb 2019 - Jan 2020
Javascript API Library for interacting with the TRON Network
Role in this project:
Back-end Developer
Back-end DeveloperContributions:262 commits, 70 PRs, 45 pushes in 11 months
Contributions summary:Francesco primarily contributed to bug fixes and implemented new features for the TRON web API library. Their work involved modifying code in `src/lib/contract/method.js` to address issues and correct functionalities. The user also added support for multi-signature features and related functionalities within `src/utils/crypto.js`, `src/lib/trx.js`, and testing files. This included enhancements to the library's transaction signing capabilities, particularly for advanced security features.
javascript-api
crunaprotocol/erc7656
Apr 2024 - Sep 2025
A reference implementation
Contributions:1 review, 30 PRs, 77 pushes in 1 year 4 months
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