StJohn Piano
Blockchain Developer @ Toptal Network. Ask StJohn Piano about Bitcoin, Blockchain, Crypto, and Smart Contracts.
Consult StJohn Piano on Tela:
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Ask StJohn Piano about:
- Bitcoin
- Blockchain
- Crypto
- Smart Contracts
StJohn Piano: Biography & Expertise
StJohn Piano is a senior software engineer with 12+ years of experience (8+ in blockchain).
He has built excellent software for:
- Various blockchain companies on Toptal Network
- An Ethereum smart contract development toolset
- A fully-regulated UK cryptocurrency exchange
- A blockchain-based web publishing system
- A secure Bitcoin storage tool
- A speech recognition company
- A transcription team
- A furniture factory
Github: github.com/sj-piano
Languages: English (Native), Spanish (Excellent), French (Good)
Portfolio
A ready-for-production Ethereum smart contract project template
A ready-for-production Ethereum smart contract project template, written in Solidity and Typescript. It pre-calculates all gas fees in ETH and USD, includes a complete Hardhat test suite, and can deploy to Sepolia testnet and Ethereum mainnet.
github.com/sj-piano/ethereum-smart-contract-project-template-typescript
Articles
StJohn Piano
StJohn Piano
StJohn Piano
StJohn Piano
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