Remote (Worldwide) • Contract • $50–150/hr
We are building the first blockchain-based pet ecosystem in Brazil. 160M pets. $60B market. Zero blockchain infrastructure today.
Web2 platform is 75% complete. Now building Web3 layer — pet NFTs, vaccine certificates, smart contract adoptions, on-chain insurance.
Founding Blockchain Engineer ($100–150/hr)
Own Web3 architecture — smart contracts, API layer, data indexing, team leadership.
Solidity Developer ($70–120/hr)
Write & deploy ERC-721/1155 contracts. Upgradeable patterns. Foundry/Hardhat.
Senior Full-Stack Developer ($70–100/hr)
Web2 features + Web3 frontend (Wagmi, RainbowKit) + API layer (NestJS + ethers.js).
Backend API Engineer ($70–100/hr)
Blockchain API, transaction relayer, event indexing, microservices.
Product Designer ($60–90/hr)
Web3 UX/UI, wallet flows, NFT minting, dashboards, design system.
Go / Rust Engineer ($90–150/hr)
High-performance relayers, indexing engines, data pipelines.
Mobile Engineer ($70–100/hr)
React Native / KMP mobile app — wallet, NFTs, vaccines, appointments.
Payment: USDC/USDT (Polygon, ETH, Solana) or Wise/PayPal
Send resume + GitHub/LinkedIn to: [email protected]
Subject: Role – Pet360 (e.g., "Founding Blockchain Engineer – Pet360")
Include: Resume, GitHub/LinkedIn, desired rate, payment preference (crypto/fiat)
Block Sherpa — Web3-native consulting. London. Crypto-native. Backed by investors from Brazil & UK.
https://www.linkedin.com/company/block-sherpa/
Let's build the future of pet care in Brazil. 🐾