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Senior Protocol Engineer Distributed Systems, Blockchain Cryptography - TechBiz Global GmbH

Blockchain Developer

Senior Protocol Engineer leading the design and development of next‑generation consensus models, building secure and scalable EVM‑based blockchain infrastructure, and mentoring a world‑class engineering team.

About the role

Senior Protocol Engineer Distributed Systems, Blockchain Cryptography at TechBiz Global GmbH.

Key technologies: Smart Contracts.

Key Responsibilities

Develop and audit smart contracts on Ethereum or other EVM-compatible chains
Build Web3 frontends and integrate with wallets (MetaMask, WalletConnect)
Implement DeFi protocols, NFT contracts and token standards
Conduct security reviews and gas optimization

Requirements

5+ years of relevant experience in blockchain developer
Understanding of blockchain fundamentals, consensus mechanisms and tokenomics
Experience with Web3.js or Ethers.js

Skills

smart contracts

CompanyTechBiz Global GmbH

DepartmentEngineering

LocationTallinn, Estonia

Experience5+ years

Tenurefull-time

LevelSenior

Posted June 19, 2026