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Senior/Lead Smart Contract Engineer
Job in
Germany, Pike County, Ohio, USA
Listed on 2025-12-31
Listing for:
Smart Gate Technologies and Consulting
Contract
position Listed on 2025-12-31
Job specializations:
-
IT/Tech
Blockchain / Web3, Cybersecurity
Job Description & How to Apply Below
Required Skills & Experience Must-Have
Experience:
- 3+ years building production smart contracts in Solidity
- Direct experience building smart contracts for a perpetuals DEX (this is non-negotiable)
- Deep understanding of perpetual futures mechanics: funding rates, margin systems, liquidation engines, and PnL calculations
- Production experience with oracle integration (Chainlink, Pyth, or custom oracles)
- Strong grasp of DeFi protocol design patterns and composability
- Experience with Hardhat, Foundry, or similar development frameworks
- Track record of contracts handling significant TVL ($10M+) in production
- Advanced Solidity optimization techniques and gas efficiency patterns
- Smart contract security best practices and common vulnerability patterns
- Experience coordinating external security audits
- Understanding of Layer 2 scaling solutions (Arbitrum, Optimism, etc.)
- Proficiency with automated testing and continuous integration for smart contracts
Position Requirements
10+ Years
work experience
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