Talent Partner for decentralized organizations and projects that are building Web3.
Smart Contract Engineer – Spell Crafting
Location
Switzerland
Posted
9 days ago
Salary
0
Seniority
Senior
Job Description
Smart Contract Engineer – Spell Crafting
decircle
• Design, implement, and deploy Solidity-based smart contracts powering core protocol functionality • Build and execute governance “Spells” that modify system parameters and logic • Collaborate with ecosystem actors (risk, governance, product) to define new mechanisms • Contribute to the architecture of lending, collateralization, and stablecoin systems • Conduct deep audits of smart contracts and protocol changes • Identify and mitigate vulnerabilities (reentrancy, oracle manipulation, etc.) • Maintain production-grade reliability for contracts managing billions in TVL • Optimize contract execution paths for efficiency at scale • Integrate contracts with frontends, off-chain systems, and governance tooling • Contribute to broader system design decisions across the Sky ecosystem • Stay ahead of emerging standards (ERCs, account abstraction, new DeFi primitives)
Job Requirements
- Deep expertise in Solidity and the EVM
- Strong understanding of DeFi primitives (lending, AMMs, collateral systems, stablecoins)
- Proven experience with smart contract security and auditing
- Hands-on experience with gas optimization and performance tuning
- Familiarity with tools such as Foundry, Hardhat, Remix, Ganache
- Ability to reason about complex financial systems
- Strong ownership and ability to operate in high-autonomy environments
- Experience collaborating across distributed / async teams
- Experience writing robust unit + integration tests
- Familiarity with frameworks like Mocha, Chai , or Foundry equivalents
- Clear communicator with the ability to articulate technical trade-offs
- Comfortable working in a pseudonymous, remote-first environment
Benefits
- Direct Impact on a Top DeFi System
- Deep Protocol Ownership
- Unique Organizational Model
- Growth & Technical Depth
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