Smart Contract Engineer – Spell Crafting

Job not on LinkedIn

🕒 May 18

🇨🇭 Switzerland – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

📜 Smart Contract Engineer

👻 Ghost score 23%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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decircle

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2019

📣 Marketing

📦 Logistics

💼 Consulting

Marketing • Logistics • Consulting

Decircle is a talent partner specializing in staffing and recruiting for decentralized organizations and projects related to Web3. As a boutique recruitment agency, Decircle focuses on identifying and attracting talent in the blockchain and Web3 sectors, fostering connections within the community of decentralization enthusiasts and guiding them in finding their roles in the evolving decentralized landscape.

📋 Description

• 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)

🎯 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