Senior DeFi Engineer

Job not on LinkedIn

🔥 3 hours ago

🇨🇭 Switzerland – Remote

⏰ Full Time

🟠 Senior

🏦 DeFi

👻 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 and implement smart contracts and DeFi protocols underpinning Nexus Mutual's risk, capital, staking, and coverage infrastructure • Develop and improve mechanisms for capital allocation, liquidity, staking, pricing, incentives, and risk management • Translate complex financial mechanisms into robust onchain systems with protocol, product, and research teams • Analyze DeFi protocols and primitives for integration, optimization, or novel protocol design opportunities • Build integrations with DEXs, lending protocols, liquidity venues, oracles, and other onchain infrastructure • Develop mechanisms for deploying and managing capital across different risk and return profiles • Contribute to protocol architecture, economic design, and technical specifications • Build secure, gas-efficient, and composable Solidity contracts • Develop testing, simulations, monitoring, and tooling around protocol behavior • Participate in security reviews and identify economic, smart-contract, and integration risks before deployment • Investigate protocol behavior using onchain data, simulations, and quantitative analysis • Evaluate protocol upgrades and new DeFi primitives with engineers and researchers • Contribute technical documentation, research, and open-source development to the Nexus Mutual ecosystem

🎯 Requirements

• 5+ years of software engineering experience, with significant experience building production DeFi or blockchain systems • Strong expertise in Solidity and the EVM • Deep understanding of DeFi primitives, including AMMs and DEXs, lending and borrowing, staking and restaking, liquidity provision, yield strategies, oracles, token economics, onchain governance, and capital allocation mechanisms • Experience designing and deploying production smart contracts handling meaningful economic value • Strong understanding of smart-contract security, common attack vectors, and adversarial protocol behavior • Strong understanding of EVM execution, gas optimization, transaction mechanics, and protocol composability • Ability to reason about financial mechanisms and translate them into precise technical implementations • Experience with Foundry, Hardhat, or comparable smart-contract development tooling • Strong testing discipline, including unit, integration, fuzz, invariant, and/or fork testing • Comfortable working with onchain data and blockchain analytics • Strong software engineering fundamentals and ability to work independently on complex technical problems • Valuable experience in DeFi protocol design or mechanism design, insurance, risk markets, prediction markets, financial derivatives, liquidity management, capital efficiency, automated market makers, pricing mechanisms, yield optimization, automated vault strategies, asset management protocols, risk modeling, quantitative finance, MEV, transaction-ordering dynamics, cross-chain protocols, messaging, oracle design, manipulation resistance, protocol monitoring, risk infrastructure, systems managing $100M+ in TVL or transaction volume, or major open-source DeFi protocol contributions