Smart Contract

decircle

Senior Smart Contract Engineer designing and building core primitives behind DeFi vault infrastructure. Collaborating with engineers and product teams to ensure secure and efficient deployment strategies.

Posted 5/18/2026full-timeRemote • New York • 🇺🇸 United StatesSeniorLeadWebsite

Tech Stack

Tools & technologies

OracleSoliditySparkVault

About the role

Key responsibilities & impact

help architect and build core primitives behind Spark’s vault infrastructure
design secure, capital-efficient smart contract systems
collaborate closely with protocol engineers, treasury and risk contributors, and product stakeholders

Requirements

What you’ll need

several years of experience building production-grade smart contracts
comfortable owning systems end-to-end
experience with Solidity
experience with Foundry / Hardhat
understanding of ERC-4626 vault standards
understanding of AMM mechanics and LP accounting
understanding of yield aggregation systems
experience with oracle integrations
experience with upgradeable contract architectures
knowledge of gas optimization and security best practices
experience working on live protocols with meaningful TVL

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account decircle Website LinkedIn All Job Openings 1 - 10 employees Founded 2019 We partner with disruptive organizations to help identify and attract talent. A boutique recruitment agency that focuses on blockchain and web3. We enjoy networking with Web3 and decentralization enthusiasts and help them find their place in the decentralized world. Smart Contract Job not on LinkedIn 🔥 0 minutes ago 🗽 New York – Remote ⏰ Full Time 🟠 Senior 🔴 Lead 📜 Smart Contract Engineer Oracle Solidity Spark Vault Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
help architect and build core primitives behind Spark’s vault infrastructure
design secure, capital-efficient smart contract systems
collaborate closely with protocol engineers, treasury and risk contributors, and product stakeholders 🎯 Requirements
several years of experience building production-grade smart contracts
comfortable owning systems end-to-end
experience with Solidity
experience with Foundry / Hardhat
understanding of ERC-4626 vault standards
understanding of AMM mechanics and LP accounting
understanding of yield aggregation systems
experience with oracle integrations
experience with upgradeable contract architectures
knowledge of gas optimization and security best practices
experience working on live protocols with meaningful TVL Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Smart Contract Engineer – SVM 🕒 April 1 Wynd Labs 11 - 50 🤖 Artificial Intelligence Website LinkedIn All Job Openings Smart Contract Engineer developing smart contracts utilizing Support Vector Machine technology for an innovative startup. Join a motivated team focused on accessible AI through public web data. 🇺🇸 United States – Remote 💵 $150k - $230k / year ⏰ Full Time 🟡 Mid-level 🟠 Senior 📜 Smart Contract Engineer Smart Contract Engineer 🕒 April 1 Ritual 51 - 200 🧘 Wellness 👥 B2C Website LinkedIn All Job Openings Smart Contract Engineer responsible for maintaining open-source smart contract libraries for AI-native blockchain solutions. Collaborating across teams to build innovative crypto and AI technologies. 🇺🇸 United States – Remote 💰 $25M Series B on 2019-02 ⏰ Full Time 🟡 Mid-level 🟠 Senior 📜 Smart Contract Engineer Node.js Solidity Smart Contract Developer 🕒 March 31 Energi Danmark Group 201 - 500 ⚡ Energy 🤝 B2B 💳 Fintech Website LinkedIn All Job Openings Smart Contract Developer responsible for designing, implementing, upgrading, and deploying smart contracts on Energi blockchain. Involved in building and maintaining the bridge connecting Wanchain and Polygon with Energi. 🇺🇸 United States – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior 📜 Smart Contract Engineer Solidity Smart Contract Developer 🕒 March 31 National Congress of American Indians 11 - 50 🤲 Charity 🤝 Non-profit 🌍 Social Impact Website LinkedIn All Job Openings DeFi Smart Contract Developer responsible for building secure smart contracts on EVM. Collaborating with auditors and ensuring secure deployments for Native's liquidity infrastructure. 🇺🇸 United States – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior 📜 Smart Contract Engineer Smart Contract Engineer – SVM 🕒 March 16 Veda Labs. 11 - 50 🏪 Marketplace 🛍️ eCommerce Website LinkedIn All Job Openings SVM Engineer designing and implementing smart contracts on Solana for Veda's DeFi vault infrastructure. Collaborating on security and optimizing performance for financial applications. 🇺🇸 United States – Remote 💰 Seed on 2020-06 ⏰ Full Time 🟡 Mid-level 🟠 Senior 📜 Smart Contract Engineer Rust Vault View More Smart Contract Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools

Soliditysmart contractsFoundryHardhatERC-4626oracle integrationsupgradeable contract architecturesgas optimizationsecurity best practicesyield aggregation systems

Soft Skills

collaborationownershipcommunication