Blockchain Engineer

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MetaMask

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Crypto • Web 3 • Fintech

MetaMask is a leading self-custodial crypto wallet that serves as a gateway to blockchain applications. Available as a browser extension and mobile app, it enables users to track and manage their web3 assets securely and conveniently. With features such as buying, selling, staking, and bridging crypto tokens, MetaMask empowers over 100 million users worldwide to control their digital assets and interact on the decentralized web with privacy and security.

51 - 200 employees

Founded 2016

₿ Crypto

🌐 Web 3

💳 Fintech

📋 Description

• Design, build, and audit smart contracts to automate treasury workflows, including rebalancing, cross-chain swaps, and bridging. • Build systems to consolidate and monitor balances across EOAs, Safe/MPC wallets, custodians, and DeFi protocols. • Automate recurring transactions (e.g., stablecoin conversions, revenue rebalancing) aligned with treasury policy targets. • Integrate on-chain infrastructure with Treasury Management Systems (e.g., Kyriba) for unified reporting across fiat, custodial, and non-custodial accounts. • Develop APIs and middleware to ensure seamless interaction between blockchain networks and internal systems. • Support risk management with real-time visibility into protocol-level exposures, credit/counterparty risk, and liquidity positions. • Work closely with Treasury, Finance, Security, and Product teams to translate policy and risk requirements into technical solutions. • Partner with custodians, auditors, and external vendors (e.g., MPC providers like Fireblocks/FORDEFI) for integration and compliance.

🎯 Requirements

• Bachelor’s or Master’s in Computer Science, Engineering, or related field. • 3–5+ years of blockchain development experience (Solidity, Rust, or similar). • Hands-on experience with smart contract development, auditing, and deployment on Ethereum and/or other major chains. • Strong knowledge of DeFi protocols, liquidity pools, bridges, and stablecoins. • Experience with custodial and non-custodial wallet infrastructure (EOA, MPC, multi-sig). • Proficiency with APIs, Python/TypeScript, and DevOps tooling for automation. • Understanding of treasury operations, cash management, and financial risk is a plus.