ZetaChain
Senior Blockchain Security Engineer – Ecosystem
ZetaChain, San Francisco, California, United States, 94199
Senior Blockchain Security Engineer – Ecosystem
We're building something ambitious at ZetaChain: the first universal blockchain that connects everything—Bitcoin, Ethereum, every chain. We're backed by top investors, live on mainnet, and building the future of blockchain technology. If you're excited about working on big, meaningful problems with a world-class team, you're in the right place. We are seeking an experienced and dedicated
Senior Blockchain Security Engineer
to join our Security team and play a crucial role in safeguarding the ZetaChain ecosystem. Why You Want To Work Here : Impactful Role:
Play a pivotal role in shaping the future of a leading blockchain protocol. Remote Flexibility:
Enjoy the freedom and flexibility of a remote work environment, ensuring a work-life balance with quarterly team meet ups to get to know each other in person. Cutting-Edge Technology:
Dive deep into the latest advancements in blockchain technology with ZetaChain's innovative protocol. Continuous Learning:
Stay updated with the rapidly evolving blockchain landscape, ensuring you're always at the forefront of the industry. Commitment to Open Source:
We are committed to supporting open source software and use high quality open source tools internally when possible. Job Description : This role is focused on securing the broader ZetaChain ecosystem by working hands-on with independent third-party developer teams — from early-stage grant recipients to established partners — to help them build and maintain secure blockchain applications. Responsibilities : Work directly with external ecosystem developers to advise on smart contract, dApp, and wallet security best practices throughout the development lifecycle Collaborate with internal and external teams to identify high-risk code changes in both React/TypeScript frontends and smart contracts, participating in security-focused code reviews Develop and implement innovative security testing methodologies specific to blockchain and DeFi environments Analyze new and emerging dApp and wallet attack vectors (phishing, session hijacking, malicious npm packages, RPC manipulation) and assess their potential impact on the ZetaChain ecosystem Lead or coordinate security audits and penetration tests for ecosystem projects, and drive timely remediation of findings Contribute to and help manage the bug bounty programs by validating and triaging reported vulnerabilities Create and maintain security guidelines, best practices, and documentation tailored for ecosystem developers Requirements : 3+ years of experience in cybersecurity, with a focus on blockchain and Web3 technologies 2+ years of software development experience working with smart contracts (Ideally Solidity) Experience with security tools and techniques specific to blockchain environments Deep familiarity with common attack vectors in Web3, such as flash loan attacks, reentrancy, and oracle manipulation Strong understanding of Wallet security (EIP-712, SIWE etc), account abstraction (EIP-4337), smart contract vulnerabilities and DeFi-specific risks Familiarity with tools and frameworks like Foundry, Slither, Tenderly, Wagmi, viem, RainbowKit Strong analytical and problem-solving skills with attention to detail Excellent communication skills and ability to explain complex security concepts to both technical and non-technical audiences Preferred Qualifications : Experience with Ethereum, Ton, Solana, SUI, and other major blockchain protocols Previous experience auditing code (Solidity, React, Typescript, Rust, Func, etc) Contributions to open-source blockchain security tools or research Active participation in bug bounty programs or capture-the-flag (CTF) competitions Experience implementing and managing automated security testing pipelines Familiarity with formal verification techniques for smart contracts Understanding of zero-knowledge proofs and their blockchain applications Compensation : Base Salary: $150,000 – $200,000 (San Francisco benchmark). In addition to the base salary, all full-time team members receive an additional 10% to 25% in liquid benefits with upside based on role, experience, and impact. ZetaChain is an equal opportunities employer and welcomes applications from all qualified candidates.
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We're building something ambitious at ZetaChain: the first universal blockchain that connects everything—Bitcoin, Ethereum, every chain. We're backed by top investors, live on mainnet, and building the future of blockchain technology. If you're excited about working on big, meaningful problems with a world-class team, you're in the right place. We are seeking an experienced and dedicated
Senior Blockchain Security Engineer
to join our Security team and play a crucial role in safeguarding the ZetaChain ecosystem. Why You Want To Work Here : Impactful Role:
Play a pivotal role in shaping the future of a leading blockchain protocol. Remote Flexibility:
Enjoy the freedom and flexibility of a remote work environment, ensuring a work-life balance with quarterly team meet ups to get to know each other in person. Cutting-Edge Technology:
Dive deep into the latest advancements in blockchain technology with ZetaChain's innovative protocol. Continuous Learning:
Stay updated with the rapidly evolving blockchain landscape, ensuring you're always at the forefront of the industry. Commitment to Open Source:
We are committed to supporting open source software and use high quality open source tools internally when possible. Job Description : This role is focused on securing the broader ZetaChain ecosystem by working hands-on with independent third-party developer teams — from early-stage grant recipients to established partners — to help them build and maintain secure blockchain applications. Responsibilities : Work directly with external ecosystem developers to advise on smart contract, dApp, and wallet security best practices throughout the development lifecycle Collaborate with internal and external teams to identify high-risk code changes in both React/TypeScript frontends and smart contracts, participating in security-focused code reviews Develop and implement innovative security testing methodologies specific to blockchain and DeFi environments Analyze new and emerging dApp and wallet attack vectors (phishing, session hijacking, malicious npm packages, RPC manipulation) and assess their potential impact on the ZetaChain ecosystem Lead or coordinate security audits and penetration tests for ecosystem projects, and drive timely remediation of findings Contribute to and help manage the bug bounty programs by validating and triaging reported vulnerabilities Create and maintain security guidelines, best practices, and documentation tailored for ecosystem developers Requirements : 3+ years of experience in cybersecurity, with a focus on blockchain and Web3 technologies 2+ years of software development experience working with smart contracts (Ideally Solidity) Experience with security tools and techniques specific to blockchain environments Deep familiarity with common attack vectors in Web3, such as flash loan attacks, reentrancy, and oracle manipulation Strong understanding of Wallet security (EIP-712, SIWE etc), account abstraction (EIP-4337), smart contract vulnerabilities and DeFi-specific risks Familiarity with tools and frameworks like Foundry, Slither, Tenderly, Wagmi, viem, RainbowKit Strong analytical and problem-solving skills with attention to detail Excellent communication skills and ability to explain complex security concepts to both technical and non-technical audiences Preferred Qualifications : Experience with Ethereum, Ton, Solana, SUI, and other major blockchain protocols Previous experience auditing code (Solidity, React, Typescript, Rust, Func, etc) Contributions to open-source blockchain security tools or research Active participation in bug bounty programs or capture-the-flag (CTF) competitions Experience implementing and managing automated security testing pipelines Familiarity with formal verification techniques for smart contracts Understanding of zero-knowledge proofs and their blockchain applications Compensation : Base Salary: $150,000 – $200,000 (San Francisco benchmark). In addition to the base salary, all full-time team members receive an additional 10% to 25% in liquid benefits with upside based on role, experience, and impact. ZetaChain is an equal opportunities employer and welcomes applications from all qualified candidates.
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