Senior Software Engineer - Blockchain Security

About ZetaChain

ZetaChain is at the forefront of blockchain innovation, developing cutting-edge solutions for secure, scalable, and interoperable blockchain networks. Our mission is to revolutionize the way blockchain ecosystems interact and operate, creating a more connected and efficient decentralized world. Access all of crypto in one place, as a developer or user.

ZetaChain prides itself on its vibrant and active community:

• Thriving Ecosystem: 1000+ dApps developed between testnet and mainnet
• Engagement: Over a million community members
• Live on Mainnet: Partnered with all major exchanges
• Activity: Network has over 3M unique addresses
• Well Funded: Raised over $27M

Find out more about our ecosystem.

Learn more about our company culture.

Job Description

We are seeking an experienced and dedicated Senior Blockchain Security Engineer to join our Security team and play a crucial role in identifying, analyzing, and mitigating security risks within our blockchain ecosystem. The ideal candidate will have a strong background in software engineering, deep technical knowledge of blockchain technologies, and extensive experience in cybersecurity.

Responsibilities

• Build & implement security automation tools for fuzzing, static code analysis, attack detection, etc
• Lead security initiatives and mentor team members in blockchain security best practices
• Collaborate with the development team to identify high risk code changes and participate in code reviews
• Develop and implement innovative security testing methodologies specific to blockchain and DeFi environments
• Analyze new and emerging attack vectors in the Web3 space and assess their potential impact on ZetaChain
• Lead and participate in security audits or penetration testing exercises and drive the remediation of findings
• Contribute to and help manage the company’s bug bounty program by validating and triaging reported vulnerabilities
• Assist in developing security guidelines and documentation for the ZetaChain ecosystem

Requirements

• Location:
  • Hybrid in San Francisco or NYC is preferred (1-2 days a week)
  • Open to Remote for exceptional candidates in US or CET Timezones
• 3+ years of experience in cybersecurity, with a focus on blockchain and Web3 technologies
• 2+ years of software development experience working with Go
• 2+ years of software development experience working with smart contracts (Ideally Solidity)
• Strong understanding of blockchain fundamentals, smart contract vulnerabilities, and DeFi-specific security risks
• 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 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 the Cosmos SDK, Ethereum, and other major blockchain protocols
• Previous experience auditing Go and Solidity code
• Contributions to open-source blockchain security tools or research
• Advanced knowledge of cryptography and its applications in blockchain technology
• 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

Why Work at ZetaChain

• Remote Flexibility: Enjoy a flexible work environment with quarterly team meetups
• Cutting-Edge Technology: Work on innovative blockchain solutions at the forefront of the industry
• Impactful Role: Directly contribute to the security and reliability of a leading blockchain protocol
• Continuous Learning: Stay updated with the rapidly evolving blockchain and security landscape through conferences, workshops, and training opportunities
• Collaborative Environment: Work alongside passionate professionals in blockchain and cybersecurity

How to Apply

If you’re excited about contributing to a revolutionary protocol, we’d love to hear from you. Please send your resume and a brief description of your relevant experience to or reach out to us on Discord..

ZetaChain is committed to creating a diverse and inclusive work environment. We encourage applications from all qualified individuals regardless of race, color, religion, gender, sexual orientation, age, national origin, or disability status.

Diversity and Inclusion

At ZetaChain, we believe that diverse teams build better products. We are committed to creating an inclusive environment where all employees feel valued and empowered to bring their full selves to work. We encourage applications from candidates of all backgrounds.