Job Details

Blockchain Security Specialist (100% Remote)

Join Tether and shape the future of digital finance. At Tether, were pioneering a global financial revolution by building products that empower businesses to seamlessly integrate reserve?backed tokens across blockchains. Our work enables instant, secure, and global digital token transactions at a fraction of the cost while maintaining transparency and trust.

Innovative product suite: Tethers flagship stablecoin USDT, tokenization services, eco?friendly Bitcoin mining, AI?driven data sharing, education programs, and more are at the core of our offerings.

Why join us? Were a global, fully remote team that is fast, lean, and leading the industry.

About the Job

We are seeking a Blockchain Security Specialist to join our Cybersecurity team. The role focuses on ensuring the security, integrity, and reliability of our blockchain solutions and smart contracts. The candidate will assess and harden advanced blockchain solutions on both EVM and non?EVM chains, and collaborate with developers, product teams, and security auditors.

Responsibilities

• Conduct security audits on smart contracts and blockchain solutions.
• Identify on?chain vulnerabilities and exploits.
• Collaborate with development teams to implement security best practices.
• Research and monitor new threats, attack vectors, and vulnerabilities on blockchain technologies.
• Develop and implement security frameworks for detecting threats and vulnerabilities.
• Collaborate with external security auditors to identify and address security issues.
• Contribute to the internal knowledge base and train development teams on blockchain security principles.

Qualifications

• 3+ years of experience in blockchain and smart contract security.
• Strong understanding of EVM compatible blockchains (Ethereum, Arbitrum, Optimism, Polygon) as well as non?EVM blockchains (Solana, Cosmos, Polkadot, TON).
• Proficiency in Solidity, Rust (Solana, Polkadot) and FunC/Tolk (TON).
• Strong experience with token standards and ecosystems.
• Deep knowledge of cross?chain operations, token issuance security, and Layer?2 solutions.
• Practical and theoretical knowledge of cryptography standards.
• Proven ability to execute code reviews manually and with automated tools.
• Understanding of threat modeling, attack surface analysis, and incident response processes.

Preferred Qualifications

• Contributions to open?source security tools or blockchain research.
• Prior experience with security auditing firms or major blockchain projects.

Important information for candidates

Recruitment scams can be common. Please apply only through our official channels: our careers page at Verify recruiter identity on LinkedIn. All official communication comes from @tether.io or @tether.to. We never request payment or financial details. If you encounter suspicious activity, report it immediately.