Entry Level Blockchain Engineer Internship Job October 2025

As a Blockchain Security Specialist at Tether, you will be instrumental in securing our innovative digital finance solutions. Your core responsibilities include:

• Conduct thorough security audits on smart contracts and various blockchain solutions to identify potential weaknesses.
• Proactively identify on-chain vulnerabilities and potential exploit vectors.
• Collaborate closely with development teams to integrate robust security best practices throughout the software development lifecycle.
• Continuously research and monitor emerging threats, attack vectors, and vulnerabilities across blockchain technologies.
• Design and implement advanced security frameworks for effective threat detection and vulnerability management.
• Partner with external security auditing firms to ensure comprehensive identification and resolution of security issues.
• Contribute to the internal knowledge base and provide training to development teams on critical blockchain security principles.

We are looking for a highly skilled and passionate individual with a strong commitment to securing the future of digital finance. The ideal candidate will possess:

• A minimum of 3 years of practical experience in blockchain and smart contract security.
• A profound understanding of major blockchain technologies, including both EVM-compatible (e.g., Ethereum, Arbitrum, Optimism, Polygon) and non-EVM compatible chains (e.g., Solana, Cosmos, Polkadot, TON).
• Proven proficiency in programming languages such as Solidity, Rust (for Solana, Polkadot), and FunC/Tolk (for TON).
• Extensive experience with various token standards and their associated ecosystems.
• Deep theoretical and practical knowledge of cross-chain operations, token issuance security, and Layer 2 solutions.
• Strong practical and theoretical foundation in cryptography standards.
• Demonstrated ability to perform effective code reviews, both manually and utilizing automated security tools.
• A solid understanding of threat modeling, attack surface analysis, and incident response processes.

Highly Desirable:

• Active contributions to open-source security tools or significant blockchain research.
• Previous experience with reputable security auditing firms or major blockchain projects will be a significant advantage.

To apply for this pioneering role, please click the button below. In the application form, please highlight your experience in blockchain security, particularly with smart contracts and diverse blockchain ecosystems. We are eager to learn how your expertise will contribute to Tether’s mission of securing digital finance.

Apply Now

Submit Application

🎉 Your application has been sent! We will contact you soon.

Q1: What is the application deadline for the Blockchain Security Specialist Job?
The closing date for applications is November 20, 2025. We encourage interested candidates to apply promptly.

Q2: Is this a remote or onsite position?
This is a 100% Remote position, offering flexibility to work from anywhere in the world.

Q3: What level of experience is required for this Blockchain Security Specialist role?
Candidates are expected to have a minimum of 3+ years of experience in blockchain and smart contract security.

Q4: What are the primary technical skills required for this position?
Key technical skills include proficiency in Solidity, Rust, and FunC/Tolk, along with a strong understanding of both EVM and non-EVM compatible blockchains, token standards, and cryptography.