Blockchain/ Smart Contract Engineer

New York 14 days agoContractor External
Negotiable
Description: Join our Digital Assets Engineering team to design, develop, and secure smart contracts powering tokenization, custody, and settlement solutions. You will work on cutting-edge blockchain integrations within a regulated financial environment, ensuring scalability, security, and compliance. We can facilitate w2 and corp-to-corp consultants. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Rate: $90 - $99 / hr. w2 Responsibilities: • Design and implement secure, efficient smart contracts for tokenization and digital asset workflows • Collaborate with product and architecture teams to integrate contracts with EVM-compatible chains and enterprise systems • Conduct code reviews, enforce best practices, and ensure compliance with internal security standards • Implement automated testing frameworks for smart contract deployments • Work closely with cybersecurity teams to address vulnerabilities and engage in external security vendor audit of our smart contracts • Optimize performance and scalability for high-volume transaction environments Experience Requirements: • 3+ years of development experience in blockchain and smart contracts • Proficiency in Solidity and smart contract development • Experience with Ethereum, Hyperledger Besu, and EVM-based platforms • Strong understanding of tokenization standards (e.g., EIP-7702, EIP-712, ERC-1451) • Knowledge of cryptographic principles, MPC, and secure key management Preferred Experience • Financial services or regulated environments • Integration with custody and settlement systems • Agile development and DevSecOps practices • Java • Spring Boot Education Requirements: Preferred Certifications • C4 Ethereum Developer • Cyfrin Smart Contract