Senior Blockchain Engineer

Saxon Global • Irvine, CA

1d • Onsite

About The Position

We are seeking a highly skilled Senior Blockchain Engineer to be the go-to expert for blockchain technology. This role involves 70% coding and 30% cross-functional work, including providing technical guidance to Product Managers and Marketing teams on feasibility. You will be involved in new product design with the Marketing team, meet with end customers for approximately 5 hours per week, and collaborate with a team in China, with flexibility in start times to accommodate different time zones. Your primary responsibilities will include designing, building, and maintaining blockchain protocols, smart contracts, and distributed systems for BioMatrix.ai. You will develop tokenized payment systems and identity verification flows, focusing on high security and usability. The role also involves implementing smart contracts for token utility, payments, and governance, ensuring the security, scalability, and efficiency of blockchain systems through rigorous testing and best practices. Additionally, you will integrate biometric verification (Face Scan) and payment flows (BioPay) into blockchain applications, collaborate with Product, Engineering, and QA teams to align blockchain development with the roadmap and user needs, mentor junior engineers, and contribute to best practices within AC Tech. Staying ahead of emerging trends in Web3, DeFi, real-world asset (RWA) tokenization, and decentralized identity is crucial for guiding innovation.

Requirements

• Layer 2 Blockchain Experience
• Proficiency in Java (any version)
• Real World Assets (RWA)
• Bachelor's or Master's degree in Computer Science, Cryptography, or related technical field.
• 5+ years of blockchain development experience (protocol, dApps, Layer 1/Layer 2, or DeFi/Web3).
• Proficiency in Java and Solidity.
• Strong understanding of smart contract security, cryptography, and distributed systems.
• Experience with Ethereum, Solana, or other major blockchain platforms.
• Proven track record of delivering production-grade blockchain systems.
• Excellent problem-solving, collaboration, and communication skills.

Nice To Haves

• HUGE plus if they speak Chinese - team in China
• Layer 1 blockchain experience
• Experience in Go
• Familiarity with fintech, identity verification, or biometric systems is a plus.
• Experience working on payments platforms is applicable

Responsibilities

• Design, build, and maintain blockchain protocols, smart contracts, and distributed systems powering BioMatrix.ai.
• Develop tokenized payment systems and identity verification flows, ensuring high security and usability.
• Implement smart contracts for token utility, payments, and governance.
• Ensure security, scalability, and efficiency of blockchain systems through rigorous testing and best practices.
• Integrate biometric verification (Face Scan) and payment flows (BioPay) into blockchain applications.
• Collaborate with Product, Engineering, and QA teams to align blockchain development with roadmap and user needs.
• Mentor junior engineers and contribute to best practices for blockchain development within AC Tech.
• Stay ahead of emerging trends in Web3, DeFi, real-world asset (RWA) tokenization, and decentralized identity to guide innovation.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior