Senior Blockchain Engineer (X2)

Senior Blockchain Engineer

Senior Blockchain Engineer will architect and implement the blockchain foundation of the BioMatrix.ai ecosystem. They will design secure, scalable, and user-friendly blockchain solutions that integrate biometric identity, payments, and data services.

This is a hands-on engineering role for someone who has deep blockchain expertise, thrives in 0→1 innovation, and is motivated to build real-world applications at global scale. Will work on upcoming projects around Real World Assets (RWA).

Roles & Responsibilities

• Reports to CTO - interim
• Go-to Blockchain expert
• 70% coding/30% cross-functional work providing guidance to Product Managers and Marketing teams on technical feasibility
• Will be involved in new product design with Marketing team
• Meeting with end customers (5 hours/week)
• Will work with team in China (unsure what hours but will allow flexibility for start times)
• 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.
• Selling Points:
• Interesting startup with ideas of how the world can be changed
• Irvine office gets lunch daily
• Lots of opportunities to develop engineers - growth in skillset, go to activities, events, founder sponsors a lot of events
• One of the first US-based engineers
• Can make fancy titles work
• Financial Stability - Stable as a startup, has enough cash flow, runway goes until 2028, salary can offer equity, cryptocurrency
• Excited to work on blockchain systems that combine identity, payments, and real-world applications.
• Comfortable with ambiguity, thrives in 0→1 environments, and moves quickly.
• Obsessed with trust, reliability, and protecting user data.
• Believes in AC Tech's mission of building secure and inclusive digital ecosystems.