Overview
Hybrid
Full Time
Accepts corp to corp applications
Contract - W2
Contract - Independent
Contract - 6
Skills
Product Design
Marketing
Payment Systems
Usability
Scalability
Testing
Product Engineering
Quality Assurance
Roadmaps
Mentorship
Innovation
SANS
Computer Science
Data Link Layer
Java
Solidity
Cryptography
Ethereum
Conflict Resolution
Problem Solving
Collaboration
Communication
Chinese
Physical Layer
Artificial Intelligence
Sales
Finance
Startups
Cash Flow
Cryptocurrency
Blockchain
Payments
Access Control
Job Details
Senior Blockchain Engineer
Fully onsite in Irvine or Mountain View, CA
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).
Duties/Day to Day Overview
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- 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.
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- 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.s
Top Requirements
(Must haves
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- Layer 2 Blockchain Experience
- Proficiency in Java (any version)
- Real World Assets (RWA tough find)
- 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.
Additional Qualifications
(Nice to Haves
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- 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 at Stripe or other payments platforms is applicable
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- AVOID: AI Engineers (okay with AI experience but needs blockchain)
- Cooper describes AC Technology as a "fun startup trying to change the world"
- 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.
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- Obsessed with trust, reliability, and protecting user data.
- Believes in AC Tech's mission of building secure and inclusive digital ecosystems
Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.