Overview
On Site
Hybrid
Up to $85
Contract - W2
Contract - 6 Month(s)
No Travel Required
Skills
blockchain
payments
payment
java
GO
Job Details
Position: Senior Blockchain Engineer
Location: Fully onsite in Irvine, CA or Mountain View, CA
Duration: 3-6 Months CTH-
Day to Day duties:
- 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.
TOP Requirements:
- 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.
Nice to have:
- 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
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