Senior Blockchain Engineer (x2)

Irvine, CA - USA

Monthly Salary: Not Disclosed

Posted on: 30 days ago

Vacancies: 1 Vacancy

Job Summary

Job Title		Senior Blockchain Engineer (x2)
Location		Fully onsite in Irvine or Mountain View CA; flexibility dependent on individual circumstances
Interview Process		3 Interviews virtual okay ideally one onsite 1st round w/Key Stakeholder 2nd w/ technical stakeholder 3rd w/ HR
Project Description		Senior Blockchain Engineer will architect and implement the blockchain foundation of the 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		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 . 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 (Must haves)		Layer 2 Blockchain Experience Proficiency in Java (any version) Real World Assets (RWA tough find) Bachelors or Masters 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)		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
S		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. Obsessed with trust reliability and protecting user data. Believes in AC Techs mission of building secure and inclusive digital ecosystems.

Job Title Senior Blockchain Engineer (x2) Location Fully onsite in Irvine or Mountain View CA; flexibility dependent on individual circumstances Interview Process 3 Interviews virtual okay ideally one onsite 1st round w/Key Stakeholder 2nd w/ technical stakeholde...

Job Title		Senior Blockchain Engineer (x2)
Location		Fully onsite in Irvine or Mountain View CA; flexibility dependent on individual circumstances
Interview Process		3 Interviews virtual okay ideally one onsite 1st round w/Key Stakeholder 2nd w/ technical stakeholder 3rd w/ HR
Project Description		Senior Blockchain Engineer will architect and implement the blockchain foundation of the 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		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 . 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 (Must haves)		Layer 2 Blockchain Experience Proficiency in Java (any version) Real World Assets (RWA tough find) Bachelors or Masters 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)		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
S		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. Obsessed with trust reliability and protecting user data. Believes in AC Techs mission of building secure and inclusive digital ecosystems.