Trident Consulting

Blockchain Developer

⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior Blockchain Engineer in Irvine or Mountain View, CA, lasting 3-6 months at $70-$85/hr. Requires 5+ years of blockchain experience, proficiency in Java and Solidity, and expertise in Layer 2 blockchain and RWA.
🌎 - Country
United States
πŸ’± - Currency
$ USD
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πŸ’° - Day rate
680
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πŸ—“οΈ - Date
October 9, 2025
πŸ•’ - Duration
3 to 6 months
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🏝️ - Location
On-site
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πŸ“„ - Contract
Unknown
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πŸ”’ - Security
Unknown
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πŸ“ - Location detailed
Irvine, CA
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🧠 - Skills detailed
#Java #Scala #Leadership #Consulting #AI (Artificial Intelligence) #ML (Machine Learning) #Cybersecurity #Cloud #Security #Agile #Computer Science
Role description
Trident Consulting is seeking a " Senior Blockchain Engineer " for one of our clients. " A global leader in business and technology services. Role: Senior Blockchain Engineer Location: Fully onsite Irvine, CA or Mountain View, CA(some flexibility dependent on individual circumstances) Duration: 3-6 Months CTH Pay Rate: $70-$85/hr on C2C depending on experience Work Authorization: Someone who doesn’t require visa sponsorship at all. Day to Day duties: β€’ Go-to Blockchain expert β€’ 70% coding/30% cross-functional work providing guidance to Product Managers and Marketing teams on technical feasibility β€’ Will be involved in new product design with Marketing team β€’ Meeting with end customers (5 hours/week) β€’ Will work with team in China (unsure what hours but will allow flexibility for start times) β€’ Design, build, and maintain blockchain protocols, smart contracts, and distributed systems powering BioMatrix.ai. β€’ Develop tokenized payment systems and identity verification flows, ensuring high security and usability. β€’ Implement smart contracts for token utility, payments, and governance. β€’ Ensure security, scalability, and efficiency of blockchain systems through rigorous testing and best practices. β€’ Integrate biometric verification (Face Scan) and payment flows (BioPay) into blockchain applications. β€’ Collaborate with Product, Engineering, and QA teams to align blockchain development with roadmap and user needs. β€’ Mentor junior engineers and contribute to best practices for blockchain development within AC Tech. β€’ Stay ahead of emerging trends in Web3, DeFi, real-world asset (RWA) tokenization, and decentralized identity to guide innovation. TOP Requirements: β€’ Layer 2 Blockchain Experience β€’ Proficiency in Java (any version) β€’ Real World Assets (RWA – tough find) β€’ Bachelor’s or Master’s degree in Computer Science, Cryptography, or related technical field. β€’ 5+ years of blockchain development experience (protocol, dApps, Layer 1/Layer 2, or DeFi/Web3). β€’ Proficiency in Java and Solidity. β€’ Strong understanding of smart contract security, cryptography, and distributed systems. β€’ Experience with Ethereum, Solana, or other major blockchain platforms. β€’ Proven track record of delivering production-grade blockchain systems. β€’ Excellent problem-solving, collaboration, and communication skills. Nice to have: β€’ HUGE plus if they speak Chinese - team in China β€’ Layer 1 blockchain experience β€’ Experience in Go β€’ Familiarity with fintech, identity verification, or biometric systems is a plus. β€’ Experience working on payments platforms is applicable Trident Consulting is a premier IT staffing firm providing high-impact workforce solutions to Fortune 500 and mid-market clients. Since 2005, we've specialized in sourcing elite technology and engineering talent for contract, direct hire, and managed services roles. Our expertise spans cloud, AI/ML, cybersecurity, and data analytics, supported by a 3M+ candidate database and a 78% fill ratio. With a highly engaged leadership team and a reputation for delivering hard-to-fill, niche talent, we help organizations build agile, high-performing teams that drive innovation and business success. Learn more: tridentconsultinginc.com. Some of our recent awards include: β€’ Trailblazer Women Award 2025 by Consulate General of India in San Francisco. β€’ Ranked as the #1 Women Owned Business Enterprise in the large category by ITServe β€’ Received the TechServe Excellence award