Blockchain Developer

MastarRec

Seattle, Washington

JOB DETAILS
SKILLS
Analysis Skills, Blockchain, Communication Skills, Continuous Deployment/Delivery, Continuous Integration, Cryptography, Dental Insurance, Docker, Earned Value Management (EVM), Ethereum, Financial Systems, Vision Plan
LOCATION
Seattle, Washington
POSTED
14 days ago
MastarRec is hiring a Blockchain Developer to support innovative financial technology platforms operating across the United States. This role focuses on building, scaling, and securing modern financial systems in a fast -paced environment.<\/span>
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Key Responsibilities
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  • Design, develop, and deploy smart contracts<\/b> using Solidity<\/b> on Ethereum<\/b> and compatible EVM blockchains.
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  • Build and maintain dApps<\/b>, including wallets, exchanges, and DeFi protocols.
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  • Integrate blockchain technologies<\/b> with existing systems, APIs, and cloud infrastructures.
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  • Design, build, or manage FinTech platforms and solutions
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  • Collaborate with engineering, product, and compliance teams
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  • Ensure regulatory and security best practices
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  • Support scalability, performance, and reliability
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    Requirements<\/h3>

    Required Skills
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    • FinTech or financial systems knowledge
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    • Data, risk, or software development expertise
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    • Strong analytical and communication skills
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    • Experience with blockchain frameworks<\/b> such as Truffle<\/b>, Hardhat<\/b>.
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    • Strong understanding of cryptographic principles<\/b>, decentralized networks<\/b>, and consensus mechanisms<\/b>.
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      Desired Skills
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      • Exposure to Polkadot<\/b>, Cosmos<\/b>, or Solana<\/b> ecosystems.
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      • Experience with Layer 2 solutions<\/b> (e.g., Arbitrum, Optimism).
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      • Understanding of zero -knowledge proofs<\/b> (zk -SNARKs / zk -Rollups).
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      • Payments, lending, or blockchain experience
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      • Regulatory or compliance knowledge
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      • Familiarity with containerization<\/b> (Docker) and CI/CD pipelines<\/b>.
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        Benefits<\/h3>

        Job Benefits
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        • Competitive base salary plus crypto or equity incentives<\/b>
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        • Flexible remote -first<\/b> work environment
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        • Competitive salary and bonus potential
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        • Health, dental, and vision insurance
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        • Equity or incentive programs (role dependent)
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        • Comprehensive health and wellness support<\/b>
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About the Company

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MastarRec