About DecryptCode
• DecryptCode Inc. is a technology company headquartered in White Plains, New York, delivering custom, high-quality software through deep technical expertise and close partnership with our clients and internal product teams.
• We specialize in web, mobile (iOS & Android), and bespoke software development, with a strong emphasis on engineering excellence, transparency, and thoughtful user experience. At DecryptCode, we don't just write code - we collaborate closely with stakeholders to turn complex ideas into scalable, reliable, and impactful products.
About the Role
• We are looking for a Senior Web3 & Blockchain Engineer to join our distributed team and help design, build, and refine production-grade Web3 platforms.
• This role is ideal for a senior engineer who:
• Is comfortable working across smart contracts, backend services, and frontend dApps
• Values clean architecture, security, and maintainable systems
• Enjoys collaborating with engineers, product leaders, and designers
• Takes ownership and treats product quality and security as shared responsibilities
• You will play a key role in translating business and product requirements into secure, scalable Web3 solutions.
Key Responsibilities
Web3 & Blockchain Development
• Design, develop, and maintain smart contracts and blockchain integrations
• Build and integrate Web3 APIs, services, and backend systems
• Develop and maintain dApp frontends with a strong focus on usability and reliability
• Work with wallets, signing flows, and on-chain/off-chain interactions
System Quality & Security
• Ensure smart contract security, performance, and correctness
• Improve existing codebases for scalability, clarity, and maintainability
• Participate in code reviews and contribute to best practices around Web3 security and architecture
Collaboration & Ownership
• Work closely with cross-functional teams as a true technical partner
• Clearly communicate technical decisions and progress in a remote environment
• Proactively suggest improvements to product design, architecture, and workflows
Required Qualifications
• 4–6+ years of professional software development experience
• 2+ years of hands-on Web3 / blockchain development
• Strong experience with Ethereum or EVM-compatible chains
• Proficiency in Solidity and smart contract development
• Experience with JavaScript / TypeScript and modern frontend frameworks (React)
• Backend experience with Node.js or similar technologies
• Experience working on production systems with real users
• Ability to work independently and manage priorities in a fully remote setting
Preferred Qualifications
• Experience with DeFi, NFTs, DAOs, or on-chain marketplaces
• Familiarity with Polygon, Arbitrum, Optimism, or other L2s
• Experience with Web3 libraries (ethers.js, web3.js, wagmi, etc.)
• Understanding of smart contract auditing and security best practices
• Experience in early-stage or small, collaborative engineering teams
• Comfortable using AI-assisted development tools to improve productivity
Engagement Details
• Weekly Compensation: $3,000 – $3,500 USD (depending on experience and scope)
• Payment: USD or cryptocurrency (USDC / USDT / ETH — flexible)
• Time commitment: ~15–25 hours per week
• Location: Fully remote
• Engagement type: Contract, with potential for long-term or extended collaboration
Why DecryptCode
• At DecryptCode, engineers are partners, not order-takers. We value craftsmanship, ownership, and product thinking as much as technical depth.
• If you care about building real Web3 products, value transparency, and enjoy working with a small, senior team focused on quality - you'll feel at home here.
Remote
About the Company:
decryptcode
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