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  • Senior Blockchain Developer
    Senior Blockchain Developer
    6 days ago
    $240000–$280000 yearly
    Full-time
    Manhattan, New York

    Senior Blockchain Developer Remote | Full-Time | $240,000–$280,000 USD Build the Future of Web3 Are you passionate about blockchain technology and excited by the opportunity to build products that can transform industries? We're looking for a Senior Blockchain Developer to join our growing team and help create next-generation solutions across Web3, digital assets, tokenized real estate, decentralized finance (DeFi), and smart contract infrastructure. This is more than just another engineering role. You'll have the opportunity to shape technical strategy, influence product direction, and work on innovative projects that push the boundaries of blockchain technology. If you're a builder, problem solver, and blockchain enthusiast who thrives in a fast-paced environment, we'd love to hear from you. Responsibilities • Design, develop, test, and deploy secure smart contracts on Ethereum and EVM-compatible blockchains., • Build and maintain scalable decentralized applications (dApps) and Web3 platforms., • Develop backend services, APIs, and blockchain integrations using Node.js and TypeScript., • Collaborate with product managers, designers, and engineers to deliver high-quality features and products., • Architect blockchain solutions that prioritize scalability, security, and performance., • Conduct code reviews and provide technical mentorship to junior and mid-level developers., • Integrate wallets, token standards, payment systems, and third-party blockchain services., • Monitor, troubleshoot, and optimize production blockchain applications., • Implement security best practices and participate in smart contract audits and risk assessments., • Improve development workflows, CI/CD pipelines, testing frameworks, and deployment processes., • Research emerging blockchain technologies and evaluate new tools, protocols, and frameworks., • Contribute to technical documentation, architecture planning, and engineering standards., • Participate in technical discussions and help drive long-term product and technology strategy., • Work closely with cross-functional teams to ensure successful product launches and ongoing improvements. Required Qualifications • 5+ years of professional software engineering experience., • 3+ years of hands-on blockchain development experience., • Strong expertise in Solidity and Ethereum smart contract development., • Experience building production-grade applications using React, TypeScript, and Node.js., • Strong understanding of blockchain architecture, decentralized systems, and Web3 technologies., • Experience with ethers.js, viem, wagmi, or similar Web3 libraries., • Knowledge of token standards including ERC-20, ERC-721, and ERC-1155., • Experience with REST APIs, GraphQL, databases, and cloud infrastructure., • Strong understanding of software design patterns and scalable architecture., • Excellent problem-solving, communication, and collaboration skills. Nice-to-Have Qualifications • Experience building DeFi, NFT, RWA, or tokenization platforms., • Familiarity with Layer 2 scaling solutions and cross-chain technologies., • Experience conducting or supporting smart contract security audits., • Knowledge of AWS, Docker, Kubernetes, and infrastructure automation., • Experience working in startups or high-growth technology companies., • Open-source contributions within the blockchain ecosystem.

    Immediate start!
    Easy apply
  • Business Partner Opportunity
    Business Partner Opportunity
    8 days ago
    $500–$3000 monthly
    Part-time
    Manhattan, New York

    What is this? One of our clients started a small consulting business called CollaboBiz LLC. He works with skilled software developers and IT professionals who help companies complete technology projects. We are now looking for people who want to build a similar business and earn passive monthly income with him. You do NOT need to be a software developer. How does it work? You will create your own small business (such as an LLC) and manage that with Bryant. You will work with 2—3 experienced software developers or IT professionals who will perform the technical work and help find project opportunities. Your main role is to act as the business owner and handle any personal verification or onboarding steps that require your direct participation. The developers will handle most of the technical work and project delivery. Your Responsibilities 1. Create Your Business • Register an LLC or similar business entity., • Set up basic business information. 2. Work With Your Team • Build a team of software developers or IT professionals., • Allow them to help manage business activities and client projects. 3. Handle Onboarding Requirements • Complete identity verification when required., • Attend onboarding meetings if needed., • Complete background checks or drug tests if requested. 4. Manage Your Business • Stay in communication with your team., • Review important business decisions., • Help keep operations running smoothly. What You Don't Need To Do • You do not need to know programming., • You do not need to build software., • You do not need to manage technical projects daily., • You do not need to find clients by yourself. Earnings • When projects generate revenue, income is shared between you and your team. A typical business owner may earn approximately $1,000—$1,500 per month per active project, while the developers receive the remaining share for performing the technical work., • The more successful projects your business operates, the higher your earning potential. Who Should Apply? • People who want additional monthly income., • People interested in owning a small business., • Good communicators and responsible individuals., • No software development experience required.

    No experience
    Easy apply
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