</> Cosmin Marica

    Cosmin Marica

    Backend-Focused Full-Stack Developer with Web3 Expertise

    I build production-ready products across web and blockchain using Node.js, TypeScript, PostgreSQL, React and Solidity.

    Web2 / Product Engineering

    Backend and full-stack work for SaaS, real-time apps, e-commerce, auth, payments, APIs, deployment, and maintainable product delivery.

    Explore Web2 Work

    Web3 / Blockchain Engineering

    Smart contracts, Solidity, EVM-compatible chains, ERC standards, event indexing, governance, wallet integrations, and on-chain/off-chain systems.

    Explore Web3 Work

    Why Teams Work With Me

    Compact signals of delivery quality, collaboration style, and technical breadth.

    Production-Ready Delivery

    Built and shipped live products across SaaS, real-time applications, ecommerce, and Web3 systems.

    Remote-First Collaboration

    Comfortable in async product workflows with clear stakeholder communication, iterative delivery, and dependable execution.

    Full-Stack + Web3 Depth

    From APIs, databases, and deployment to Solidity, event indexing, and on-chain/off-chain architecture.

    Let's Build the Right Product

    If you are hiring for backend-focused full-stack delivery or Solidity + Web3 engineering, I can step in where architecture quality and execution speed both matter.

    LinkedInGitHub