Web3 and AI Developer for Digital Marketplace

We are building a modern Web3 and AI-powered marketplace that combines blockchain technology, artificial intelligence, and digital assets.
The platform will allow users to discover, buy, sell, license, and trade digital assets through secure Web3 transactions. AI will be used to improve search, recommendations, automation, and the overall user experience.
We are looking for a Web3 + AI Developer to help us build, improve, and scale the platform.

Responsibilities
- Develop and maintain the Web3 marketplace.
- Build and integrate Web3 wallets and blockchain transactions.
- Develop and integrate smart contracts.
- Add AI-powered features such as search, recommendations, and automation.
- Develop APIs and backend services.
- Build marketplace features including listings, purchases, licensing, and trading.
- Integrate blockchain data and transaction history.
- Improve application performance, security, and scalability.
- Work closely with the product and design teams.
- Write clean, maintainable, and well-documented code.

Required Skills
- Experience with React.js, Next.js, TypeScript, and Node.js.
- Experience developing Web3 applications.
- Good understanding of Ethereum and EVM-based networks.
- Experience with Solidity and smart contracts.
- Experience integrating Web3 wallets.
- Experience working with AI or LLM APIs.
- Good understanding of APIs, databases, and backend development.
- Experience with Git and GitHub.
- Strong problem-solving and communication skills.

Nice to Have
- Experience building Web3 or digital-asset marketplaces.
- Experience with ERC-20, ERC-721, or ERC-1155.
- Experience with blockchain indexing or subgraphs.
- Experience with AI agents, RAG, or recommendation systems.
- Experience with GameFi or blockchain gaming.
- Experience with AWS, Docker, or CI/CD.

Technology
- Frontend: React.js, Next.js, TypeScript, Tailwind CSS
- Backend: Node.js, REST APIs, PostgreSQL / MongoDB
- Web3: Ethereum, EVM, Solidity, ethers.js / viem, OpenZeppelin
- AI: LLM APIs, AI automation, recommendations, AI-powered search
- Infrastructure: AWS, Docker, GitHub, CI/CD

What We Offer
- Remote work
- Flexible working environment
- Opportunity to work on an AI + Web3 product
- Exposure to blockchain, AI, and digital-asset technologies
- Opportunity to make a meaningful contribution to the product
- Potential for long-term collaboration

How to Apply
Please share your GitHub, portfolio, or relevant project examples, along with a brief introduction about your experience and availability.