603 USD
19 proposals
Project Overview
We are looking for an experienced full-stack blockchain developer to create a next-generation decentralized finance (DeFi) platform. The project involves developing a secure, scalable, and high-performance Web3 infrastructure, including smart contracts, backend services, APIs, and modern frontend.
The ideal candidate has experience in developing ready-to-use blockchain applications and can work with the entire technology stack.
Responsibilities
- Design and develop the DeFi platform from concept to production.
- Develop secure smart contracts using Solidity.
- Create backend services using Node.js or NestJS.
- Develop responsive frontend applications using React or Next.js.
- Integrate Web3 wallets such as MetaMask, WalletConnect, and Coinbase Wallet.
- Integrate blockchain networks including Ethereum, Base, Arbitrum, Optimism, Polygon, or BNB Chain.
- Develop REST APIs and GraphQL services.
- Implement staking logic, token management, and reward distribution where applicable.
- Integrate price oracles and blockchain indexing services.
- Optimize the performance, scalability, and reliability of the platform.
- Write unit and integration tests.
- Participate in architecture discussions and code reviews.
- Prepare technical documentation.
Required Skills
- Solidity
- Node.js
- TypeScript
- React.js / Next.js
- Web3.js or Ethers.js
- REST API / GraphQL
- PostgreSQL or MongoDB
- Docker
- AWS, Google Cloud, or Azure
- Git