Blockchain Developer jobs in United States
Web3 & Blockchain Developer
Job summary
A leading tech recruitment firm in Dubai is seeking a Web3 & Blockchain Developer to join a client's team. The role involves developing smart contracts, integrating blockchain functionalities, and collaborating on game infrastructure. Candidates should have 3-5 years of experience in Web3 development, strong skills in Solidity, and familiarity with modern web frameworks like React. This is a fantastic opportunity to work in a dynamic environment.
Qualifications
- 3-5 years of experience as a Web3 / Blockchain Developer with strong knowledge of Ethereum.
- Proficient in Solidity and frameworks like Hardhat, Truffle, or Foundry.
- Experience with Web3JS or EthersJS for wallet connections.
- Familiarity with React, Redux, and Tailwind CSS.
- Strong grasp of blockchain security best practices.
Responsibilities
- Design and deploy smart contracts for match results and NFT minting.
- Integrate Web3 functionality with the frontend and manage on-chain transactions.
- Support development of ranking systems using blockchain validation.
- Collaborate with databases to manage user data and NFT metadata.
Skills
Tools
At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a Web3 & Blockchain Developer to join one of our clients' teams. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you.
Web3 & Blockchain Developer role focusing on smart contract development, blockchain integration, game & player infrastructure, and backend collaboration to support a scalable platform with NFT assets and on-chain interactions.
- Smart Contract Development & Deployment
- Design, implement, and deploy smart contracts for match results, NFT minting, and automated reward distribution.
- Ensure transparency, automation, and tamper-proof operations through secure contract logic.
- Conduct testing and auditing of contracts to maintain reliability and security.
- Blockchain Integration
- Integrate Web3 functionality with the frontend (React, Tailwind, TypeScript).
- Implement wallet connection (MetaMask, Coinbase Wallet, etc.) and manage on-chain transactions.
- Enable NFT creation and asset management directly within the platform.
- Game & Player Infrastructure
- Support the development of a skill-based ranking system that reflects player performance and progression.
- Contribute to anti-cheating and fair-play mechanisms using blockchain validation and secure protocols.
- Backend & Database Collaboration
- Work with databases (MongoDB) to store user data, match history, tournament records, and NFT metadata.
- Use Redis for caching leaderboards, session data, and real-time game state.
- 3-5 years of proven experience as a Web3 / Blockchain Developer with strong knowledge of Ethereum.
- Proficiency in Solidity and smart contract frameworks (Hardhat, Truffle, or Foundry).
- Experience with Web3JS or EthersJS for wallet connections and contract interactions.
- Familiarity with React, React.js, Redux, Tailwind CSS, and TypeScript for frontend integration. Familiarity with NodeJS and ExpressJS for backend development.
- Understanding of MongoDB and Redis for backend data management.
- Strong grasp of blockchain security best practices and optimization techniques.
- Experience with NFT standards (ERC-721, ERC-1155) and tokenomics.
- Problem-solving mindset and ability to work in a fast-paced, collaborative environment.
- Experience with real-time gaming platforms or competitive ranking systems.
- Knowledge of L2 scaling solutions (Polygon, Arbitrum, Optimism) or cross-chain integrations.
- Previous work on anti-cheating mechanisms or game validation protocols.
- Familiarity with tournament systems and multiplayer matchmaking.
* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.
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