Web3 & Blockchain Developer

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.

Key Responsibilities

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.

Nice to Have

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.