Web3 & Blockchain Developer Bucharest

Web3 & Blockchain Developer
Bucureşti
Bucharest, Bucharest, Romania

At Tech
Biz 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
  - 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, Type
  Script).
• Implement wallet connection (Meta
  Mask, Coinbase Wallet, etc. ) and manage
  - chain transactions.

Enable NFT creation and asset management directly within the platform.

Game & Player Infrastructure

• Support the development of a
  - based ranking system that reflects player performance and progression.
• Contribute to
  - cheating and
  - play mechanisms using blockchain validation and secure protocols.
  
  Backend & Database Collaboration
• Work with databases (Mongo
  DB) to store user data, match history, tournament records, and NFT metadata.
• Use Redis for caching leaderboards, session data, and
  - 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 Ethers
  JS for wallet connections and contract interactions.
• Familiarity with React, React. js, Redux, Tailwind CSS, and Type
  Script for frontend integration. Familiarity with Node
  JS and Express
  JS for backend development
• Understanding of Mongo
  DB 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
  - paced, collaborative environment.
  
  Nice to Have
• Experience with
  - time gaming platforms or competitive ranking systems.
• Knowledge of L2 scaling solutions (Polygon, Arbitrum, Optimism) or
  - chain integrations.
• Previous work on
  - cheating mechanisms or game validation protocols.
• Familiarity with tournament systems and multiplayer matchmaking.