Position: Blockchain( Solidity) Developer
Company: Junkineering
Experience required: 3y
English level: intermediate

We are seeking an experienced Blockchain Developer with expertise in developing smart contracts for games using Solidity. As a Blockchain Developer, you will be responsible for designing, implementing, and maintaining smart contracts on blockchain platforms, with a particular focus on gaming applications. You will work closely with our game development team to create secure, scalable, and efficient smart contract solutions for our blockchain-based games.

**Requirements:**
- Proven experience as a Blockchain Developer with a strong focus on developing smart contracts for games using Solidity.
- Strong understanding of blockchain concepts, particularly in the context of gaming applications.
- In-depth knowledge of Solidity programming language and its related tools, libraries, and frameworks.
- Experience with deploying smart contracts on blockchain platforms
- Familiarity with game development concepts and game mechanics, and the ability to integrate smart contracts with game logic.
- Strong understanding of security best practices in smart contract development, including handling of private keys, access control, and secure coding practices.
- Strong understanding of game economics, virtual assets, and tokenization concepts in the context of blockchain-based games.
- Knowledge of decentralized finance (DeFi) protocols and concepts, such as ERC20, ERC721, or ERC1155 token standards.
- Familiarity with blockchain development frameworks, libraries, and tools such as Truffle, Web3.js, or ethers.js.
- Experience with smart contract security audits, code reviews, and best practices to identify and mitigate potential vulnerabilities.
- Understanding of consensus algorithms, blockchain consensus mechanisms, and their impact on smart contract development.
- Familiarity with game monetization models and strategies, including in-game purchases, virtual currency, and microtransactions.
- Ability to develop and implement smart contract test cases and perform unit testing, integration testing, and end-to-end testing to ensure the robustness of smart contracts.

**Responsibilities:**
- Design, develop, and deploy smart contracts using Solidity on blockchain platforms such as Ethereum, Binance Smart Chain, or others, for gaming applications.
- Collaborate with game developers and other stakeholders to understand game mechanics and requirements, and implement smart contracts that integrate seamlessly with the game logic.
- Ensure the security, scalability, and efficiency of smart contracts, and conduct thorough testing to identify and fix any vulnerabilities or issues.
- Optimize gas usage and transaction costs to ensure cost-effective and efficient smart contract implementations.
- Implement and integrate APIs, oracles, and other external services to enable communication between smart contracts and off-chain systems.
- Keep up-to-date with the latest advancements and best practices in blockchain technology, particularly in the gaming industry, and provide recommendations for improvements to existing systems.
- Troubleshoot and debug smart contracts and provide timely resolutions to issues.
- Collaborate with cross-functional teams, including front-end developers, UX/UI designers, and product managers, to deliver high-quality gaming experiences with blockchain integration.