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Techchain AI

Blockchain Engineer

Sorry, this job was removed at 01:53 p.m. (AEST) on Friday, Mar 06, 2026
Remote
Hiring Remotely in Australia
Remote
Hiring Remotely in Australia

About the Role

We are looking for a skilled and innovative Blockchain Engineer to join our team and help build the core on-chain infrastructure for our Web3 gaming ecosystem. You will design smart contracts, enable multi-chain interoperability, build staking systems, and integrate wallets and NFTs across multiple EVM and non-EVM chains.

This is a key position for driving the blockchain foundation of our platform.

Responsibilities
- Design, develop, and deploy smart contracts (Solidity, Rust) supporting staking, NFTs, and in-game assets.
- Implement multi-chain integrations across EVM-compatible networks and Solana.
- Develop secure and gas-optimized staking, bridging, and token mechanisms.
- Integrate wallet functionality (MetaMask, Phantom, WalletConnect) into Web and Mobile apps.
- Build backend services that interact with blockchain nodes and smart contracts.
- Perform smart contract audits, threat modeling, and vulnerability assessments.
- Research and implement new Layer 2, rollups, and multi-chain scalability solutions.
- Collaborate with Full Stack, DevOps, and Product teams on architecture and deployment.
- Support NFT minting pipelines, metadata storage, royalties, and marketplace logic.
- Maintain blockchain documentation, SDKs, and technical specifications.

Preferred Qualifications
- 3+ years experience with Solidity, Rust, Smart Contracts.
- Strong experience with Web3.js / ethers.js, Hardhat, Truffle, Anchor, or Foundry.
- Deep understanding of EVM, Solana, NFTs, ERC-20, ERC-721, ERC-1155 standards.
- Experience with staking, liquidity pools, DeFi mechanics, and yield logic.
- Familiarity with Layer 2 technologies (zkSync, Arbitrum, Optimism, Polygon).
- Experience integrating blockchain systems with Node.js, TypeScript, or Python.
- Security-focused mindset with experience mitigating common smart contract vulnerabilities.

What you need to know about the Melbourne Tech Scene

Home to 650 biotech companies, 10 major research institutes and nine universities, Melbourne is among one of the top cities for biotech. In fact, some of the greatest medical advancements were conceptualized and developed here, including Symex Lab's "lab-on-a-chip" solution that monitors hormones to predict ovulation for conception, and Denteric's vaccine for periodontal gum disease. Yet, the thousands of people working in the city's healthtech sector are just getting started, to say nothing of the tech advancements across all other sectors.

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