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Techchain AI

Blockchain Engineer

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

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 Dublin Tech Scene

From Bono and Oscar Wilde to today's tech leaders, Dublin has always attracted trailblazers, with more than 70,000 people working in the city's expanding digital sector. Continuing its legacy of drawing pioneers, the city is advancing rapidly. Ireland is now ranked as one of the top tech clusters in the region and the number one destination for digital companies, with the highest hiring intention of any region across all sectors.

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