JavaScript Job: Blockchain Engineer

You’ll Be Responsible for...

• Designing and implementing standard ERC contracts (721, 1155, 20)

• Adding extra-spec features to standard ERC contracts (e.g. metadata)

• Quickly implementing and testing new smart contract interactions (game mechanics, on-chain business logic, manager contracts)

You’re a Good Fit if...
You are/have:

• Expert frontend and backend Javascript/Typescript skills (Node.js)

• Expert in Solidity smart contracts

• Expert in EVM debugging

• Understanding of performance and gas in Ethereum

• Strong understanding of mints, approvals, burns

• Experience with ethers, web3.js, useDapp, and similar libraries

• Experience in manual and automated contract deployment (Truffle, Remix, etc)

• Experience in building multi-network frontend user interfaces

• Manage permissions and authorization between addresses and smart contracts

• Experience working with blockchain explorer APIs

• Experience submitting transactions to the blockchain from the frontend

• Experience working with contract-verified server-side signatures

• Strong understanding of crypto security (keys, mnemonics, wallets, signatures, secure contexts, practical user interface spoofing concerns)

• Can implement crypto user interfaces in React

• Have implemented many tokenURI server-side endpoints, including 2d images, video, and 3d models

We expect this experience to find its origin in multiple years (at least 4 years) working in the startup/blockchain/gaming space.

Our Process

• Application review

• Interviews via Voice/Video Call or Discord Chat

• Coding challenge - We will provide a task from our open issues - Any solution we use will be paid for

• Contract negotiations

• Total expected time to hire: A few days to a couple weeks

Job Type: Full-time

Salary: From £100,000.00 per year

Schedule:

• 8 hour shift

Experience:

• ethers, web3.js, useDapp, and similar libraries: 3 years (required)
• building multi-network frontend user interfaces: 3 years (required)