Backend Engineer (City of London)

Backend Blockchain Engineer | Web3 financing | London | up to £90,000 + bonus

We're partnering with a cutting-edge Web3 financing platform that empowers users to buy, sell, and trade hundreds of digital assets seamlessly. As they continue to scale, they’re looking for a Backend Blockchain Engineer to join their growing London-based team.

Responsibilities

• Building and enhancing the software that interacts directly with native crypto assets, DeFi protocols, tokens, and smart contracts.
• Working across multiple blockchains and decentralized networks, expect variety!
• Expanding the functionality of existing systems and writing robust, maintainable tests.
• Taking ownership within a large, complex codebase and contributing to meaningful product evolution.

Requirements

• 5+ years of software engineering experience, ideally within backend-heavy roles.
• Strong proficiency with TypeScript and experience using SDKs like ethers.js , web3.js , or bitcoinjs-lib .
• Comfortable writing tests with Jest .
• Bonus points for experience with Golang , but not essential.

This is a unique chance to join a tight-knit engineering team within a well-backed organisation. You'll be hands-on in shaping a product that's at the forefront of decentralized finance.

Keen to hear more? Send over your CV and let’s chat.

Thanks,

Chloe