Job Description

We're working with an exciting and fast-scaling tech company in London that's building cutting-edge solutions at the intersection of crypto, commerce, and mobile technology.

They're now hiring two Blockchain & Crypto Engineers to join their core engineering team onsite and help shape the future of digital wallet integrations and crypto functionality across web and mobile platforms.

The Role

This is a hands-on, full stack role where you'll lead the development of wallet-based features, integrate crypto ramp services, and build secure customer onboarding workflows (including KYC). You'll be working with modern technologies and third-party services to bring seamless crypto experiences to life for end users.

What You'll Be Doing

Developing and integrating custodial and non-custodial wallet solutions using leading SDKs and APIs. Building crypto on-ramp/off-ramp flows and connecting to exchange and payment providers. Integrating KYC/onboarding solutions as part of the wallet setup process. Implementing and scaling secure web and mobile features. Collaborating with a multidisciplinary team across product, mobile and backend functions. Building for performance, security, and scalability in a real-world production environment.

What We're Looking For

Strong experience working with crypto wallets and SDK integrations. Understanding of blockchain ecosystems, decentralised technologies, and secure infrastructure. Full stack experience, ideally with JavaScript/TypeScript, Node.js, and React or similar. Experience developing for web and/or mobile environments. Hands-on familiarity with KYC, ramp providers, and crypto exchange APIs. A collaborative, solution-oriented mindset and ability to work onsite with technical teams.

Nice to Have

Exposure to smart contracts (Solidity), bridging techniques or gas optimisation. Previous experience working in a regulated crypto or fintech environment. Familiarity with tools like Metamask, WalletConnect, Firebase, GraphQL, or Docker.

Location & Package

Onsite role based in Central London Salary between 70,000 - 85,000 Dynamic team, modern tech stack, and major roadmap ahead

?

Interested?

If you're passionate about blockchain and crypto, and want to work on meaningful product-led engineering with real user impact - apply now to be considered.

Job Types: Full-time, Permanent

Pay: 70,000.00-85,000.00 per year

Schedule:

Monday to Friday
Work Location: In person

Reference ID: 923511