Senior Java Backend Engineer – Fintech, Stock Options

ARQ, a fast-growing fintech, is hiring a Backend Engineer in the United Kingdom. You will design and maintain scalable backend systems powering our cross-border money movement products.

You’ll work with a strong team to deliver secure, high-performing services that enable global financial inclusion. The role focuses on greenfield development and improving existing systems, building REST APIs and microservices, and evolving systems like card payments, treasury, and crypto liquidity using Java 25,

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