Senior Backend Engineer – Scalable AI-CRM (Remote)

Jack & Jill is seeking a Senior Product Engineer (Backend) in London to architect systems handling 250,000+ events per minute using Node.js and TypeScript. You will own features end-to-end under a VP of Engineering with extensive leadership experience, serving 5,000+ paying customers.

The role offers remote-friendly work in a fast-growing startup backed by major investors. You will design scalable backend services and REST APIs to power AI-native workflows.

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