Lead Backend Engineer for AI-Driven Fintech Platform

Jack & Jill in London, UK, is seeking a Senior Backend Engineer to lead the development of high-performance backend systems for an AI-native fintech platform serving major financial institutions. You will own scalable infrastructure and agentic workflows, enabling complex data processing and investment intelligence at scale.

You will design and implement scalable backend services, build distributed pipelines and search infrastructure, and collaborate with product and AI teams to integrate large

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