Senior Web Platform Architect – Next.js & Growth Tech

Fin in London is seeking a Principal Engineer to shape the technical direction and architectural evolution of our web platform. You will lead cross-functional teams across marketing, analytics, design, data science, and engineering to ensure a scalable, measurable, and delightful web stack.

You will mentor engineers, define long-term strategy, and contribute hands-on to the codebase while ensuring reliability, observability, and high-quality shipping in a hybrid work environment.

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