Principal Software Engineer

Principal Software Engineer (Data Platforms / APIs)

London | Full-time | High-Scale Data Infrastructure

We’re working with a global digital asset and market data group operating at the intersection of financial markets, crypto, and institutional-grade data platforms .

This business powers real-time market data, indices, and analytics used by institutional clients worldwide. The engineering challenge is non-trivial: billions of requests per month , always-on systems, and zero tolerance for downtime or inaccurate data.

They’re now hiring a Principal Software Engineer to own the technical direction across their core data platforms and APIs .

This is a senior, hands-on IC leadership role . You’ll set architectural direction, solve problems, and raise the technical bar across teams.

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