Principal/Senior Staff Engineer

Cavendish Professionals • United Kingdom, United Kingdom • Posted June 28, 2026

About the Role

Principal / Senior-Staff Engineer

I’m supporting a global tech company that’s going through an exciting transformation and is looking for a high-impact Principal / Senior-Staff Engineer. This is a hands-on individual contributor role with significant influence across teams and leadership, directly reporting into the CTO.


The role is ideal for someone who thrives at the intersection of deep technical expertise, system design, and collaborative leadership, shaping the direction of complex projects without direct people management.


What makes this role unique

  • Solve meaningful challenges at scale – Work on innovative problems in digital safety, trust, and privacy, designing solutions that reach millions of users worldwide.

  • Work across the stack – From low-level systems to user-facing applications, you’ll have the chance to explore different layers of technology and see your work make a visible impac...