Principal Data Engineer

WTW • Greater London, Greater London, United Kingdom • Posted June 19, 2026

Location Greater London, Greater London

Job Type Full-time

Category business-and-financial-operations

Posted June 19, 2026

This job is with WTW, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.
Description

WTW's data products organization exists to turn data into a source of competitive advantage — powering smarter decisions, differentiating our client offer, and transforming how the business operates. As a Principal Data Engineer, you will be a senior technical voice in that effort, shaping the architecture and engineering practices that make it possible.

This is not a role for someone who wants to execute a defined plan. You will be working across two fronts simultaneously: building the core platform capabilities — the virtualized data lake, Common Data Layer, and data contract framework — that give WTW a unified, AI-ready data foundation; and embedding directly within product domains to deliver the high-quality, reusable data products tha...

Interested in this role?

Click the button below to start your application.

Apply Now