Principal Software Engineer, Data Platform

Ready to be a Titan? The Data & Reporting Platform team powers Service

Titan’s growth by delivering high-quality, low-latency, and reliable data and BI products that enable trust, acceleration, and data-driven decision-making for our customers and across Service

Titan. We are looking for a Principal Software Engineer to own the semantic model architecture at the heart of our data platform. The semantic layer is the single source of truth for business metrics and logic, and it powers critical data products such as Reporting, and Agentic Analytics.

This role sits at the intersection of data modeling, platform engineering, and product thinking — you’ll define how data is modeled, governed, and consumed at scale across multiple product surfaces. This is a T-shaped role: deep expertise in semantic modeling and data architecture, with the breadth to operate across the full data platform stack at the principal level. You’ll partner closely with our Data Foundations team (which owns ingestion and storage), our Reporting team (which owns the reporting experience), and teams building agentic AI capabilities; ensuring the semantic layer is the performant, scalable, and extensible foundation they all depend on.

What You’ll Do Semantic Model Architecture : Design and evolve the semantic modeling layer that serves as the single source of truth for metrics, dimensions, entities, and business logic across all data products. Define the standards for how semantic models are authored, versioned,