Data Engineer in City of London, London

Are you a Principal Engineer who thrives on building high-scale, external-facing products rather than just internal dashboards? We are partnering with a global leader in scientific software whose enterprise platforms power critical innovations worldwide. They are looking for a Principal Data Engineer who brings sharp technical ownership and great energy to a collaborative team. Role: Principal Data Platform Engineer Location: Woking, UK (Hybrid) Sector: Life Sciences Enterprise SaaS The Reality of the Challenge: This isn't about managing internal data pipelines for a single company. You will be architecting and scaling a core data platform designed to serve over 200 enterprise clients simultaneously. We need someone who understands the high stakes of a true commercial SaaS product lifecycle—where system uptime, rigorous testing, and avoiding outages are everything. What You’ll Do: Build for True Scale: Architect and scale modern data platforms capable of serving 200 external enterprise clients simultaneously without breaking a sweat. Own the Product Lifecycle: Drive engineering excellence from initial requirements and refinement through to heavy testing and production deployment. Drive Team Energy: Bring a proactive, direct, and high-energy approach to the engineering team—helping unblock complex architecture challenges and elevating the people around you. Bridge Software & Data: Treat data infrastructure like a world-class software product, ensuring high availability, observability, and seamless performance. ️ What We Are Looking For: The SaaS Mindset: You must have a proven track record of building data architectures for commercial SaaS products , not just internal company BI. You understand the classic software development lifecycle and how to build to prevent system outages. The Data Stack: Deep, hands-on production experience with Databricks is preferred. (If your background is in Snowflake or BigQuery , that works perfectly too—provided it's paired with AWS). The Cloud Ecosystem: AWS is highly preferred. If your expertise lies in another ecosystem like GCP, you’ll need to have it tightly paired with Databricks experience. The Vibe: You are collaborative, direct, and bring great energy to the room. You enjoy solving tough problems alongside a sharp team. Why This Role? You get to work on a product that makes a genuine global impact, operating with the agility of a focused product team. It’s a high-trust, hybrid environment where your architectural choices directly impact the product's commercial success. If you’re a Principal Engineer who thrives on building robust SaaS products and wants to join a high-energy team, let's connect. Drop me a message with your profile!