Principal Software Engineer needed to lead and shape an enterprise-scale AWS Data Lake andamp; Product Analytics platform for a global events company. This is a high-impact role combining hands-on technical expertise with strategic leadership. You''ll: Architect and deliver scalable, secure data platforms (Data Lakes, Data Mesh, pipelines) Lead cross-team, cross-department initiatives, collaborating with engineering, product, and business stakeholders Apply AI/LLMs to accelerate data engineering and data product innovation Ensure data governance, metadata, and regulatory compliance across all solutions Mentor engineering teams and drive best practices for cloud-native, automated pipelines Must-have: Strong AWS experience, Python, SQL, PySpark, CI/CD, Databricks Proven ability to combine hands-on implementation with enterprise-level architecture Leadership experience managing multiple teams (on and offshore), influencing across departments, and communicating clearly with stakeholders Nice-to-have: Product analytics tools (Mixpanel, Power BI, Athena) BI reporting and data analysis experience Multi-cloud exposure or polyglot engineering background Hybrid role. One day a week in Richmond upon Thames offices required.