Senior Data Engineer – Snowflake Platform Build Location: London (2 days a week on site) Contract: 6 month sign on (18–24 month project) Interview process: 2 stages twentyAI's customer is building a next version of their data platform, with Snowflake at the core. The PoC is in place — now they need someone who’s been through this before to lead the implementation and help scale the platform across the business. The project involves migrating our current on-prem Data Lake to Snowflake, while keeping storage on a private cloud. You’ll be setting the foundations: building out ETL pipelines, establishing best practices, and working closely with teams across trading, finance, compliance, and ops. Profile: • Strong experience implementing Snowflake in a lead or senior capacity • Solid background in Python, PySpark, and Spark • Hands-on with platform setup – ideally with a DevOps-first approach • Exposure to AWS environments • Experience working with data from trading platforms or within commodities, banking, or financial services Tech environment: • Primary Platform: Snowflake • Other Tech: DBT, Databricks, Spark, PySpark, Python • Cloud: AWS (preferred), Private Cloud storage • Data Sources: Financial/trading systems