Robert Half have partnered with a London-based pharmaceutical manufacturing organisation who are looking to engage a Senior Data Engineer to play a key role in scaling and maturing their data function.This is an initial 12-month contract, playing a key role in stabilising and improving a currently fragmented data architecture while introducing best-practice engineering and delivery standards. The role requires 1 day per week onsite in London.Responsibilities:Lead the design and implementation of a clear, structured data engineering frameworkBuild, enhance, and maintain data pipelines within SnowflakeDevelop transformations and data models using DBTOrchestrate workflows using Apache AirflowWrite clean, modular Python code for data engineering solutionsImprove pipeline reliability, performance, and observabilityIntroduce and embed CI/CD, testing, and deployment best practices (Azure DevOps)Define and implement clear data domains and schemasAddress ongoing ETL failures and long-running jobsWork closely with technical and non-technical stakeholders in an Agile delivery environmentContribute to roadmap definition and future platform evolution (including potential Databricks adoption)Skills:Strong hands-on experience as a Data Engineer at Senior or Lead levelExtensive experience with Snowflake as a core data platformAdvanced SQL with strong business logic and modelling capabilityExperience with DBT, Airflow, and PythonExperience building modular, scalable solutions within Snowflake