Robert Half Technology are assisting a global Pharmaceutical organisation to recruit a Data Engineer on a contract basis - Hybrid Working - London based - Outside IR35 Deep expertise in Snowflake and DBT to join a mission-driven analytics team. This role is critical to assessing and improving an established Snowflake environment, driving cost optimisation, enhancing operational rigour, and supporting the team's move toward predictive analytics and ML Ops workflows. Role The Data Engineer will own and assess the Snowflake platform, proposing and executing optimisation around performance, cost, scalability, and architecture improvements. Lead DBT development and maintenance, with emphasis on test frameworks, transformation efficiency, and eliminating redundant or resource-heavy flows (e.g., excessive temp table usage). Design, implement, and maintain CI/CD pipelines to automate reliable deployment of data transformations. Provide deep insight into Snowflake infrastructure, including cost and pricing models, performance tuning, and resource governance. Support ML Ops / predictive analytics operationalisation - managing updates, performance monitoring, and change rollout rather than building models from scratch. Be a technical mentor and knowledge resource within the team - promoting best practices and embedding continuous improvement. Communicate effectively with both technical engineers and non-technical stakeholders to drive alignment and adoption of data initiatives. Profile The Data Engineer will have substantial experience as a Data Engineer, especially working with Snowflake in production environments. Advanced experience with DBT, including testing, modular modelling, and optimisation. Track record in building or maintaining CI/CD pipelines for data workflows. Strong familiarity with Snowflake infrastructure, performance tuning, and cost modelling. Excellent communication skills and ability to mentor or teach other engineers. Desirable / Nice to Have Exposure to ML Ops (particularly around operationalising models). Familiarity with data science environments and predictive analytic workflows. Company Global Pharmaceuticals organisation Hybrid working - 1 day per week onsite Outside IR35 Salary & Benefits The salary range/rates of pay is dependent upon your experience, qualifications or training. Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com/gb/en/privacy-notice.