Data Engineer

Senior Data Engineer (SNOWFLAKE / PYTHON) – Contract (Outside IR35) Location: London (2 days onsite per week) Contract: Outside IR35 Start: ASAP Interview process: Fast (interviews taking place Monday) Overview We are looking for an experienced Senior Data Engineer to join a fast-moving engagement and play a key role in designing and delivering the first version of a modern Data Lakehouse. This is a hands-on contract role with real ownership, covering Snowflake architecture, data modelling, pipeline development, and CI/CD. You’ll work closely with senior stakeholders and be trusted to shape core data foundations from day one. Key Responsibilities • Define and own the Snowflake-based data architecture and core data models • Build foundational ETL / ELT pipelines ingesting data from internal systems and third-party sources • Design and implement reliable, scalable data pipelines using Python and SQL • Establish and maintain CI/CD workflows for data engineering and analytics assets • Deliver v1 of a Data Lakehouse to support BI, reporting, and compliance analytics • Ensure strong practices around data quality, reliability, and performance • Collaborate closely with technical and business stakeholders to translate requirements into robust data solutions Required Skills & Experience • Proven experience as a Senior Data Engineer in production environments • Strong hands-on Snowflake experience (architecture, modelling, pipelines) • (please be clear on years and/or projects) • Strong Python and SQL • Experience with orchestration and transformation frameworks such as Airflow, dbt, Dagster, or similar • Experience designing and delivering data platforms or lakehouse-style architectures • Solid understanding of CI/CD for data engineering (e.g. GitHub Actions, Docker, IaC) • Comfortable working in fast-paced environments with a high degree of ownership Nice to Have • Experience in regulated or compliance-heavy environments • Exposure to BI and analytics use cases • Cloud experience (AWS and/or Azure) Logistics • Outside IR35 • 2 days onsite in London, remainder remote • ASAP start required • Interviews are moving quickly, with availability for Monday interviews preferred Please do send across an up to date CV to eobiechefu@welovesalt.com