Interim Data Engineer (Public Sector, London)

About the role

This interim position supports a public‑sector client in London, working under the direction of a Data Architect. The role runs from ASAP until the end of March 2027 and follows a hybrid model with 2‑3 days on‑site each week.

Key responsibilities

• Design, build and maintain data pipelines and ETL/ELT processes within the agreed architecture.
• Support data ingestion, transformation, cleaning and linking of multiple datasets.
• Develop and maintain APIs and other data integrations.
• Manage and maintain the data platform, including Power BI connections, datasets and refresh processes.
• Implement security controls, resolve technical and data‑quality issues, and contribute to testing and documentation.

Required profile

• Extensive data engineering experience in the public sector.
• Proven ability to work in an Agile delivery model with shared backlogs.
• Experience delivering under a Data Architect’s guidance and collaborating with product managers and stakeholders.

Required skills

• Python with core data‑science libraries (NumPy, pandas, polar).
• SQL and relational database expertise.
• Microsoft Azure cloud data platform.
• Power BI for data connections, datasets and refreshes.