Job description
Project overview
Data Warehouse Developer - BigQuery
3-6 month contract | Fully remote | Outside IR35 | Circa £400 per day
We're looking for an experienced Data Warehouse Developer with strong Google BigQuery expertise and a background working with large-scale transactional databases.
You will develop and optimise data warehouse solutions, integrating high volumes of transactional data to support accurate reporting and analytics.
Key responsibilities
Skills and experience
- Develop and maintain data warehouse solutions within Google BigQuery.
- Build and optimise ETL/ELT pipelines that process large volumes of transactional data.
- Write and tune complex SQL queries for performance, scalability and cost efficiency.
- Design data models to support reporting across large, complex datasets.
- Manage incremental data loads, ensuring accuracy and consistency between source systems and the warehouse.
- Investigate data quality issues and troubleshoot processing bottlenecks.
- Work with technical teams and business stakeholders to understand requirements and deliver solutions.
- Strong hands-on experience with Google BigQuery.
- Advanced SQL skills, including query optimisation across large datasets.
- Experience working with large-scale, high-volume transactional databases.
- A solid background in data warehouse development and dimensional modelling.
- Experience building ETL/ELT processes and integrating transactional source systems.
- Understanding of incremental loading, change data capture and data reconciliation.
- Strong problem-solving skills and the ability to work independently in a remote environment.
Project details
- Start: flexible
- Location: United Kingdom, GB
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