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# Senior Data Consultant

- **Company:** Harnham
- **Location:** Greater London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Data Analysis, Application Integration Architecture, Big Data, BigQuery, Customer Data Management, Data Files, Data Transformation, Data Mining, Data Warehousing, Python (Programming Language), Machine Learning, NumPy, Data Streaming, Snowflake, Data Build Tool (dbt), Pandas, Data Analytics
- **Published:** September 10, 2026
- **Apply:** https://www.collegerecruiter.com/job/2840603616-senior-data-consultant

## About the Role

1. Strong proficiency in SQL with the ability to write complex queries, optimise performance, and manipulate large datasets efficiently. This includes expertise in database management, data extraction, transformation, and analysis, ensuring seamless data workflows for all stakeholders.
 2. Working with modern cloud data warehouses such as Snowflake, BigQuery, or Redshift. You should be comfortable creating robust data models, building scalable pipelines, and ensuring data quality within these cloud environments.
 3. Experience with dbt (Data Build Tool), particularly in managing and automating data transformation.
 4. Solid understanding of Python, especially in the context of automating data processes, integrating APIs, and implementing machine learning models to enhance data analysis capabilities. Experience with Python libraries like Pandas or NumPy is a plus.
 5. Practical experience working with key financial metrics, including revenue, retention, churn, and customer lifetime value, along with a deep understanding of how to extract actionable insights from these data sets to drive business decisions.
 6. Demonstrated ability to integrate diverse data sources seamlessly, ensuring smooth data flow across systems, and combining financial, operational, and customer data to create a unified view for accurate reporting and analysis.

## Description

1. Build a single source of truth for clients by structuring and modeling data.
 2. Develop scalable data pipelines integrating financial, customer, CRM, ERP, and marketing data.
 3. Deliver end-to-end data modelling projects, connecting multiple sources and creating metrics/KPIs.
 4. Work primarily with SQL, dbt, and cloud data warehouses (Snowflake, BigQuery, Redshift).


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