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# Senior Data Warehouse Engineer

- **Company:** Holland & Barrett
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Data Analysis, Big Data, Clickstream, Cloud Database, Extract Transform Load (ETL), Data Visualization, Data Warehousing, Linux, Python (Programming Language), NoSQL, Software Engineering, SQL Databases, Systems Integration, Sql Optimization, Git, Information Technology, Data Analytics, Functional Programming, Api Gateway, Serverless Computing, Docker, Amazon Redshift
- **Published:** September 10, 2026
- **Apply:** https://www.collegerecruiter.com/job/2840587419-senior-data-warehouse-engineer

## About the Role

* Bachelor's degree in Software Engineering, Computer Science, or related field
 * 3-4 years' experience transforming large datasets into analytics and BI solutions (e-commerce experience is a plus)
 * Highly advanced SQL skills
 * Strong experience with cloud data warehouses (AWS Redshift preferred)
 * Experience with at least one programming language (Python preferred)
 * A broad technical skillset and eagerness to learn - from Git and Linux to APIs, Docker, NoSQL and serverless tools
 * Bonus: experience in data visualisation, analytics or serverless data stacks (Lambda, Kinesis, API Gateway)
 * Entrepreneurial mindset, strong communication skills, and a drive to deliver in a fast-paced environment

## Description

As a Senior Data Warehousing Engineer, you'll play a key role in building and scaling our data environment. You will integrate raw data sources - such as sales, supply chain and clickstream data - and design data models that enable BI reporting, customer segmentation and content personalisation. Your work will directly influence how H&B delivers for our customers. You'll work with technologies including Amazon Redshift, Matillion and the AWS ecosystem, and you'll be hands-on with SQL, ELT workflows and data modelling.

This is an exciting opportunity to make a big impact in a high-growth business, while collaborating across product, tech and business teams.

What You'll Be Doing

 * Integrating raw data sources into the H&B data environment
 * Building and scaling our data warehouse in Amazon Redshift
 * Designing, building and maintaining ELT workflows
 * Developing data cubes and applications to support BI, marketing and analytics
 * Writing high-quality SQL and ensuring system health across our data stack
 * Partnering with product, tech and business teams to deliver impactful projects
 * Contributing to the vision, culture and strategy of the Data & Analytics organisation


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