William Lumme
Summary
Data Engineer who is passionate about creating high-quality software and delivering it efficiently. Currently looking for a new challenge - new responsibilities, new technologies, or a new business domain.
Experience
Asda
Lead Data Engineer | July 2025 – present
Data Engineer | Nov 2023 – July 2025
- Managed several data products as a technical lead, including Ingestion, Egress, Entity Resolution, Segmentation, Visualisation, as well as the Customer, Transaction, and Product data models.
- Created a template for CI/CD pipelines now used as standard across the department.
- Created library shared by multiple squads for managing database objects declaratively.
- Defined coding standards and ways of working, with emphasis on Software Engineering best practices.
- Strived to improve engineering maturity and culture across the business.
- Collaborated with internal and external stakeholders to understand requirements and prioritise work.
- Developed ETL pipelines with data quality checks, unit/integration tests, and CDC.
- Skills: Azure, Bash, Databricks, Python, Spark, SQL
Microsoft
Data Analyst | Nov 2022 – Nov 2023
- Communicated market insights for the Xbox and Windows Surface EMEA businesses.
- Automated the creation of weekly reports.
- Presented impact of new marketing strategies.
- Skills: Python, SQL
Atos
Cloud Developer | Feb 2021 – Oct 2022
- Developed API integration layer for cloud enterprise systems.
- Developed system for requesting access to virtual machines for internal learning tool.
- Skills: AWS, Azure, GCP, SQL, Terraform
Education
Durham University
MEng in Mechanical Engineering (2:1) | Oct 2016 – June 2020
Certifications
- Microsoft Azure: Data Engineer Associate, Data Scientist Associate, Developer Associate
- Scaled Agile Framework: SAFe 5 Practitioner
Skills
- Programming: Bash, Git, Python, SQL
- Technologies: AWS, Azure, GCP, GitHub, Databricks, Spark, Terraform
- Engineering Practices: Data Modelling, Medallion Architecture, Test-driven Development
- Cultural Practices: Agile, DevOps, Feature-orientated teams, Iterative Development
- Languages: English (native), French (proficient)