> Markdown version of [/jobs/ext/4592606-senior-data-engineer](https://www.wearedevelopers.com/jobs/ext/4592606-senior-data-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Data Engineer - **Company:** AJ Walter Aviation - **Location:** Horsham, United Kingdom - **Experience:** Expert - **Salary:** £45,799 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Cloud Database, Information Engineering, Extract Transform Load (ETL), Data Transformation, Data Systems, SQL Databases, Data Streaming, Workflow Management Systems, Data Analytics, Data Management, Data Pipelines - **Published:** November 6, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5954035915 ## About the Role * Proven experience designing, building and maintaining production-grade data pipelines (ETL/ELT) within modern cloud-based data platforms. * Strong SQL expertise and data modelling capabilities, with hands-on experience using cloud data warehouses and data transformation/orchestration tools. * Demonstrated ability to integrate data from multiple sources to create scalable and reliable data solutions. * Highly analytical, methodical and detail-oriented approach to problem-solving. * Comfortable collaborating with cross-functional engineering teams beyond traditional BI and reporting environments. * Strong communication skills, with the ability to clearly explain technical concepts, data decisions and trade-offs to both technical and non-technical stakeholders. ## Description In this role, you'll build and own the data foundation that AJW's AI products depend on, working within the company's existing cloud data platform. The role closes a gap in dedicated data engineering support for the AI Innovation team, enabling faster and more reliable delivery of AI features. What you'll be doing: * Designing, building and maintaining ETL/ELT pipelines. * Writing and optimising SQL, and maintaining data models and schemas. * Working with the AI Engineer to understand and meet data needs for AI features. * Monitoring data pipeline health and troubleshooting issues. * Liaising with the wider Data & Analytics function on architecture and standards. * Documenting data flows, quality checks and retention practices