Data Engineer

Join us at Barclays as a Data Engineer, where you will design, build, and operate high-quality, reusable data products that power critical business outcomes. In this role, you will engineer and manage end-to-end data product life cycles—from ingestion and transformation to serving—across pipelines on the data platform. You will ensure that data products are trusted, well-governed, discoverable, and fit for purpose, with clear ownership, defined SLAs, and embedded controls.

• Designing and delivering scalable, production-grade data products aligned to business capabilities and use cases
• Embedding data quality, lineage, observability, and metadata standards to support auditability and regulatory compliance
• Ensuring timely, secure, and governed access to data through well-defined interfaces and contracts
• Collaborating with product owners, architects, and domain teams to align data products to business outcomes and platform strategy
• Supporting the evolution of our data product operating model, enabling reuse, interoperability, and consistent delivery across domains

• Cloud Data Engineering Expertise – Ability to design and build scalable, production-grade data products on AWS (Glue, Athena, S3, Databricks), managing batch pipelines and ETL/ELT processes in alignment with defined SLAs, data contracts, and reuse standards.
• Programming & Query Languages – proficiency in PySpark and SQL to develop robust transformations, automate data product pipelines, and deliver high-quality, consumable data assets.
• Data Pipeline Design & Optimisation – Ability to engineer and optimise end-to-end data product pipelines, ensuring data quality, reliability, lineage, observability, and security are embedded by design to meet regulatory and business requirements.

• Cost‑Aware Engineering & Fin Ops:
  Optimize storage and compute for sustainable scale.
• Infrastructure‑as‑Code & Dev Ops:
  Skills in Gitlab, automated deployments, and environment provisioning.
• Data Visualisation & BI Tools:
  Ability to support reporting engineers with Tableau or similar tools for end‑to‑end delivery.
• Experience working within Barclays Agile ways of working, contributing to iterative delivery of data products aligned to business capabilities and measurable outcomes.
• Agile Tooling:
  Strong experience using Jira to manage backlog, ensure traceability from business capabilities to data products, and support governed delivery.

This role is based in Northampton.