Data Engineer
Barclays · Posted Oct 21
Banking, credit card, corporate, investment banking, and wealth management services
Get a personal compatibility score
Add a resume for personal matches
About the role
Barclays Merchant Services supports critical payment systems that power merchant transactions. The Data Engineer role focuses on data solution design, data pipelines, warehouses, and lakes, and works with BA, SA, engineering teams and stakeholders to improve system performance, resilience, and reliability. The role also covers data analytics and reporting, AI and automation, and embedding performance and risk controls throughout delivery.
What you will do
- Embark on a transformative journey as part of the Data Engineer, where you’ll play a pivotal role in ensuring the resilience, scalability, and reliability of critical payment systems within the Merchant Services domain.
- You will be a key contributor championing quality and performance for systems that power merchant transactions, focusing on driving improvements in system stability, throughput, efficiency, and control.
- Working closely with BA, SA, Engineering teams and stakeholders across Teams, you will help deliver high-performing solutions through agile delivery models.
- You will collaborate to understand system benchmarks, identify performance bottlenecks, and lead performance engineering initiatives while interfacing with technology partners to ensure optimal system behavior under varying load conditions.
- Leading the ongoing drive to enhance platform performance and reliability, you will champion a data-driven and collaborative approach, ensuring that performance considerations are embedded throughout the software development lifecycle.
- Additionally, ensuring compliance with performance standards, risk controls, and service-level expectations will be a key responsibility.
- To build and maintain the systems that collect, store, process, and analyse data, such as data pipelines, data warehouses and data lakes to ensure that all data is accurate, accessible, and secure.
- Build and maintenance of data architectures pipelines that enable the transfer and processing of durable, complete and consistent data.
- Design and implementation of data warehoused and data lakes that manage the appropriate data volumes and velocity and adhere to the required security measures.
- Development of processing and analysis algorithms fit for the intended data complexity and volumes.
- Collaboration with data scientist to build and deploy machine learning models.
Skills used in this role
What the employer is looking for
- Experience in solution design and AI implementation, translating business requirements into scalable data and technology solutions using AI, automation and cloud technologies.
- Strong understanding of Data Product operating models and modern data strategies to enable scalable, trusted, and reusable data assets.
- Strong understanding of data architecture and end-to-end data solution design.
- Experience in data analytics and reporting, transforming complex datasets into actionable insights to support business decision-making.
- Strong stakeholder engagement and collaboration skills across business and technology teams.
- Experience in developing data visualisations and dashboards using Power BI and Tableau.
- Experience in technical to business documentations and translations.
- Advanced proficiency in Excel and experience using JIRA.
Preferred qualifications
- Experience with SQL and data engineering platforms, enabling effective collaboration with technical teams and informed decision-making on data solutions.
- Experience in project or product management across the full lifecycle, including requirements gathering, prioritisation, planning, delivery and value realisation.
- Knowledge of Teradata and data warehouse technologies.
- Experience within Financial Services or a consulting environment, with an understanding of complex stakeholder landscapes, regulatory requirements and change delivery .
Benefits and support
- Compensation and benefits are detailed in the job posting
About Barclays
Barclays is a British multinational universal bank that provides consumer, corporate, and investment banking, as well as wealth management services. Tracing its origins back to 1690 in London, the institution operates globally to serve millions of retail and institutional clients. The bank leverages cutting-edge technology and digital platforms to drive operational efficiency across its international network.
- Industry
- Banking
- Company size
- 93000+ employees
- Founded
- 1690
- Location
- London, United Kingdom
- Funding stage
- Public Company
Leadership
Group Chief Executive
Group Finance Director
Group Chief Operating Officer
Recent coverage
The Guardian
Barclays to cut 5,000 jobs as AI replaces roles2026-10-22
Investing.com
Barclays Q3 2026 slides show mixed results, on track for targets2026-10-22
Euronews
Barclays cuts 5,000 jobs as net profit grows 13% in Q32026-10-22