Barclays
Platform/Data Principal Engineer
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Job Description
Purpose of the role
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.
Accountabilities
- 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.
Vice President Expectations
To contribute or set strategy, drive requirements and make recommendations for change. Plan resources, budgets, and policies; manage and maintain policies/ processes; deliver continuous improvements and escalate breaches of policies/procedures.
- If managing a team, they define jobs and responsibilities, planning for the department’s future needs and operations, counselling employees on performance and contributing to employee pay decisions/changes. They may also lead a number of specialists to influence the operations of a department, in alignment with strategic as well as tactical priorities, while balancing short and long term goals and ensuring that budgets and schedules meet corporate requirements.
- If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are:
- L – Listen and be authentic
- E – Energise and inspire
- A – Align across the enterprise
- D – Develop others
OR for an individual contributor, they will be a subject matter expert within own discipline and will guide technical direction. They will lead collaborative, multi-year assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will train, guide and coach less experienced specialists and provide information affecting long term profits, organisational risks and strategic decisions.
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- Advise key stakeholders, including functional leadership teams and senior management on functional and cross functional areas of impact and alignment.
- Manage and mitigate risks through assessment, in support of the control and governance agenda.
- Demonstrate leadership and accountability for managing risk and strengthening controls in relation to the work your team does.
- Demonstrate comprehensive understanding of the organisation functions to contribute to achieving the goals of the business.
- Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategies.
- Create solutions based on sophisticated analytical thought comparing and selecting complex alternatives. In-depth analysis with interpretative thinking will be required to define problems and develop innovative solutions.
- Adopt and include the outcomes of extensive research in problem solving processes.
- Seek out, build and maintain trusting relationships and partnerships with internal and external stakeholders in order to accomplish key business objectives, using influencing and negotiating skills to achieve outcomes.
All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship – our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave.
Join Barclays as a Platform/Data Principal Engineer
Play a pivotal role in shaping the future of our engineering and data platforms. You will drive technical strategy, architect scalable and resilient solutions, and enable engineering teams to deliver high-quality products at pace through modern platform capabilities, automation, and engineering excellence.
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To be successful as a Platform/Data Principal Engineer, you should have experience with:
- Deep software engineering expertise, with proven experience designing and building complex distributed systems, engineering platforms, or large-scale backend services – delivering robust, high-performing solutions at scale
- Strong platform engineering and architecture experience, including cloud-native design, infrastructure as code, automation, CI/CD, secure-by-design patterns, scalability, and production-grade engineering practices – building secure, scalable, and efficient platforms that accelerate delivery
- Principal-level technical leadership and stakeholder influence, with the ability to set technical direction, define standards and patterns, solve complex cross-platform challenges, communicate clearly with senior technical and non-technical stakeholders, and influence outcomes across teams without relying on formal authority – driving alignment and technical excellence across the organisation
Some other highly valued skills may include:
- Experience operating distributed platforms in production, with strong focus on reliability, resilience, observability, incident prevention, recovery, and continuous improvement.
- Experience building self-healing and self-service platform capabilities that enable engineering teams to onboard, deploy, monitor, troubleshoot and operate with minimal manual intervention.
- Exposure to data streaming, data platform, or event-driven technologies such as Kafka, Flink, schema registry, connectors, or large-scale data movement platforms.
You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen strategic thinking and digital and technology, as well as job-specific technical skills.
This role is based in London
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