Senior Python Developer

Join us as a Senior Python Developer within the Group Economic Crime Technology division, where you will play a key role in building and enhancing technology solutions that underpin Financial Crime prevention and Wholesale Client Onboarding processes.

In this role, you will design, develop, and optimise Python-based services, tooling, and data pipelines that support regulatory, screening, onboarding, and payments‑related controls across a complex technology landscape. You will collaborate closely with cross‑functional engineering and change‑delivery teams, ensuring that developed solutions meet stringent governance, quality, and data‑integrity standards aligned with Barclays’ internal control frameworks.

You will work with modern engineering practices—including CI/CD automation, secure coding standards, Infrastructure provisioning and automated testing—while integrating your solutions with platforms such as Jira, Gitlab and broader Group Economic Crime data and workflow systems.

As a senior member of the team, you will also contribute to solution design discussions, mentor junior engineers, and help drive continuous improvement across our Financial Crime Technology estate.

To be successful in this role, you should have:

• Strong development and debugging skills in Python.
• Provision and manage infrastructure (cloud/on-prem) using tools like Chef/Ansible.
• Understanding on Big data eco-system like Spark and good with NoSQL data bases like Hive, Impala and NoSQL querying.

Some other highly valued skill include:

• Design, build and deploy automated builds ensuring scalability & reliability at scale.
• Integrate security best practices and site reliability concepts into pipelines and systems.
• Understanding of Distributed systems and their behaviours.

You may be assessed on key critical skills relevant for success in role, such as risk and controls, communication skills and interaction with a diverse range of stakeholders, as well as job-specific technical skills .

The role is based in our world class campus in Glasgow.

Purpose of the role

To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. 

Accountabilities

• Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.
• Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.
• Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing.
• Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth.
• Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions.
• Implementation of effective unit testing practices to ensure proper code design, readability, and reliability.

Assistant Vice President Expectations

• To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions/ business divisions.
• Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function. Set objectives and coach employees in pursuit of those objectives, appraisal of performance relative to objectives and determination of reward outcomes
• 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 lead collaborative assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will identify new directions for assignments and/ or projects, identifying a combination of cross functional methodologies or practices to meet required outcomes.
• Consult on complex issues; providing advice to People Leaders to support the resolution of escalated issues.
• Identify ways to mitigate risk and developing new policies/procedures in support of the control and governance agenda.
• Take ownership for managing risk and strengthening controls in relation to the work done.
• Perform work that is closely related to that of other areas, which requires understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function.
• Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategy.
• Engage in complex analysis of data from multiple sources of information, internal and external sources such as procedures and practises (in other areas, teams, companies, etc).to solve problems creatively and effectively.
• Communicate complex information. 'Complex' information could include sensitive information or information that is difficult to communicate because of its content or its audience.
• Influence or convince stakeholders 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.