Senior Python Developer

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 collaborative assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. 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.

Join Barclays as a Senior Python Developer within the Structured Derivatives IT team, working on a platform business that simplifies and automates the pricing and trading of structured products. This role focuses on core engineering capacity, stability, and availability, ensuring scalability challenges are addressed in a timely manner so the platform continues to meet the business’s growth targets. You will contribute to a large-scale distributed system, strengthening platform resilience and performance while delivering features relied upon by traders and clients across the Structured Products landscape.

To be successful in this role you should have:

• Strong experience developing Python web applications using FastAPI or similar modern frameworks and building RESTful APIs.
• Solid knowledge of SQL and relational databases; ability to design, query, and optimize database interactions.
• Deep understanding of Object-Oriented Programming (OOP) principles and common design patterns.
• Experience working with a senior Python engineering tech stack and best practices.
• End-to-end understanding of the application lifecycle, including development, testing, deployment, and maintenance.
• Experience participating in code reviews (both giving and receiving feedback) to ensure code quality and maintainability.

Some other highly valued skills include:

• Experience with Docker for containerization.
• Familiarity with Kubernetes for container orchestration.
• Hands-on experience with GitLab (version control, CI/CD pipelines).

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.

The successful candidate will be based in Prague.