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Python Developer

Job at Barclays in Greater London

Join Barclays as a Python Developer and help transform our legal document generation and storage infrastructure to support greater scale and multi-vendor integration for our cross-asset structured products business. In this Front Office role, youll work closely with the Equity Structured Derivatives desk and partner with other teams to deliver high-impact solutions that improve automation, streamline workflows, and bring in-house key processes such as SEC Shelf document generation. Youll be joining a team with strong senior expertise, contributing as a junior developer on business-critical initiatives that modernize legal document handling through new methodologies, containerization, and process restructuring. Apart from strong Python skills, familiarity with Java and JavaScript is a plus, but above all, we value a proactive mindset and eagerness to learn.

To be successful in this role, you will need the following:

Proficiency in Python syntax, data structures, and control flow, with a strong understanding of object-oriented programming principles. Ability to write clean, readable, and maintainable Python code.Experience in implementing unit tests using frameworks such as pytest and unittest, with a solid understanding of test-driven development principles. Knowledge of mocking techniques and test fixtures to create reliable, isolated, and maintainable test environments.Strong written and verbal communication skills, with the ability to collaborate effectively in team environments. Proactive in asking questions and seeking clarification to ensure alignment and shared understanding.

Other highly valued skills include:

Basic understanding of SQL queries and core database operations, with hands-on experience using Python database libraries such as SQLAlchemy and psycopg2. Understanding of fundamental concepts of database schema design.Basic understanding of the Java programming language, including familiarity with its syntax and core object-oriented programming principles.Familiarity with JavaScript syntax and foundational concepts, with experience in core web development principles. Understanding of how Python and JavaScript interact within web applications.Basic familiarity with Docker or similar containerization technologies, including understanding of container concepts and benefits. Experience with containerized application development or deployment.

You may be assessed on the key critical skills relevant for success in the 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 1CP, London.

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 organizations 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.

Analyst Expectations

Will have an impact on the work of related teams within the area.Partner with other functions and business areas.Take responsibility for end results of a teams operational processing and activities.Escalate breaches of policies/procedures appropriately.Take responsibility for embedding new policies/procedures adopted due to risk mitigation.Advise and influence decision making within own area of expertise.Take ownership for managing risk and strengthening controls in relation to the work you own or contribute to. Deliver your workand areas of responsibility in line with relevant rules, regulation and codes of conduct.Maintain and continually build an understanding of how own sub-function integrates with function, alongside knowledge of the organisations products, services and processes within the function.Demonstrate understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function.Make evaluative judgements based on the analysis of factual information, paying attention to detail.Resolve problems by identifying and selecting solutions through the application of acquired technical experience and will be guided by precedents.Guide and persuade team members and communicate complex/sensitive information.Act as contact point for stakeholders outside of the immediate function, while building a network of contacts outside team and external to the organisation.

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.

ID 1181039 Sectors:
in London, Greater London, England

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