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Barclays Logo Barclays · IT - Software Development

Full Stack Engineer

United Kingdom, Knutsford · Job Posted July 04, 2026
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Job Description

Embark on a transformative journey as a Full Stack Engineer, At Barclays, our vision is clear –To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues.

Job Responsibility

  • 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

Requirements

  • Ample Python programming skills with experience building APIs, microservices architecture, and data processing pipelines
  • Familiarity with Python frameworks such as Flask, Django, or FastAPI for creating robust backend services
  • Experience deploying and managing applications in cloud environments (AWS, Azure, or GCP), understanding of infrastructure as code, containerisation (Docker), and orchestration tools (Kubernetes)
  • Ability to identify and resolve performance bottlenecks across the entire application stack
  • Understand and implement necessary tools for monitoring and observing systems end-to-end
  • Understanding of build pipelines, automated testing, and deployment processes for full stack applications
  • Experience with CI/CD tools and practices
  • Understanding of JavaScript fundamentals, ES6+, closures, promises, async/await, and functional programming concepts
  • Familiarity working with the latest AI technologies: Gen AI chatbots and AI agents, MCP
  • Experience with testing methodologies and tools across the stack (pytest, unittest for Python) and ability to implement comprehensive test coverage

Nice to have

  • Understanding of JavaScript fundamentals, ES6+, closures, promises, async/await, and functional programming concepts
  • Familiarity working with the latest AI technologies: Gen AI chatbots and AI agents, MCP
  • Experience with testing methodologies and tools across the stack (pytest, unittest for Python) and ability to implement comprehensive test coverage

What we offer

  • Competitive holiday allowance
  • Life assurance
  • Private medical care
  • Pension contribution
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