Back-End Engineer

Barclays Bank Plc; Sworton Heath; On-site; GBP 50,000 - 70,000; Full time

Job summary

A major financial institution is seeking a Backend Engineer to develop cutting-edge AI platforms. This role involves collaborating with engineers to design high-performance backend systems and requires proficiency in Python, AWS, and containerization tools. The successful applicant will contribute to enhancing the bank’s AI capabilities and ensure software solutions are secure and efficient.

Qualifications

• Experience with backend development using Python.
• Proven AWS implementation experience.
• Proficiency with software development lifecycle using Git, Agile, and automated testing.
• Experience with containerization and CI/CD pipelines.

Responsibilities

• Design, develop and improve software using various engineering methodologies.
• Develop high‑quality software solutions ensuring code is scalable and optimized.
• Collaborate with product managers, designers, and engineers to define requirements.
• Contribute to technology communities and stay informed of technology trends.
• Adhere to secure coding practices and implement unit testing.

Skills

Backend development using Python

AWS implementation

Git, Agile, automated testing

Docker/Kubernetes containerization

Infrastructure as code (Terraform, CloudFormation)

Experience with AI/ML frameworks

Education

Bachelor's in Computer Science or equivalent experience

Job description

Backend Engineer – Chief Technology Office

Join us as a Backend Engineer in the Chief Technology Office at Barclays where you'll be developing cutting‑edge AI platforms using state‑of‑the‑art technologies. As part of our Chief Technology Office, you'll work on implementing the latest AI/ML solutions for our bank. In this role, you'll collaborate with talented engineers to design and implement high‑performance backend systems that enhance our AI platforms, driving industry best practices while contributing to Barclays’ commitment to embracing AI to make Barclays simpler, better, and more balanced.

To be successful as a Backend Engineer, you should have experience with:

• Ample technical skills in backend development using Python.
• Proven AWS implementation experience.
• Proficiency with software development lifecycle using Git, Agile, and automated testing.
• Demonstrable experience with Docker/Kubernetes containerization and CI/CD pipelines.

Some other highly valued skills may include:

• Hands‑on, curious Engineer with good collaborative skills.
• Infrastructure as code knowledge (Terraform, CloudFormation).
• Experience developing or integrating AI/ML frameworks, e.g. LangChain.
• Bachelor's in Computer Science, related fields, or equivalent experience.

Responsibilities

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, participation in code reviews, and promotion of 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.

Location: This role will be based in either our Knutsford or Glasgow office.