Lead Engineer, Software Engineer, Cloud Engineer - Software

Lead Engineer

We are looking for a Lead Engineer to spearhead one of our GenAI feature team’s developing applications that are used by thousands of colleagues on a daily basis. In this role you will develop and deploy applications to production that help Barclays become more efficient and serve as a subject‑matter expert in Generative AI strategy.

Radbroke or London‑Shoreditch campus

• Develop and deliver high‑quality software solutions using industry‑aligned programming languages, frameworks, and tools.
• Collaborate with product managers, designers, and other engineers to define software requirements and devise solution strategies that align with business objectives.
• Participate in code reviews, promote a culture of code quality, and share knowledge with peers.
• Stay informed of industry technology trends and innovations, actively contributing to the organization’s technology communities.
• Adhere to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions.
• Implement effective unit testing practices to ensure proper code design, readability, and reliability.

• Proficiency in Python and experience with Large Language Models (LLMs).
• Hands‑on experience with AWS services such as Bedrock, Lambda, S3, Lex, and Cloud Watch.
• Experience evaluating LLMs and prompt optimisation.
• Strong communication and collaboration skills, with the ability to work in cross‑functional teams.
• Mentoring and developing team members, identifying talent gaps, and fostering a culture of technical excellence and continuous improvement.
• Experience developing AI applications within a regulated organization (highly valued).
• Knowledge of data engineering concepts and Dev Ops practices including CI/CD (Git Lab Runners, Jenkins), Infrastructure as Code (Terraform, Cloud Formation), Docker, and container deployments to ECS and EKS.

• Advise and influence decision making, contribute to policy development, and take responsibility for operational effectiveness.
• Lead a team of engineers, set objectives, coach employees, and manage performance.
• Demonstrate leadership behaviours:
  Listen, Energise, Align, and Develop.
• Consult on complex issues, provide advice to People Leaders, and support escalated issue resolution.
• Identify and mitigate risk, develop new policies/procedures, and strengthen controls.

Mid‑Senior level

Full‑time

Engineering and Information Technology

Banking and Financial Services

All colleagues will demonstrate Barclays values of Respect, Integrity, Service, Excellence, and Stewardship, and the Barclays Mindset of Empower, Challenge, and Drive.