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Date live:
Nov. 14, 2025
Business Area:
Customer Digital and Data
Area of Expertise:
Technology
Reference Code:
JR-0000066533
Contract:
Permanent
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Explore locationWe 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 be developing and deploying applications to production that help Barclays to become more efficient.
As a lead engineer you will be an SME (Subject Matter Expert) within Barclays; helping to shape and guide our Generative AI strategy.
To be successful as a Lead Engineer you should have experience with:
Programming Language - Python.
Working with Large Language Models (LLMs).
Working with AWS services i.e. Bedrock, Lambda, S3, Lex, CloudWatch.
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.
Other highly valued skills include:
Experience developing AI applications within a regulated organisation.
Knowledge of data engineering concepts.
Knowledge of DevOps concepts. CI/CD i.e. Gitlab Runners, Jenkins and Infrastructure as Code i.e. Terraform, CloudFormation.
Docker and container-based deployments to ECS and EKS.
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.
This role will be based out of our Radbroke or London-Shoreditch campus.
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
Assistant Vice President Expectations
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.