Skip to main content

Lead Engineer

London, United Kingdom; Knutsford, United Kingdom

Apply for job

Key information

Date live: 02/04/2025

Business Area: Customer Digital and Data

Area of Expertise: Technology

Contract: Permanent

Reference Code: JR-0000012496

It’s happening at Barclays.

Be a part of a place where challenges are measured in billions, qubits and nanoseconds. Build your career in an environment where we’re advancing machine learning, leveraging blockchains, and harnessing FinTech. Working in Barclays technology, you’ll reimagine possibilities: learning and innovating to solve the challenges ahead, delivering for millions of customers.
We are shaping the future of financial technology.
Why not join us and make it happen here?

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 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
  • Mentor and develop 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  lead and manage engineering teams, providing technical guidance, mentorship, and support to ensure the delivery of high-quality software solutions, driving technical excellence, fostering a culture of innovation, and collaborating with cross-functional teams to align technical decisions with business objectives. 

Accountabilities

  • Lead engineering teams effectively, fostering a collaborative and high-performance culture to achieve project goals and meet organizational objectives.
  • Oversee timelines, team allocation, risk management and task prioritization to ensure the successful delivery of solutions within scope, time, and budget.
  • Mentor and support team members' professional growth, conduct performance reviews, provide actionable feedback, and identify opportunities for improvement.
  • Evaluation and enhancement of engineering processes, tools, and methodologies to increase efficiency, streamline workflows, and optimize team productivity.
  • Collaboration with business partners, product managers, designers, and other stakeholders to translate business requirements into technical solutions and ensure a cohesive approach to product development.
  • Enforcement of technology standards, facilitate peer reviews, and implement robust testing practices to ensure the delivery of high-quality solutions.

Assistant Vice President Expectations

  • Consult on complex issues; providing advice to People Leaders to support the resolution of escalated issues.
  • Identify ways to mitigate risk and developing new policies/procedures in support of the control and governance agenda.
  • Take ownership for managing risk and strengthening controls in relation to the work done.
  • Perform work that is closely related to that of other areas, which requires understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function.
  • Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategy.
  • Engage in complex analysis of data from multiple sources of information, internal and external sources such as procedures and practises (in other areas, teams, companies, etc).to solve problems creatively and effectively.
  • Communicate complex information. 'Complex' information could include sensitive information or information that is difficult to communicate because of its content or its audience.
  • Influence or convince stakeholders to achieve outcomes.

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.

Barclays welcomes applications from all candidates and is committed to ensuring reasonable adjustments (accommodations) are put in place to allow for a fair and inclusive recruitment process. For more information and how to request one, please review Adjustments to the recruitment process.

We’re a global, vital and highly respected financial organisation with an inspiring Purpose. Operating in 39 countries and employing around 100,000 people across the world, we help communities, individuals and businesses thrive. And we’ve created financial solutions and technology that the world now takes for granted. A career with us can offer incredible variety, depth and breadth of experience, and the chance to learn from some of the best minds in technology and finance.

To find out more about Barclays' strategy please click here.

Barclays offers a diverse, inclusive and engaged culture. A place where people can bring their whole selves to work and be respected for who they are, valued for what they do and celebrated for their contribution to our business and our community.

We are an equal opportunity employer and opposed to discrimination on any grounds. It is the policy of Barclays to ensure equal employment opportunity without discrimination or harassment on the basis of race, colour, creed, religion, national origin, alienage or citizenship status, age, sex, sexual orientation, gender identity or expression, marital or domestic/civil partnership status, disability, veteran status, genetic information, or any other basis protected by law.

Barclays is required by law to confirm that you have the Legal Right to Work in any role that you apply for. If you currently hold a work visa sponsored by Barclays, or you would require sponsorship from Barclays, you must declare this as part of your application. Sponsored visas are role and entity specific and any changes must be reviewed. It is important that you ensure you are working on the correct visa at all times. Failure to accurately disclose your visa status or Legal Right to Work may result in your application or any employment offer being withdrawn at any time.

Who succeeds in
Tech at Barclays?

For a career with us, you need to be prepared to take big steps forward, curious to face the challenges ahead, and driven to focus on the outcomes. We need people with the Barclays mindset to make it happen here.

Qualities we look for:motivator, supporter, connector, driver, communicator, transformer, maker, observer

What you'll get in return

Competitive holiday allowance
Life assurance
Private medical care
Pension contribution

Our technology

Supporting our 48 million customers and clients worldwide takes a lot of forward thinking. It means harnessing technology to support the economy. It means making a difference to people’s lives. And it requires the maintenance and development of a global, technological infrastructure. At Barclays, technology helps us keep transactions moving, manages data, and protects our customers. Join a world where your work creates unique moments of impact. Make it happen here.

This is Barclays London

Our global HQ is in Canary Wharf, at the heart of London’s financial district. There are over 10,000 colleagues here – a hugely diverse workforce made up of the world’s best financial and tech talent. If you love the buzz of city life, this is the place to be.

Cycle or run to work? We’ve got everything you need – from cycle hire and parking areas to new showering and changing facilities.

CoSpace is our drop-in co-working space, where networks are built, problems are solved collectively and our community is strengthened.

Our Wellness Suite includes a well-equipped gym and exercise studios, and provides personal training sessions and massage therapy.

Our new trading floors enhance communication, integrate sustainability, and support health and wellbeing through innovative design and British-sourced furniture.

This is Barclays London

Our global HQ is in Canary Wharf, at the heart of London’s financial district. There are over 10,000 colleagues here – a hugely diverse workforce made up of the world’s best financial and tech talent. If you love the buzz of city life, this is the place to be.

Supporting active commuters

Cycle or run to work? We’ve got everything you need – from cycle hire and parking areas to new showering and changing facilities.

Time to connect

CoSpace is our drop-in co-working space, where networks are built, problems are solved collectively and our community is strengthened.

Wellbeing in focus

Our Wellness Suite includes a well-equipped gym and exercise studios, and provides personal training sessions and massage therapy.

Advanced trading floors

Our new trading floors enhance communication, integrate sustainability, and support health and wellbeing through innovative design and British-sourced furniture.

Barclays

Working flexibly

We’re committed to providing a supportive and inclusive culture and environment for you to work in. This environment recognises and supports your personal needs, alongside the professional needs of our business. If you'd like to explore flexible working arrangements, please discuss this with the hiring manager. Your request will be reviewed in-line with the requirements of the role/business needs of the team.

Hybrid working

We have a structured approach to hybrid working, where colleagues work at an onsite location on fixed, ‘anchor’, days, as set by the business area. Please discuss the working pattern requirements for the role you are applying for with the hiring manager. Please note that working arrangements may be subject to change on reasonable notice to ensure we meet the needs of our business.

Barclays is built on an international scale.

Our geographic reach, our wide variety of functions, businesses, roles and locations reflect the rich diversity of our worldwide customer base. All of which means we offer incredible variety, depth and breadth of experience. And the chance to learn from a globally diverse mix of colleagues, including some of the very best minds in banking, finance, technology and business. Throughout, we’ll encourage you to embrace mobility, exploring every part of our operations as you build your career.

Find more information

Related content

Related Jobs


Java Server-Side Developer

Knutsford (United Kingdom)

03 Apr
Senior Software Engineer IAM

Glasgow (United Kingdom), Knutsford (United Kingdom)

15 Aug
Cyber Threat Intelligence Analyst

Knutsford (United Kingdom), Glasgow (United Kingdom)

03 Apr
GFED and Group Controls CISO

Whippany (United States), London (United Kingdom)

03 Apr
Android Developer

Knutsford (United Kingdom)

02 Apr
Azure Platform Engineer

Knutsford (United Kingdom), Glasgow (United Kingdom)

01 Apr
Lead Engineer

London (United Kingdom), Knutsford (United Kingdom)

02 Apr
Azure Platform Engineer

Knutsford (United Kingdom)

01 Apr
Synapse Core Platform Technical Lead

London (United Kingdom)

01 Apr
Network Engineer

Knutsford (United Kingdom)

01 Apr