Technology Developer Summer Internship Programme 2026 London

Explore the world of Barclays as a Summer Intern

Spend 10 weeks diving into real projects, gaining hands-on experience, and shaping your future. You’ll receive full support, take on meaningful responsibilities, and build lasting connections—all while discovering what makes our culture unique.

If you're in your penultimate year and ready to grow, learn, and make an impact, this is your opportunity to belong and thrive.

Why the Technology Developer Internship programme?

Banking is technology. So, as part of one of our Technology teams, you’ll be right at the heart of what we do – because every part of our business relies on tech. It helps us keep transactions moving. It manages critical data. It supports and protects 48 million customers and clients worldwide. All of which takes a lot of forward thinking. By constantly developing and maintaining our digital infrastructure worldwide, we harness the power of technology to support the economy and make a difference to people’s lives.​

As part of Technology, you’ll join a world where your work delivers tangible outcomes for all kinds of people and organisations every day.At our purpose-built tech campuses across the world, we’re shaping the future of financial technology by creating a culture where tech people can make their voices heard and do their best work. You’ll build your career in an environment where we’re advancing machine learning, leveraging Gen AI, and harnessing FinTech. All while working alongside, and learning from, industry experts.

To be considered for this opportunity,you must be in your penultimate or final year of university.

You’ll also bring a strong foundation in computer science (or a related field), with a passion for programming languages, development tools, and systems architecture. You’re someone who thrives on solving complex problems and designing smart, scalable solutions. With a natural ability to bridge the gap between business needs and technology, you’re excited to turn ideas into impactful innovations — and help shape the future of how we work.

Applicants for this position will need the legal right to work in the UK on a full time basis from June 2026 to August 2026.This is not a role which we can offer sponsorship for at this time.

If you secure a place on our Internship Programme, and this subsequently leads to you receiving an offer for our Graduate Programme, the 2027 Graduate Programme is not one which we can offer sponsorship for at this time. Accordingly, to participate in the Graduate Programme, you would require having the legal right to work full time for the duration of that Programme (i.e. August 2027 to August 2029).

Working In London

If you love the buzz of city life, our global HQ is the place to be. Our London hub is in Canary Wharf, at the heart of London’s financial district. Here, you won’t just be perfectly placed to explore the nation’s capital; you’ll be in a place where you can explore all the many functions and opportunities of a global financial giant.

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

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.
• 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.

Analyst Expectations

• To perform prescribed activities in a timely manner and to a high standard consistently driving continuous improvement.
• Requires in-depth technical knowledge and experience in their assigned area of expertise
• Thorough understanding of the underlying principles and concepts within the area of expertise
• They lead and supervise a team, guiding and supporting professional development, allocating work requirements and coordinating team resources.
• If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L – Listen and be authentic, E – Energise and inspire, A – Align across the enterprise, D – Develop others.
• OR for an individual contributor, they develop technical expertise in work area, acting as an advisor where appropriate.
• Will have an impact on the work of related teams within the area.
• Partner with other functions and business areas.
• Takes responsibility for end results of a team’s operational processing and activities.
• Escalate breaches of policies / procedure appropriately.
• Take responsibility for embedding new policies/ procedures adopted due to risk mitigation.
• Advise and influence decision making within own area of expertise.
• Take ownership for managing risk and strengthening controls in relation to the work you own or contribute to. Deliver your work and areas of responsibility in line with relevant rules, regulation and codes of conduct.
• Maintain and continually build an understanding of how own sub-function integrates with function, alongside knowledge of the organisations products, services and processes within the function.
• Demonstrate understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function.
• Make evaluative judgements based on the analysis of factual information, paying attention to detail.
• Resolve problems by identifying and selecting solutions through the application of acquired technical experience and will be guided by precedents.
• Guide and persuade team members and communicate complex / sensitive information.
• Act as contact point for stakeholders outside of the immediate function, while building a network of contacts outside team and external to the organisation.

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.