Lead Java Developer – Integration Services

3761 Barclays - BX - UK; Glasgow; On-site; GBP 75,000 - 110,000; Full time

Job summary

Barclays seeks a Lead Java Developer for its Private Bank & Wealth Management division in Glasgow. You will design and build scalable enterprise services, using Java 21–25, Spring Boot and microservices, while moving toward cloud-native patterns and robust security.

You will mentor peers and drive quality through code reviews and best practices. You will partner with product and design teams to deliver high-value capabilities, ensure performance, resilience, and observability, and contribute to

Qualifications

• Proven experience in large-scale Java applications and modern cloud-native designs.
• Strong knowledge of Spring Boot, REST APIs, and microservice patterns.
• Experience with containerization, CI/CD and scalable architectures.

Responsibilities

• Design and develop services connecting the estate to a market-leading financial platform.
• Adopt modern engineering practices to simplify tech stack and improve resilience.
• Lead engineering efforts, ensure code quality and secure, maintainable solutions.

Skills

Java 21–25

Spring Boot 4.x

REST APIs

Microservices

Cloud‑native

Troubleshooting

Tools

GitLab CI/CD

Maven/Gradle

Kubernetes

Docker

Job description

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, participate in code reviews, and promote 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.

Assistant Vice President Expectations

To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions/ business divisions. Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function. Set objectives and coach employees in pursuit of those objectives, appraisal of performance relative to objectives and determination of reward outcomes. 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 will lead collaborative assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will identify new directions for assignments and/ or projects, identifying a combination of cross functional methodologies or practices to meet required outcomes. 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.

Join us as a Lead Java Developer in Private Bank & Wealth Management

As part of a major transformation program, you will design and develop services connecting our complex estate to a market‑leading financial advisory platform, while adopting modern engineering practices to simplify our technology stack and improve resilience, scalability, observability, and delivery capability. You will help establish a sustainable technology foundation built on modern platforms, strong governance, and private cloud technologies. To be successful as a Lead Java Developer, you should have the following essential skills: Ample experience in Java 21–25 development, delivering scalable, high-performance enterprise applications. Validated expertise in Spring Boot 4.x, REST APIs, and Microservices, designing and implementing modern cloud‑native solutions. Ample understanding of integration patterns—API design, data transformation pipelines, and message-based architectures. Excellent troubleshooting, analytical, and problem‑solving skills, with the ability to quickly diagnose and resolve multi-faceted technical.

To be successful as a Lead Java Developer, you should have the following essential skills:

• Ample experience in Java 21–25 development, delivering scalable, high-performance enterprise applications.
• Validated expertise in Spring Boot 4.x, REST APIs, and Microservices, designing and implementing modern cloud‑native solutions.
• Ample understanding of integration patterns—API design, data transformation pipelines, and message-based architectures.
• Excellent troubleshooting, analytical, and problem‑solving skills, with the ability to quickly diagnose and resolve multi-faceted technical.

Some other highly valued skills may include:

• Experience with or a strong interest in AI-assisted programming, code generation tools, and Agentic AI — we see these as core to how we will deliver software going forward.
• Ample experience with GitLab CI/CD, Maven/Gradle, and automated testing, enabling efficient software delivery and high-quality code standards.
• Expertise in Kubernetes, Docker, and containerization, building and managing scalable, cloud‑native applications.

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 in our Glasgow office.

Our Work Experience is the combination of everything that's unique about us: our culture, our core values, our company meetings, our commitment to sustainability, our recognition programs, but most importantly, it's our people.

Our employees are self-disciplined, hard working, curious, trustworthy, humble, and truthful. They make choices according to what is best for the team, they live for opportunities to collaborate and make a difference, and they make us the #1 Top Workplace in the area.