Full Stack Engineer: Java Spring, APIs, Scalable FinTech

Hackajob Ltd; Kettering; On-site; GBP 55,000 - 90,000; Full time

Job summary

Barclays is seeking a Full Stack Engineer to design, build, and scale cutting-edge digital platforms for customers and colleagues in Northampton. You will work across backend and frontend, leveraging Java with Spring Boot to deliver robust APIs and scalable systems.

Collaborating with product managers and designers, you will ensure secure coding practices and contribute to CI/CD pipelines using GitLab, while staying current with industry trends and best practices to drive architectural

Qualifications

• Strong Java experience with Spring framework(s).
• Experience designing and developing APIs.
• Solid database design and query optimisation.
• Hands-on CI/CD pipelines experience, particularly GitLab.
• Experience monitoring and controlling applications and services.
• Exposure to APaaS environments.
• Strong understanding of scalable system architecture.

Responsibilities

• Develop and deliver high-quality software using industry-standard languages, frameworks, and tools.
• Collaborate with product managers, designers, and engineers to define requirements and strategies.
• Participate in code reviews and promote code quality and knowledge sharing.
• Stay informed of technology trends and contribute to technical communities.
• Adhere to secure coding practices and implement unit testing.

Skills

Java (Spring)

API design

Database design

CI/CD GitLab

Monitoring & control

APaaS environments

Scalable architecture

Tools

GitLab CI/CD

Job description

Barclays is seeking a Full Stack Engineer to design, build, and scale cutting-edge digital platforms for customers and colleagues in Northampton. You will work across backend and frontend, leveraging Java with Spring Boot to deliver robust APIs and scalable systems.

Collaborating with product managers and designers, you will ensure secure coding practices and contribute to CI/CD pipelines using GitLab, while staying current with industry trends and best practices to drive architectural