Java Fullstack Engineer

• hackajob

is collaborating with

• *Barclays**

to connect them with exceptional professionals for this role.*

Join us as a Java Fullstack Engineer, to contribute to the development of high-quality, scalable applications supporting our critical business functions. You’ll be part of a fast-paced engineering team focused on building modern, reliable, and secure solutions that enhance customer and colleague experiences.

This role will give you the opportunity to work across the full software development lifecycle, collaborate closely with product and design teams, and deliver high‑impact services that drive meaningful outcomes for the business.

To be successful as a Java Fullstack Engineer, you should have experience with:

• Proficient Java development skills, including Core Java, Collections, Multi‑Threading and Concurrency, OOP concepts, Exception Handling, JVM concepts, and the Spring ecosystem (Spring Boot, Spring Batch, Spring Integration).
• Demonstrated experience in SQL, including writing queries and understanding relational concepts.
• Practical experience in Integration, covering Microservices architecture, designing and integrating with RESTful services, and applying design patterns.
• Working knowledge of modern UI frameworks, such as Angular, React, and core web technologies (HTML, CSS, JavaScript).
• *Some Other Highly Valued Skills May Include**
• Experience with DevOps practices, including monitoring and tooling (ELK, AppDynamics), build and deployment tools, containerisation (Docker, Kubernetes), load‑balancing concepts, and working on highly scalable applications.
• Knowledge of database and messaging technologies, including SQL (joins, indexing, transactions), NoSQL (MongoDB, Cassandra, CAP theorem), query optimisation, and messaging platforms.
• Understanding of caching frameworks, including caching concepts, types, methods (priming, eviction, cache miss, consistency, staleness, MRU), and experience with messaging solutions such as Kafka or Solace.

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 Glasgow.