Senior Java Developer

Company: F5 Consultants
Apply for the Senior Java Developer
Location: Cardiff
Job Description:

We’re looking for experienced Senior Java Engineers to join a growing team delivering complex, enterprise-scale solutions within a collaborative Agile environment.

This is an opportunity to work on meaningful, long-term programmes alongside highly skilled engineers who are passionate about quality, continuous improvement and modern software development practices.

What You’ll Be Working With:

  • Java
  • Spring Boot
  • Docker and Kubernetes
  • Domain-Driven Design (DDD)
  • CQRS and Event-Driven patterns
  • Cloud platforms (AWS, Azure or GCP)

What You’ll Be Doing:

  • Designing and developing scalable, high-performance applications.
  • Working in a true DevOps environment with a strong focus on automation and continuous delivery.
  • Writing clean, maintainable code with quality at the forefront, using TDD and engineering best practices.
  • Collaborating closely with technical teams and stakeholders to deliver innovative solutions.
  • Contributing to architecture and helping drive continuous improvement across the software delivery lifecycle.

What We’re Looking For:

  • Experience with Spring or Spring Boot
  • Knowledge of software design patterns and engineering principles
  • Experience with CI/CD and modern development practices
  • Containerisation experience with Docker and/or Kubernetes
  • Passion for producing high-quality, well-tested code
  • Knowledge of Domain-Driven Design, CQRS or Event Sourcing
  • Experience with Kubernetes
  • AWS, Azure or GCP exposure

Why Join?

  • Modern engineering environment with a strong DevOps culture.
  • Work alongside talented, collaborative teams.
  • Exposure to enterprise-scale systems and cloud technologies.
  • Strong emphasis on learning, progression and continuous improvement.
  • Long‑term programmes with genuine technical challenges.
  • Opportunity to influence architecture and engineering best practice.

This role requires attendance in Cardiff four days per month, so candidates should be based within a reasonable commuting distance.

Candidates must be eligible for Security Clearance (SC) (typically requiring five years’ continuous UK residency).

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Posted: July 9th, 2026