Senior Java Developer

Senior Java Engineer

Cardiff (4 days per month onsite)
£60,000 - £75,000 + Benefits
SC Clearance Eligibility Required
Face-to-face interviews: 6th or 7th July

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

CI/CD pipelines

Microservices architecture

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.

Building cloud-native microservices using modern engineering practices.

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

Essential:

Strong commercial Java development experience
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

Desirable:

Experience designing microservice architectures
Knowledge of Domain-Driven Design, CQRS or Event Sourcing
Experience with Kubernetes
AWS, Azure or GCP exposure
Spring certifications

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.

Important Information:

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).

Successful applicants will need to attend a face-to-face interview on either 6th or 7th July.

Interested? Apply now or get in touch to find out more.

RSG Plc is acting as an Employment Agency in relation to this vacancy.