Full Stack Developer (Java)

Castelan Group; Weston-super-Mare; Hybrid; GBP 45,000 - 65,000; Full time

Job summary

Castelan Group is expanding its IT development team to deliver cutting-edge digital solutions that power our business and partners. As a Full Stack Java/J2EE Developer, you will shape applications from requirements analysis and architecture through design, development, testing and deployment in end-to-end cloud-based projects.

You will build and integrate Java/J2EE applications with RESTful services, modern front-ends using React and Struts, and collaborate across teams to deliver robust

Qualifications

• A degree in Computer Science, Technical Science, or equivalent experience.
• Hands-on experience in J2EE software development projects - both front-end and back-end.
• Familiarity with testing practices (JUnit, integration, system, regression).
• Knowledge of J2EE, RESTful Web Services, and frameworks like React and Struts.
• Strong coding skills in Java, plus experience with other languages such as C++, Python, Perl, or JavaScript.
• Experience using development tools such as Git, SVN, Eclipse.

Responsibilities

• Act as a Developer, integrator, and analyst for complex assignments; collaborate with other developers on production issues.
• Participate in application walkthroughs and peer code reviews to ensure quality and standards.
• Create and maintain clear documentation.
• Apply IT software standards and help establish team-specific best practices.
• Build and maintain Java & J2EE applications to support business needs within a complex IT ecosystem.
• Follow best practices for build and deployment.
• Hands-on to deliver what is needed.

Skills

Java/J2EE

RESTful Web Services

React

Struts

Git

Docker/Kubernetes

Education

Bachelor's degree in Computer Science or equivalent

Tools

Git

SVN

Eclipse

Unix/Linux

Job description

#####Please be aware that this is a hybrid role, meaning you will be required to attend the office regularly. The office is based in Weston-super-Mare#####

Castelan is a leading furniture care, repair, and warranties organisation, trusted by independent retailers and major UK national brands. We are at an exciting stage of growth and innovation - and we would love for you to be part of IT.

We are expanding our IT development team to deliver cutting-edge digital solutions that make a real difference to our partners and customers. As a Full Stack Java / J2EE Developer, you will play a key role in shaping modern applications and system platforms that power our business. From requirements analysis and technical architecture to design, development, testing, and deployment - you will be involved in the full lifecycle of projects.

This is your opportunity to work on end-to-end cloud-based projects, build integrations with multiple systems, and contribute to solutions that keep Castelan at the forefront of technology.

Primary Responsibilities

Your day-to-day duties as will include:

• Act as a Developer, integrator, and analyst for complex and technically difficult assignments; collaborate with other developers working on production issues.


• Participate in application walkthroughs and peer code reviews to ensure quality and standards.


• Create and maintain clear documentation.


• Apply IT software standards and help establish team-specific best practices.


• Build and maintain Java & J2EE applications to support business needs within a complex IT ecosystem.


• Follow best practices for build and deployment.


• Practical and pragmatic approach - willing to get 'hands on' to deliver what is needed.

EXPERIENCE AND TECHNICAL SKILLS REQUIRED:

EXPERIENCE AND TECHNICAL SKILLS REQUIRED

• A degree in Computer Science, Technical Science, or equivalent experience.


• Hands-on experience in J2EE software development projects - both front-end and back-end.


• Familiarity with testing practices (junit, integration, system, regression).


• Knowledge of J2EE, RESTful Web Services, and frameworks like React and Struts.


• Strong coding skills in Java, plus any experience with other languages such as C++, Python, Perl, or JavaScript.


• Experience using development tools such as Git,SVN, Eclipse.


• A genuine interest in growing your technical skills and staying ahead of emerging trends.


• Innovative, resourceful, and collaborative problem‑solving abilities.

CORE COMPETENCIES

(refer to the Competency Framework for definition and level)

A standard of behavioural and technical competencies required of all job roles to help Castelan to achieve a level of excellence.

Behavioural

• Detail-oriented with strong planning skills.


• Able to switch focus quickly to respond to project demands.


• Committed to producing high-quality work within deadlines and frameworks.


• Excellent communication skills and the ability to manage and organise your own workload.


• A team player who collaborates effectively but can also work independently.


• Adaptable under pressure and proactive when priorities shift.


• Demonstrates passion and enthusiasm for technology and innovation.

Technical

• Experience or interest in container technologies such as Docker or Kubernetes.


• Knowledge of UNIX/Linux environments.


• Advanced proficiency in Build Management, Configuration & Release Management, and Design & Build Enablement.


• Comfortable working with APIs and integrating systems.


• Exposure to cloud platforms like AWS, GCP, or Azure a bonus.