Full Stack Developer (Java)

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 Java

Script.

• 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.