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 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.