Java Developer

Scrumconnect Limited; Swansea; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

Swansea, United Kingdom – Scrumconnect Consulting seeks an experienced Java Developer to design and build scalable backend systems using Java and Spring Boot. You will work on large-scale digital platforms, with exposure to public sector standards and GDS-aligned projects, in a hybrid environment with three days onsite.

Join a multidisciplinary agile team, collaborate across frontend, DevOps, and product stakeholders, write clean, secure code, and contribute to CI/CD pipelines and system

Qualifications

• Strong hands-on experience with Java and Spring Boot.
• Solid understanding of microservices architecture.
• Experience building and consuming REST APIs.
• Familiarity with Hibernate/JPA.
• Experience with messaging systems such as Kafka or RabbitMQ.
• Exposure to cloud platforms (AWS/Azure/GCP).
• Experience with containerization tools (Docker, Kubernetes).
• Understanding of secure coding practices and performance tuning.

Responsibilities

• Design, develop, and maintain backend services using Java (8/11/17+) and Spring Boot.
• Build and manage RESTful APIs and microservices architectures.
• Collaborate with frontend, DevOps, and product stakeholders.
• Write clean, maintainable, and testable code following best practices.
• Ensure application performance, scalability, and security.
• Contribute to system design and architecture decisions.
• Implement CI/CD pipelines and participate in deployment processes.
• Conduct code reviews and mentor junior team members.

Skills

Java

Spring Boot

Microservices

REST APIs

Hibernate/JPA

Kafka/RabbitMQ

Cloud (AWS/Azure/GCP)

Docker

Kubernetes

Git & Agile

Tools

Docker

Kubernetes

AWS

Azure

GCP

Job description

Swansea, United Kingdom | Posted on 02/06/2026

Scrumconnect Consulting is a multi-award-winning digital consultancy whose work has positively influenced the lives of over 40 million UK citizens. We deliver impactful technology solutions across UK government departments, working at the forefront of user-centred design, agile delivery, and scalable digital services that genuinely make a difference.

Strong focus on work-life balance with a flexible hybrid model (3 days onsite)

Be part of a collaborative, multidisciplinary agile environment alongside civil servants and industry experts

Based in Swansea, South Wales - three days per week on-site

Role Overview

We are looking for an experienced Java Developer with strong expertise in Java and Spring Boot to design and build scalable, secure, and high-performance backend systems. The ideal candidate should have experience working on large-scale digital platforms, including exposure to public sector or standards-driven environments such as GDS-aligned projects.

Key Responsibilities

• Design, develop, and maintain backend services using Java (8/11/17+) and Spring Boot
• Build and manage RESTful APIs and microservices architectures
• Collaborate with cross-functional teams including frontend, DevOps, and product stakeholders
• Write clean, maintainable, and testable code following best practices
• Ensure application performance, scalability, and security
• Contribute to system design and architecture decisions
• Implement CI/CD pipelines and participate in deployment processes
• Conduct code reviews and mentor junior team members

Required Skills & Qualifications

• Strong hands-on experience with Java and Spring Boot
• Solid understanding of microservices architecture
• Experience building and consuming REST APIs
• Familiarity with Hibernate / JPA
• Experience with messaging systems like Kafka or RabbitMQ
• Exposure to cloud platforms such as AWS, Azure, or GCP
• Experience with containerization tools like Docker and Kubernetes
• Understanding of secure coding practices and application performance tuning
• Experience with Git and Agile methodologies

Preferred Qualifications

• Experience working in regulated or standards-driven environments (e.g., public sector digital services or GDS-aligned projects)
• Familiarity with modern DevOps practices and Infrastructure as Code (Terraform, etc.)
• Relevant certifications in Java or cloud platforms

Soft Skills

• Strong analytical and problem-solving abilities
• Good communication and collaboration skills
• Ability to work independently and in team environments
• Mentorship and leadership mindset

We keep things straightforward. Following an initial CV review, successful candidates will be invited to a short screening call with our recruitment team, followed by a two-stage process comprising a technical assessment and a values-based interview with the hiring team. We aim to move quickly and will keep you informed at every stage.

Scrumconnect Consulting is an equal opportunities employer. We are committed to building a diverse and inclusive team and welcome applications from all backgrounds, regardless of age, disability, gender, ethnicity, religion, or sexual orientation.