Java Developer

Scrumconnect Consulting; Swansea; Hybrid; GBP 75,000 - 110,000; Full time

Benefits offered by this job

Flexible hybrid model

Three days on-site per week

Job summary

Scrumconnect Consulting, based in Swansea, Wales, seeks an experienced Senior Backend Developer with strong Java and Spring Boot expertise to design and build scalable backend systems for large-scale, standards-driven digital platforms in the public sector.

You will design, develop and maintain backend services, build RESTful APIs, and contribute to architectural decisions, while ensuring performance, security and CI/CD integration within a hybrid on-site model (three days on-site in Swansea).

Qualifications

• Strong hands-on experience with Java and Spring Boot.

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.

Skills

Java

Spring Boot

Microservices

REST APIs

Git

Tools

Docker

Kubernetes

Kafka

RabbitMQ

AWS

Azure

GCP

Terraform

Job description

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 Senior Backend 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

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.