Senior Backend Developer (Java/Spring Boot)

Job Description

About Scrumconnect Consulting

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.

• Visa sponsorship available for eligible candidates
• 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

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• 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

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• 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
• Strong database knowledge (PostgreSQL, MySQL, MongoDB, etc.)
• 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
  
  

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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
  
  

Our interview process

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.

Equal Opportunities

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.

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