Senior Software Developer; Full Stack

Swansea, United Kingdom | Posted on 28/05/2026

Scrumconnect Consulting is a multi‑award‑winning digital consultancy delivering technology solutions across UK government departments. We work 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.

As a Senior Software Developer (Full Stack), you will play a key role within a blended agile squad, working on large‑scale digital services in an API‑first, cloud‑native environment.

Design, build, and support secure, scalable applications using Java (Spring Boot) and React, contributing to the migration away from legacy systems while aligning with GDS Service Standards.

• Design, develop, and support full‑stack applications using Java Spring Boot and React.
• Collaborate with Product Owners, Delivery Managers, Architects, and Analysts in agile squads.
• Integrate APIs and support legacy system modernisation.
• Ensure high availability, reliability, and performance of services.
• Contribute to CI/CD pipelines, applying TDD/BDD practices.
• Implement Secure by Design principles and address OWASP Top 10 risks.
• Promote observability, monitoring, and incident management best practices.
• Mentor team members and produce clear technical documentation.

• Strong experience as a Full Stack Developer in large‑scale or public sector environments.
• Expertise in Java, Spring Boot, and building API‑first microservices.
• Proficiency in React.js and accessible UI development (WCAG 2.2).
• Experience with AWS cloud services (API Gateway, Lambda, S3, Dynamo
  
  DB).
• Solid understanding of Agile methodologies (Scrum/Kanban).
• Experience across the full digital delivery lifecycle (Discovery → Live).
• Knowledge of Dev Ops practices, Terraform, Docker/Kubernetes.
• Eligibility for SC Clearance – you need not hold clearance currently; we will support you.
• Experience with Node.js (Serverless) or Ruby on Rails.
• Exposure to legacy modernisation (mainframe, AIX, Oracle).
• Integration experience with  services (Notify, Pay, One Login).
• Familiarity with GDS Service Standard and service assessments.

• Competitive salary with annual review.
• Company pension scheme.
• Generous annual leave entitlement.
• Critical illness cover.
• Relocation support of £3,000 – £5,000.
• Visa sponsorship for eligible candidates.
• Access to learning and development resources.
• A supportive, inclusive working environment.

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.