Senior Software Developer - Java / Spring Boot / React

About the role

We are looking for a Senior Software Developer to join a high‑performing Agile team delivering large‑scale digital transformation for a critical public sector client. The role focuses on modernising legacy platforms, building cloud‑native services and creating innovative digital experiences.

Key responsibilities

• Design, develop and support modern web applications and REST APIs using Java, Spring Boot and React.
• Deliver secure, scalable and maintainable solutions within an OpenShift environment.
• Enhance automation capabilities, case‑management solutions and digital customer journeys.
• Design and integrate APIs using service‑oriented and event‑driven architecture.
• Produce high‑quality, test‑driven code through TDD, pair programming and code reviews.
• Develop accessible, responsive user interfaces with React, Next.js, JavaScript and TypeScript.
• Create and maintain automated UI tests using Playwright.
• Support CI/CD pipelines, application monitoring, troubleshooting and production support.
• Collaborate within Agile (Kanban) teams, contributing to technical design and continuous improvement.
• Coach and mentor colleagues while promoting engineering best practices.

Required profile

• Strong commercial experience with Java 17/21, Spring Boot, Spring Security and OAuth2.
• Proven expertise in React, Next.js, JavaScript/TypeScript and modern front‑end development.
• Hands‑on experience with OpenShift, RabbitMQ, PostgreSQL, Jenkins and GitLab CI/CD.
• Demonstrated ability to design APIs, event‑driven architectures and cloud‑native applications.
• Solid understanding of DevOps, observability tools such as Grafana and Kibana, and software quality practices.
• Experience modernising legacy systems and delivering software in Agile environments.
• Excellent communication, collaboration and problem‑solving skills.

Required skills

• Java 17/21
• Spring Boot
• Spring Security
• OAuth2
• Microservices
• React
• Next.js
• JavaScript
• TypeScript
• OpenShift
• RabbitMQ
• PostgreSQL
• Jenkins
• GitLab CI/CD
• Grafana
• Kibana
• Playwright
• TDD
• CI/CD pipelines
• API design
• Event‑driven architecture

What we offer

• Rate of £450 per day (outside IR35)
• Initial 6‑month contract with possible extensions
• Mostly remote work with occasional onsite days in Edinburgh or Glasgow