Are you an experienced Java Back-End Developer looking for a new role? Do you want to be part of a forward-thinking team? Do you want to lead and mentor junior developers? If so, we have the perfect opportunity for you! Our client, an award-winning analytics company who optimise businesses productivity and performance are looking for a Senior Backend Developer to join their team on a full-time basis in West Sussex. What You'll Do Develop server-side applications & APIs using Java, Spring Boot. Optimise performance, security, and scalability. Implement secure and efficient data storage solutions. Work closely with front-end, product, and DevOps teams. Conduct code reviews & mentor junior developers. Requirements: 5 years Java development experience. Strong expertise in Spring Boot, REST APIs, SQL/NoSQL. Experience with multithreading, Docker, Kubernetes. Familiarity with OAuth, JWT, Agile workflows. Preferred: Cloud (AWS, Azure, GCP), CI/CD, Kafka. Interested? Apply now or send your CV to chinmaye.ramnath@james-chase.com and take the next step in your career? This role is hybrid working and does not offer visa sponsorship