Job Title: Java Developer Location: East Midlands Salary/Rate: £250 - £275 a day Start Date: 28/07/2025 Job Type: Contract Company Introduction: We have an exciting opportunity available with one of our leading financial services consultancy clients! They're currently looking for a skilled Java Developer to join their team on a long-term contract delivering back-end services for a high-profile banking programme. Job Responsibilities/Objectives: You will be responsible for the design, development, and deployment of scalable back-end services within a microservices-based architecture for a major financial client. You will collaborate closely with cross-functional teams to deliver high-quality software solutions that meet business and technical requirements Develop, test, and maintain Java-based applications using Java 17, Spring Boot, and RESTful APIs Design and implement microservices and integrate with asynchronous systems such as Kafka Build and manage database solutions using SQL and NoSQL technology Create and maintain API specifications using RAML/Swagger and ensure smooth integration between systems Required Skills/Experience: The ideal candidate will have the following: Strong hands-on experience with Java 17, Spring Boot, and RESTful microservices Proven knowledge of Kafka or other asynchronous messaging systems Experience working with SQL/NoSQL databases and understanding of back-end integration patterns Familiarity with API design (RAML/Swagger) and best practices in CI/CD, Git, and DevOps tools Desirable Skills/Experience: Although not essential, the following skills are desired by the client: Experience with cloud platforms such as GCP or AWS Knowledge of containerisation and orchestration tools like Docker and Kubernetes Understanding of API gateway management, event-driven architecture, and domain-driven design Exposure to DevSecOps practices and tools such as Checkmarx, SonarQube, or similar If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer: Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.