Java Developer

Java Developer This role is responsible for developing and delivering complex requirements to accomplish business goals. Key responsibilities include ensuring that software is developed to meet functional, non-functional, and compliance requirements. This role ensures solutions are well designed with maintainability, ease of integration, and testing built-in from the outset. These individuals possess proficiency in development and testing practices and have experience using design and architectural patterns. Key Responsibilities Contribute to story refinement and defining requirements. Participate and guide the team in estimating work necessary to realize a story or requirement. Perform proof of concepts as necessary to mitigate risk or implement new ideas. Code solutions and unit test to deliver a requirement per the defined acceptance criteria. Utilize multiple architectural components in the design and development of client requirements. Assist the team with resolving technical complexities involved in realizing story work. Design, develop, and modify architecture components, application interfaces, and solution enablers. Design, develop, and maintain automated test suites (integration, regression, performance). Set up and develop a continuous integration and continuous delivery pipeline. Automate manual release activities. Mentor other Software Engineers and coach the team on CI/CD practices and automating the tool stack. Required Qualifications Experience in Java application development and object-oriented design principles. Hands-on experience with the Spring ecosystem, including Spring Framework, Spring Boot, Spring MVC, Spring Integration, Spring Batch, and Spring ORM. Experience designing and developing REST and SOAP web services using JSON and XML. Understanding of Service-Oriented Architecture (SOA) and microservices-based application development. Experience with cloud-based platforms and technologies. Proficiency with source control systems such as Git and Bitbucket. Experience with Maven, JUnit, Test-Driven Development (TDD), and Continuous Integration/Continuous Deployment (CI/CD) practices. Experience with NoSQL databases, preferably Cassandra. Experience with relational databases such as Oracle or SQL Server. Hands-on experience with Apache Kafka, MQ, and event-driven messaging architectures. Strong troubleshooting, analytical, and problem-solving skills. Verbal and written communication skills and ability to work in an Agile development environment. Preferred Qualifications Experience building scalable, high-volume, real-time transaction processing systems. Advanced knowledge of Cassandra data modeling and performance tuning. Deep understanding of Apache Kafka, MQ messaging frameworks, and event streaming patterns. Experience with distributed systems, cloud-native applications, and microservices architecture. Exposure to financial services, fraud detection, or high-availability enterprise platforms is a plus. Apex Systems