Backend Developer-SC Cleared

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Develop a Business Rules Management System (BRMS) connected to a current LIVE service back-end. BRMS is the RedHat J Boss Decision Manager (version 7). They will be embedded into the project team, working with incumbent back-end developers, front-end developers, Dev-ops engineer, interaction designer, user researcher, product owner and test team.    BA researchers, designers and developers    The role will specifically involve: Back End development of the new BRMS RedHat JBoss Decision Manager applicationBack End development of integration with the new BRMS RedHat JBoss application and LIVE serviceMigration of existing rules (circa 17) hard coded using DRL (Drools Rule Language ) to the LIVE service to the newly setup BRMSKnowledge transfer to team developers and end (non technical) usersonsite at least 4 days a week for face-to-face meetings.Redhat J Boss Decision Manager (version 7)Back End development using Java 8 (specifically streams, lambdas, and collections framework) and dependency injection.Enterprise integration comprising eventually consistent (asynchronous and synchronous) systems, and distributed message-driven (JMS) architectures interfacing with Legacy and third-party systems.Experienced on enterprise messaging patterns, specifically the pub-sub channel.Building asynchronous microservices with RESTful APIs using JAX-RS.Strong Cloud experience (AWS or similar)Object-Oriented Analysis and Design, and implementing DDD-based-designs.Java persistence using an ORM/JPQL.Understanding of core properties of RDBMS including ACID properties and transaction isolation.Automated testing with JUnit and Mockito, using a test-driven approach to development, and articulate on benefits of a clean, testable codebase.Git and pull-request-based code review flowsMaven and consuming CI Pipelines using and consuming reports from static analysis tooling (eg Checkstyle, PMD, Clover, SonarQube etc.).Meeting user needs using agile methodologies.UNIX command-line familiarity.Understanding of Spring Batch.RAW visualisation toolDesigning microservice-based, eventually consistent architectures using domain driven design (DDD).CQRS and Event Sourcing patterns.Successfully delivering performing, scalable and long-transactional digital services in complex and highly regulatory environments.Working in blended, multi-discipline, multi-vendor team environments.JAX-RS for REST APIs.JMSDeveloping and working against cloud hosted environments.Hibernate and Liquibase.JIRA/ConfluenceWiremock and other distributed-systems testing utilities.Activiti or other JBPMN.Rules Engine eg Drools.