We are looking for highly skilled Core Java developer who will work on writing clean, reusable, modular, and maintainable code that is easy to understand and easy to change. In-depth knowledge of data structures and algorithms is required. This is so that you can apply them better in day-to-day tasks, and so you know which one to choose over the other, especially when using frameworks like the collection framework. Experience and Skills Required: Mandatory 5+ years of hands-on experience in design and development of RESTful APIs and Microservices using technology stack: Java/J2EE, Spring framework, Spring Batch, AWS Elastic Kubernetes Services (EKS), RDS Oracle DB, Apigee/API Gateway. 5+ Years experience & expertise in frontend development using React JS, HTML5, CSS3 and Responsive web application development. Must have experience in Rest API integrations. Experience in API layer security (e.g., JWT, OATH2), API logging, API testing, creating REST API documentation using Swagger and YAML or similar tools desirable. Experience in TDD, writing unit test cases in JUnit. Unit Test Frameworks: Mockito (Java), Junit (Java); Nice to have exposure to End-to-end Test Frameworks: Fitnesse/Test API, Protractor; Functional Testing: Cucumber; Performance Test Tools: JMeter Proficient in SQL and Stored Procedures such as in RDS Oracle DB Experience with Unix, Linux Operating Systems preferably on AWS environment. Knowledge of Jira, Git/SVN, Jenkins, DevOps, CI/CD, Build tools - Maven, Jenkins Knowledge of Spring framework (4.x), Hibernate ORM 4.x Knowledge of Database MS SQL Server Knowledge of SQL Versioning tool flyway Apache Active MQ PDF generation libraries - iText, flying saucer, html, CSS (for pdf 1.x) UI - Understanding of Core JavaScript is needed other JavaScript frameworks can be learned and these are the frameworks and libraries. Skill sets and experience in open-source frontend frameworks such as React and Angular is highly desirable. Knowledge of Java script libraries like typescript, redux, Knowledge of rx js Knowledge of Load ash ,Gulp or webpack Java Developers need to compile detailed technical documentation and user assistance material, requiring excellent written communication. Design and development for RESTful APIs and Microservices Collaborate with software and production engineers to design scalable services, plan feature roll-out, and ensure high reliability and performance of our products. Conduct code reviews, develop high-quality documentation, and build robust test suites for your products. Design and build complex systems that can scale rapidly with little maintenance. Design and implement effective service/product interfaces. Develop complex data models using common patterns like EAV, normal forms, append only, event sourced, or graphs. Able to lead and successfully complete software projects without major guidance from a manager/lead. Provide technical support for many applications within the technology portfolio. Respond to and troubleshoot complex problems quickly, efficiently, and effectively. Handle multiple competing priorities in an agile, fast-paced environment. Should be able to work in with Scrum and other Agile processes. Communication, group dynamics, collaboration and continuous improvement are core being best practice driven. Pro-active, quick learner, ability to effectively work in multi-cultural and multi-national teams. Positive attitude and ability to engage with different stakeholders managing scope and expectations skilfully.