Senior Full Stack DeveloperApex Systems is looking for a qualified individual to fill an immediate opening for Senior Full Stack Developer position. Please see the job description below for details of the role.Job Duties and ResponsibilitiesWorks with product teams in an Agile environment to develop application solutions to help achieve business objectives.Creates effort level estimates for project and change requests using functional specification standard currently set by application development team.Develops unit and functional test plans, carry out unit test plans, and aid in the use of functional test plans and the verification of test results.Ensuring the availability of an application or product for end users consistent with Service Level Agreements.Provide support for Restoration of Service. This includes investigation of outage cause, business impact, and quick response for problem remediation.Monitor Applications in Production Environment through manual and automated means.Facilitate deployment of application code enhancements to the production environment.Communicate status of application production changes and outages.Ongoing maintenance, as assigned, of operational documentation for core business systems.Respond to inquiries from users for assistance in diagnosing production system operation, data, and business process support.Make ongoing recommendations for operational improvements of production applications.On-call support off business hours will be required.Additional duties and projects as required.Technical ComponentsJava on the back endReact on the front endUnix/Linux scripting toolsWrites complex queries using MySQL Oracle, SQL Server, or NoSQL.Software development experience in a professional environment.Hands-on with application design, software development and automated testing.Solid hands-on experience with Java/J2EE, XML, XPath, Web Services, REST servicesDevelopment IDE: JBoss Studio, IntelliJ, Eclipse, Sublime, Bracket.QualificationsBachelor’s degree (BA/BS) from a four-year college or university in Computer Science, Information Systems, Software Engineering, or a related disciplineAdditional 4+